Latest Articles
The Quantum Insider
Insider Brief China Telecom is elevating quantum technology to a core growth driver, reporting rapid expansion in the segment even as its absolute financial contribution remains unclear and likely small relative to the company’s overall…
Quantum Computing Report
Open Quantum Design (OQD), Western Digital (WD), and QuScript have established a collaborative "Error Correction working group" to develop a full-stack, open-source quantum computer prototype. The initiative aims to provide an end-to-end…
Quantum Computing Report
Open Quantum Design (OQD) has launched a public repository for its trapped-ion quantum computer hardware, marking a shift from open-source software into "bare metal" hardware documentation. This release includes the detailed designs for…
Quantum Computing Report
Researchers from the U.S. Department of Energy’s Quantum Science Center (QSC) and IBM have utilized a 50-qubit IBM Quantum Heron processor to simulate the quantum dynamics of KCuF3, a magnetic crystal. The study, published in a pre-print,…
Quantum Computing Report
Cleveland Clinic and IBM have reported the first simulation of a protein’s electronic structure using a quantum-centric supercomputing (QCSC) workflow. The research team modeled the 303-atom miniprotein Trp-cage using an IBM Quantum Heron…
Phys.org Quantum
For the first time, a team of physicists in Austria has carried out an experiment that appears to verify the principle of indefinite causal order: an idea that suggests that timelines of events can exist in multiple orders at the same…
Quantum Computing Report
Rigetti Computing (Nasdaq: RGTI) has committed up to $100 million to expand its operations in the United Kingdom, marking the company’s first major capital investment outside the United States. The primary objective is to deploy a quantum…
The Quantum Insider
Insider Brief PRESS RELEASE — Open Quantum Design (OQD) has announced a new open-source Error Correction Working Group with QuScript and WD (Western Digital, Nasdaq: WDC), the storage foundation of the…
Phys.org Quantum
Quantum computers, systems that process information leveraging quantum mechanical effects, could outperform classical computers on some advanced tasks. These systems rely on qubits, the fundamental units of quantum information, that become…
The Quantum Insider
Insider Brief A collaboration between IBM and academic researchers indicates that a quantum computer can reproduce experimentally measured properties of a real magnetic material, offering early evidence that today’s machines may contribute…
The Quantum Insider
Insider Brief Quantum computing is no longer a distant future technology. Governments worldwide recognize its transformative potential for cryptography, drug discovery, optimization, and artificial intelligence. Investment in quantum…
Science Magazine Quantum
Science, Volume 391, Issue 6792, Page 1310-1311, March 2026.
arXiv Quantum Physics
arXiv:2603.23595v1 Announce Type: new Abstract: Agreement theorems are no-go results about rational disagreement: if two agents start from a common prior and their posterior beliefs are common knowledge, they cannot assign different…
arXiv Quantum Physics
arXiv:2603.23598v1 Announce Type: new Abstract: Quantum reference frames provide a relational description of multipartite quantum systems in which physical states and observables are defined relative to quantum observers. Yet different…
arXiv Quantum Physics
arXiv:2603.23601v1 Announce Type: new Abstract: Given the recent interest in perspectival quantum reference frames (QRFs), we ask how quantum properties in the perspectival picture relate to their global, non-perspectival counterparts. It…
arXiv Quantum Physics
arXiv:2603.23602v1 Announce Type: new Abstract: Although quantum annealing is usually considered as a method for locating the ground states of difficult spin-glass and optimization problems, its use in approximate optimization -- finding…
arXiv Quantum Physics
arXiv:2603.23603v1 Announce Type: new Abstract: Solid-state spin defects are promising qubits for quantum network nodes. A key challenge towards larger networks is creating defects with high yield into nanophotonic devices, while…
arXiv Quantum Physics
Quantum correlations in prepare-and-measure scenarios and their semi-device-independent applications
arXiv:2603.23604v1 Announce Type: new Abstract: A key aspect in quantum information is to understand the advantage offered by quantum systems over classical ones in communication tasks. In recent years, a fundamental approach to this…
arXiv Quantum Physics
arXiv:2603.23628v1 Announce Type: new Abstract: State cloning and state transposition are fundamental transformations which, despite being desirable, cannot be perfectly implemented in quantum theory. In this work, we determine the optimal…
arXiv Quantum Physics
arXiv:2603.23636v1 Announce Type: new Abstract: Fluxonium superconducting qubits have demonstrated long coherence times and high single- and two-qubit gate fidelities, making them a favorable building block for superconducting quantum…
arXiv Quantum Physics
arXiv:2603.23641v1 Announce Type: new Abstract: We present a comprehensive and self-contained framework for the efficient classical simulation of Clifford circuits acting on $d$-dimensional qudits, including realistic Pauli/Weyl noise via…
arXiv Quantum Physics
arXiv:2603.23656v1 Announce Type: new Abstract: We establish an exact information-geometric inequality that remains valid regardless of the underlying dynamics, encompassing both Markovian and non-Markovian evolutions within the…
arXiv Quantum Physics
arXiv:2603.23718v1 Announce Type: new Abstract: Recent comparisons of quantum repeater protocols have highlighted the strong near-term potential of multiplexed two-way architectures for long-distance quantum communication. At the same…
arXiv Quantum Physics
arXiv:2603.23774v1 Announce Type: new Abstract: A quantum particle on a circle in a quadratic potential exhibits a spectrum that is not harmonic, despite having all algebraic properties of the quantum harmonic oscillator. This raises the…
arXiv Quantum Physics
arXiv:2603.23798v1 Announce Type: new Abstract: We introduce the architecture and timing algorithm to realize a time-bin-encoded quantum photonic neural network (QPNN): a reconfigurable nonlinear photonic circuit inspired by the brain and…
arXiv Quantum Physics
arXiv:2603.23804v1 Announce Type: new Abstract: Dephasing noise is a ubiquitous source of decoherence in current atomic sensors. We address the problem of entanglement-assisted frequency estimation subject to classical dephasing noise with…
arXiv Quantum Physics
arXiv:2603.23813v1 Announce Type: new Abstract: The mathematical rules used to handle systems of identical quantum particles bring into question whether the elementary constituents of matter, such as electrons, have the fundamental…
arXiv Quantum Physics
arXiv:2603.23892v1 Announce Type: new Abstract: Graph states are a key resource for measurement-based quantum computation and quantum networking, but state-preparation costs limit their practical use. Graph states related by local…
arXiv Quantum Physics
arXiv:2603.23936v1 Announce Type: new Abstract: Quantum computers, currently in the noisy intermediate-scale quantum (NISQ) era, have started to provide scientists with a novel tool to explore quantum physics and chemistry. While several…
arXiv Quantum Physics
arXiv:2603.23999v1 Announce Type: new Abstract: Nonadiabatic holonomic quantum computation (NHQC) offers intrinsic resilience to certain control imperfections. However, conventional nonadiabatic holonomic protocols are constrained by the…
arXiv Quantum Physics
arXiv:2603.24017v1 Announce Type: new Abstract: We suggest a tight inequality for norms in $d$-dimensional space $l_p $ which has simple formulation but appears hard to prove. We give a proof for $d=3$ and provide a detailed numerical…
arXiv Quantum Physics
arXiv:2603.24032v1 Announce Type: new Abstract: Exceptional points (EPs) in non-Hermitian systems give rise to enhanced sensitivity and chiral state transfer, which are important for quantum technologies. Although parameter trajectories…
arXiv Quantum Physics
arXiv:2603.24035v1 Announce Type: new Abstract: Quantum probes that enable enhanced exploration and characterization of complex systems are central to modern science, spanning applications from biology to astrophysics and chemical design.…
arXiv Quantum Physics
arXiv:2603.24067v1 Announce Type: new Abstract: We investigate the quantum evolution of the pump field in second-harmonic generation under strong pump depletion. Starting from a coherent state, the pump develops a nonclassical phase-space…
arXiv Quantum Physics
arXiv:2603.24069v1 Announce Type: new Abstract: Quantum circuits that generate coherent superpositions of stochastic processes are key to many downstream quantum-accelerated tasks, such as risk analysis, importance sampling, and DNA…
arXiv Quantum Physics
arXiv:2603.24070v1 Announce Type: new Abstract: Miniaturized quantum light sources that operate directly in optical fibers are an attractive platform for optical quantum technologies. However, most miniaturized spontaneous parametric down-…
arXiv Quantum Physics
arXiv:2603.24121v1 Announce Type: new Abstract: We investigate the entanglement dynamics of two giant atoms coupled to a common waveguide. By introducing additional phase modulation at each coupling point, every photon propagation path is…
arXiv Quantum Physics
arXiv:2603.24140v1 Announce Type: new Abstract: This paper provides a historical analysis of the IEEE CEC Single Objective Optimization competition results (2010-2024). We analyze how benchmark functions shaped winning algorithms,…
arXiv Quantum Physics
arXiv:2603.24196v1 Announce Type: new Abstract: In scientific computing, the formulation of numerical discretisations of partial differential equations (PDEs) as untrained convolutional layers within Convolutional Neural Networks (CNNs),…
arXiv Quantum Physics
arXiv:2603.24205v1 Announce Type: new Abstract: The prevalence of quantum crosstalk is an important barrier to scaling frequency-addressable qubit architectures, with dynamic crosstalk being particularly difficult to detect and suppress.…
arXiv Quantum Physics
arXiv:2603.24206v1 Announce Type: new Abstract: Hybrid quantum-classical workflows combine quantum processing units (QPUs) with classical hardware to address computational tasks that are challenging or infeasible for conventional systems…
arXiv Quantum Physics
arXiv:2603.24225v1 Announce Type: new Abstract: Coexistence of different dynamical phases is a hallmark of glassy dynamics. This is well-studied in classical systems where the underlying theoretical framework is that of large deviation…
Quantum Computing Report
By Pallavi Soni In a recent geopolitical scenario, more and more people are interested in knowing how the energy, oil, and gas sectors will look in the future and how quantum will help build better opportunities for countries to balance…
The Quantum Insider
By Matt Cimaglia Spending time in Washington this week, I was struck by how much the conversation around quantum has matured. There is growing alignment across government and industry that the technology is moving beyond research and…
Phys.org Quantum
Phonons are the quantum units of mechanical vibration. They describe how motion propagates through a solid at the smallest possible scales, in much the same way that electrons describe electric currents. Because phonons can be…
The Quantum Insider
Insider Brief PRESS RELEASE — Atom Computing today announced the signing of a Memorandum of Understanding (MOU) with Cisco to explore how neutral-atom quantum computers can be linked together through quantum networks to enable…
Quantum Computing Report
By Dr. George Schwartz Silent Waves has launched its Zephyr product, a Traveling Wave Parametric Amplifier (TWPA) that physically integrates a microwave pump coupler directly into the amplifier architecture. This structural integration…
Quantum Computing Report
Atom Computing and Cisco have signed a Memorandum of Understanding (MOU) to investigate the integration of neutral-atom quantum computers into distributed quantum computing architectures. The collaboration focuses on utilizing quantum…
The Quantum Insider
Insider Brief Google is accelerating its timeline to prepare for the risks posed by quantum computing, setting a target of 2029 for transitioning to post-quantum cryptography across its systems and urging the broader industry to move…
Quantum Computing Report
QpiAI has reported the implementation of a high-performance quantum error correction (QEC) decoder platform for its 64-qubit Kaveri superconducting quantum processor. The system utilizes a distance-5 rotated surface code (d = 5) requiring…
Quantum Computing Report
QpiAI has been awarded a contract to install its QpiAI Indus 25-qubit quantum computing system at the IIIT-Dharwad Quantum and AI Computing Center of Excellence (QAIC). This installation, which will be jointly accessed by IIIT-Raichur,…
Phys.org Quantum
Large-scale quantum computers are waiting in the wings. One of the main reasons we don't have them yet is because quantum hardware is so noisy. This isn't the type of noise you'd want to shush in a crowded theater. When it comes to…
Phys.org Quantum
A team of scientists led by the U.S. Department of Energy's (DOE) Argonne National Laboratory has identified a rare, switchable quantum property in a new type of nickel sulfide material. The discovery could have applications in high-speed…
The Quantum Insider
Guest Post In the second quarter, Brussels is expected to release the first draft for a Quantum Act, a document that should pave the way for Europe to become the leader in quantum technology. To stand a real chance against the US and…
Phys.org Quantum
An international research team led by scientists from Skoltech has developed a method to position molecules on the surface of ultrathin materials with unprecedented precision using molecular DNA self-assembly, enabling the creation of…
Phys.org Quantum
You may not be able to hear it, but all solid materials make a sound. In fact, atoms—bound in lattices of chemical bonds—are never silent nor still: Under the placid surface of each and every object in our surroundings, a low hum hovers or…
Phys.org Quantum
Gallium nitride, a semiconductor that can operate at high voltages, temperatures, and frequencies, has enabled technologies from LED lighting to high-power electronics. Now Cornell researchers have observed a quantum property of the…
Phys.org Quantum
The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, Tim Palmer at the University of Oxford…
Phys.org Quantum
Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical computers on some computational tasks. These computers rely on qubits, the basic units of quantum information, which…
Nature Quantum Information
npj Quantum Information, Published online: 23 March 2026; doi:10.1038/s41534-026-01220-3Robust photon blockade with hybrid molecular optomechanics
Phys.org Quantum
Physicists have directly visualized the fundamental electronic building blocks of flat-band quantum materials, a class of systems in which electron motion is effectively quenched and strong interactions give rise to emergent phases of…
Phys.org Quantum
In new research published in Physical Review X, scientists have designed quantum control protocols that generate processes more consistent with time flowing backward than forward. The protocols—techniques to control quantum systems—modify…
Phys.org Quantum
Over the past decades, quantum scientists have introduced various technologies that operate leveraging quantum mechanical effects, including quantum sensors, computers and memory devices. Most of these technologies leverage entanglement, a…
Phys.org Quantum
Quantum computers could solve certain problems that would take traditional classical computers an impractically long time to solve. At the Japan Advanced Institute of Science and Technology (JAIST), researchers are now working to make…
Phys.org Quantum
You're late for an important appointment. Just as you are leaving your house, you realize your phone is flat. Imagine you could charge it almost instantly by exploiting the strange rules of quantum physics. That's the promise of quantum…
Phys.org Quantum
Quantum communication systems are emerging solutions to transmit information between devices in a network leveraging quantum mechanical phenomena, such as entanglement. Entanglement is a quantum effect that entails a link between two or…
Phys.org Quantum
Australian scientists have made a significant leap forward in energy storage technology with the world's first proof-of-concept quantum battery. Similar to conventional batteries, this quantum version charges, stores and discharges…
Phys.org Quantum
A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background has been demonstrated by researchers at the University of Bristol. The team has proved their hypothesis by testing…
Phys.org Quantum
For the first time, a quantum radiation reaction in strong electromagnetic fields has been demonstrated experimentally by allowing electrons to collide with an extremely intense and powerful laser beam. The research findings provide…
Phys.org Quantum
Quantum catalysts are specialized resources that enable quantum state transformations previously thought impossible, holding promise for advancements in quantum computing and thermodynamics. A recent international study has identified the…
Phys.org Quantum
For the first time, researchers have demonstrated that the properties of the perovskite family of materials can be used to create so-called quantum bits. The findings, published in the journal Nature Communications, pave the way for more…
Phys.org Quantum
The controlled generation of single photons is an essential element of numerous quantum technology applications, such as quantum networks and quantum computing. A research team has now demonstrated the successful application of the new…
Nature Quantum Information
npj Quantum Information, Published online: 16 March 2026; doi:10.1038/s41534-025-01116-8Discovery of ST2 centers in natural and CVD diamond
Phys.org Quantum
Electrons are tiny and constantly in motion. How they behave in a crystal lattice determines key material properties: electrical conductivity, magnetism, or novel quantum effects. Anyone aiming to develop the information technologies of…
Nature Quantum Information
npj Quantum Information, Published online: 14 March 2026; doi:10.1038/s41534-026-01219-wExperimental secure multiparty computation from quantum oblivious transfer with bit commitment
Nature Quantum Information
npj Quantum Information, Published online: 14 March 2026; doi:10.1038/s41534-026-01210-5Negativity percolation in continuous-variable quantum networks
Phys.org Quantum
Fleeting electron-hole pairs are giving scientists a new window into optimizing light-emitting devices (LEDs). Using quantum magnetic resonance, Osaka Metropolitan University researchers have discovered how shifting internal electric…
Phys.org Quantum
Although the potential applications of quantum computing are widespread, a new feasibility study suggests quantum computers still face major hurdles in solving quantum chemistry problems. The study, published in Physical Review B,…
Phys.org Quantum
For the first time, researchers in China have demonstrated how quantum dots can be engineered to consistently generate pairs of entangled photons. By carefully tailoring the photonic environment surrounding a single quantum dot, the team…
Nature Quantum Information
npj Quantum Information, Published online: 13 March 2026; doi:10.1038/s41534-026-01212-3Degenerate quantum erasure decoding
Nature Quantum Information
npj Quantum Information, Published online: 13 March 2026; doi:10.1038/s41534-026-01208-zDigitized counterdiabatic quantum critical dynamics
Phys.org Quantum
Light-based quantum technologies, such as quantum communication and photonic quantum computing, require reliable sources of individual photons and, ideally, pairs of entangled photons. Semiconductor quantum dots are promising candidates…
Nature Quantum Information
npj Quantum Information, Published online: 12 March 2026; doi:10.1038/s41534-026-01216-zSuperiority of Krylov shadow tomography in estimating quantum Fisher information: from bounds to exactness
Phys.org Quantum
Spintronics—a technology that harnesses the electron's magnetic quantum states to carry information—could pave the way for a new generation of ultra-energy-efficient electronics. Yet a major challenge has been the ability to control these…
Nature Quantum Information
npj Quantum Information, Published online: 11 March 2026; doi:10.1038/s41534-026-01202-5QKAN: quantum Kolmogorov-Arnold networks with applications in machine learning and multivariate state preparation
Latest News
The Quantum Insider
Insider Brief China Telecom is elevating quantum technology to a core growth driver, reporting rapid expansion in the segment even as its absolute financial contribution remains unclear and likely small relative to the company’s overall…
The Quantum Insider
Insider Brief PRESS RELEASE — Open Quantum Design (OQD) has announced a new open-source Error Correction Working Group with QuScript and WD (Western Digital, Nasdaq: WDC), the storage foundation of the…
The Quantum Insider
Insider Brief A collaboration between IBM and academic researchers indicates that a quantum computer can reproduce experimentally measured properties of a real magnetic material, offering early evidence that today’s machines may contribute…
The Quantum Insider
Insider Brief Quantum computing is no longer a distant future technology. Governments worldwide recognize its transformative potential for cryptography, drug discovery, optimization, and artificial intelligence. Investment in quantum…
The Quantum Insider
By Matt Cimaglia Spending time in Washington this week, I was struck by how much the conversation around quantum has matured. There is growing alignment across government and industry that the technology is moving beyond research and…
The Quantum Insider
Insider Brief PRESS RELEASE — Atom Computing today announced the signing of a Memorandum of Understanding (MOU) with Cisco to explore how neutral-atom quantum computers can be linked together through quantum networks to enable…
The Quantum Insider
Insider Brief Google is accelerating its timeline to prepare for the risks posed by quantum computing, setting a target of 2029 for transitioning to post-quantum cryptography across its systems and urging the broader industry to move…
The Quantum Insider
Guest Post In the second quarter, Brussels is expected to release the first draft for a Quantum Act, a document that should pave the way for Europe to become the leader in quantum technology. To stand a real chance against the US and…
Research
Phys.org Quantum
For the first time, a team of physicists in Austria has carried out an experiment that appears to verify the principle of indefinite causal order: an idea that suggests that timelines of events can exist in multiple orders at the same…
Phys.org Quantum
Quantum computers, systems that process information leveraging quantum mechanical effects, could outperform classical computers on some advanced tasks. These systems rely on qubits, the fundamental units of quantum information, that become…
Science Magazine Quantum
Science, Volume 391, Issue 6792, Page 1310-1311, March 2026.
arXiv Quantum Physics
arXiv:2603.23595v1 Announce Type: new Abstract: Agreement theorems are no-go results about rational disagreement: if two agents start from a common prior and their posterior beliefs are common knowledge, they cannot assign different…
arXiv Quantum Physics
arXiv:2603.23598v1 Announce Type: new Abstract: Quantum reference frames provide a relational description of multipartite quantum systems in which physical states and observables are defined relative to quantum observers. Yet different…
arXiv Quantum Physics
arXiv:2603.23601v1 Announce Type: new Abstract: Given the recent interest in perspectival quantum reference frames (QRFs), we ask how quantum properties in the perspectival picture relate to their global, non-perspectival counterparts. It…
arXiv Quantum Physics
arXiv:2603.23602v1 Announce Type: new Abstract: Although quantum annealing is usually considered as a method for locating the ground states of difficult spin-glass and optimization problems, its use in approximate optimization -- finding…
arXiv Quantum Physics
arXiv:2603.23603v1 Announce Type: new Abstract: Solid-state spin defects are promising qubits for quantum network nodes. A key challenge towards larger networks is creating defects with high yield into nanophotonic devices, while…
arXiv Quantum Physics
Quantum correlations in prepare-and-measure scenarios and their semi-device-independent applications
arXiv:2603.23604v1 Announce Type: new Abstract: A key aspect in quantum information is to understand the advantage offered by quantum systems over classical ones in communication tasks. In recent years, a fundamental approach to this…
arXiv Quantum Physics
arXiv:2603.23628v1 Announce Type: new Abstract: State cloning and state transposition are fundamental transformations which, despite being desirable, cannot be perfectly implemented in quantum theory. In this work, we determine the optimal…
arXiv Quantum Physics
arXiv:2603.23636v1 Announce Type: new Abstract: Fluxonium superconducting qubits have demonstrated long coherence times and high single- and two-qubit gate fidelities, making them a favorable building block for superconducting quantum…
arXiv Quantum Physics
arXiv:2603.23641v1 Announce Type: new Abstract: We present a comprehensive and self-contained framework for the efficient classical simulation of Clifford circuits acting on $d$-dimensional qudits, including realistic Pauli/Weyl noise via…
arXiv Quantum Physics
arXiv:2603.23656v1 Announce Type: new Abstract: We establish an exact information-geometric inequality that remains valid regardless of the underlying dynamics, encompassing both Markovian and non-Markovian evolutions within the…
arXiv Quantum Physics
arXiv:2603.23718v1 Announce Type: new Abstract: Recent comparisons of quantum repeater protocols have highlighted the strong near-term potential of multiplexed two-way architectures for long-distance quantum communication. At the same…
arXiv Quantum Physics
arXiv:2603.23774v1 Announce Type: new Abstract: A quantum particle on a circle in a quadratic potential exhibits a spectrum that is not harmonic, despite having all algebraic properties of the quantum harmonic oscillator. This raises the…
arXiv Quantum Physics
arXiv:2603.23798v1 Announce Type: new Abstract: We introduce the architecture and timing algorithm to realize a time-bin-encoded quantum photonic neural network (QPNN): a reconfigurable nonlinear photonic circuit inspired by the brain and…
arXiv Quantum Physics
arXiv:2603.23804v1 Announce Type: new Abstract: Dephasing noise is a ubiquitous source of decoherence in current atomic sensors. We address the problem of entanglement-assisted frequency estimation subject to classical dephasing noise with…
arXiv Quantum Physics
arXiv:2603.23813v1 Announce Type: new Abstract: The mathematical rules used to handle systems of identical quantum particles bring into question whether the elementary constituents of matter, such as electrons, have the fundamental…
arXiv Quantum Physics
arXiv:2603.23892v1 Announce Type: new Abstract: Graph states are a key resource for measurement-based quantum computation and quantum networking, but state-preparation costs limit their practical use. Graph states related by local…
arXiv Quantum Physics
arXiv:2603.23936v1 Announce Type: new Abstract: Quantum computers, currently in the noisy intermediate-scale quantum (NISQ) era, have started to provide scientists with a novel tool to explore quantum physics and chemistry. While several…
arXiv Quantum Physics
arXiv:2603.23999v1 Announce Type: new Abstract: Nonadiabatic holonomic quantum computation (NHQC) offers intrinsic resilience to certain control imperfections. However, conventional nonadiabatic holonomic protocols are constrained by the…
arXiv Quantum Physics
arXiv:2603.24017v1 Announce Type: new Abstract: We suggest a tight inequality for norms in $d$-dimensional space $l_p $ which has simple formulation but appears hard to prove. We give a proof for $d=3$ and provide a detailed numerical…
arXiv Quantum Physics
arXiv:2603.24032v1 Announce Type: new Abstract: Exceptional points (EPs) in non-Hermitian systems give rise to enhanced sensitivity and chiral state transfer, which are important for quantum technologies. Although parameter trajectories…
arXiv Quantum Physics
arXiv:2603.24035v1 Announce Type: new Abstract: Quantum probes that enable enhanced exploration and characterization of complex systems are central to modern science, spanning applications from biology to astrophysics and chemical design.…
arXiv Quantum Physics
arXiv:2603.24067v1 Announce Type: new Abstract: We investigate the quantum evolution of the pump field in second-harmonic generation under strong pump depletion. Starting from a coherent state, the pump develops a nonclassical phase-space…
arXiv Quantum Physics
arXiv:2603.24069v1 Announce Type: new Abstract: Quantum circuits that generate coherent superpositions of stochastic processes are key to many downstream quantum-accelerated tasks, such as risk analysis, importance sampling, and DNA…
arXiv Quantum Physics
arXiv:2603.24070v1 Announce Type: new Abstract: Miniaturized quantum light sources that operate directly in optical fibers are an attractive platform for optical quantum technologies. However, most miniaturized spontaneous parametric down-…
arXiv Quantum Physics
arXiv:2603.24121v1 Announce Type: new Abstract: We investigate the entanglement dynamics of two giant atoms coupled to a common waveguide. By introducing additional phase modulation at each coupling point, every photon propagation path is…
arXiv Quantum Physics
arXiv:2603.24140v1 Announce Type: new Abstract: This paper provides a historical analysis of the IEEE CEC Single Objective Optimization competition results (2010-2024). We analyze how benchmark functions shaped winning algorithms,…
arXiv Quantum Physics
arXiv:2603.24196v1 Announce Type: new Abstract: In scientific computing, the formulation of numerical discretisations of partial differential equations (PDEs) as untrained convolutional layers within Convolutional Neural Networks (CNNs),…
arXiv Quantum Physics
arXiv:2603.24205v1 Announce Type: new Abstract: The prevalence of quantum crosstalk is an important barrier to scaling frequency-addressable qubit architectures, with dynamic crosstalk being particularly difficult to detect and suppress.…
arXiv Quantum Physics
arXiv:2603.24206v1 Announce Type: new Abstract: Hybrid quantum-classical workflows combine quantum processing units (QPUs) with classical hardware to address computational tasks that are challenging or infeasible for conventional systems…
arXiv Quantum Physics
arXiv:2603.24225v1 Announce Type: new Abstract: Coexistence of different dynamical phases is a hallmark of glassy dynamics. This is well-studied in classical systems where the underlying theoretical framework is that of large deviation…
Phys.org Quantum
Phonons are the quantum units of mechanical vibration. They describe how motion propagates through a solid at the smallest possible scales, in much the same way that electrons describe electric currents. Because phonons can be…
Phys.org Quantum
Large-scale quantum computers are waiting in the wings. One of the main reasons we don't have them yet is because quantum hardware is so noisy. This isn't the type of noise you'd want to shush in a crowded theater. When it comes to…
Phys.org Quantum
A team of scientists led by the U.S. Department of Energy's (DOE) Argonne National Laboratory has identified a rare, switchable quantum property in a new type of nickel sulfide material. The discovery could have applications in high-speed…
Phys.org Quantum
An international research team led by scientists from Skoltech has developed a method to position molecules on the surface of ultrathin materials with unprecedented precision using molecular DNA self-assembly, enabling the creation of…
Phys.org Quantum
You may not be able to hear it, but all solid materials make a sound. In fact, atoms—bound in lattices of chemical bonds—are never silent nor still: Under the placid surface of each and every object in our surroundings, a low hum hovers or…
Phys.org Quantum
Gallium nitride, a semiconductor that can operate at high voltages, temperatures, and frequencies, has enabled technologies from LED lighting to high-power electronics. Now Cornell researchers have observed a quantum property of the…
Phys.org Quantum
The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, Tim Palmer at the University of Oxford…
Phys.org Quantum
Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical computers on some computational tasks. These computers rely on qubits, the basic units of quantum information, which…
Nature Quantum Information
npj Quantum Information, Published online: 23 March 2026; doi:10.1038/s41534-026-01220-3Robust photon blockade with hybrid molecular optomechanics
Phys.org Quantum
Physicists have directly visualized the fundamental electronic building blocks of flat-band quantum materials, a class of systems in which electron motion is effectively quenched and strong interactions give rise to emergent phases of…
Phys.org Quantum
In new research published in Physical Review X, scientists have designed quantum control protocols that generate processes more consistent with time flowing backward than forward. The protocols—techniques to control quantum systems—modify…
Phys.org Quantum
Over the past decades, quantum scientists have introduced various technologies that operate leveraging quantum mechanical effects, including quantum sensors, computers and memory devices. Most of these technologies leverage entanglement, a…
Phys.org Quantum
Quantum computers could solve certain problems that would take traditional classical computers an impractically long time to solve. At the Japan Advanced Institute of Science and Technology (JAIST), researchers are now working to make…
Phys.org Quantum
You're late for an important appointment. Just as you are leaving your house, you realize your phone is flat. Imagine you could charge it almost instantly by exploiting the strange rules of quantum physics. That's the promise of quantum…
Phys.org Quantum
Quantum communication systems are emerging solutions to transmit information between devices in a network leveraging quantum mechanical phenomena, such as entanglement. Entanglement is a quantum effect that entails a link between two or…
Phys.org Quantum
Australian scientists have made a significant leap forward in energy storage technology with the world's first proof-of-concept quantum battery. Similar to conventional batteries, this quantum version charges, stores and discharges…
Phys.org Quantum
A new laser range-finding technique, inspired by quantum physics, that can measure distances under strong solar background has been demonstrated by researchers at the University of Bristol. The team has proved their hypothesis by testing…
Phys.org Quantum
For the first time, a quantum radiation reaction in strong electromagnetic fields has been demonstrated experimentally by allowing electrons to collide with an extremely intense and powerful laser beam. The research findings provide…
Phys.org Quantum
Quantum catalysts are specialized resources that enable quantum state transformations previously thought impossible, holding promise for advancements in quantum computing and thermodynamics. A recent international study has identified the…
Phys.org Quantum
For the first time, researchers have demonstrated that the properties of the perovskite family of materials can be used to create so-called quantum bits. The findings, published in the journal Nature Communications, pave the way for more…
Phys.org Quantum
The controlled generation of single photons is an essential element of numerous quantum technology applications, such as quantum networks and quantum computing. A research team has now demonstrated the successful application of the new…
Nature Quantum Information
npj Quantum Information, Published online: 16 March 2026; doi:10.1038/s41534-025-01116-8Discovery of ST2 centers in natural and CVD diamond
Phys.org Quantum
Electrons are tiny and constantly in motion. How they behave in a crystal lattice determines key material properties: electrical conductivity, magnetism, or novel quantum effects. Anyone aiming to develop the information technologies of…
Nature Quantum Information
npj Quantum Information, Published online: 14 March 2026; doi:10.1038/s41534-026-01219-wExperimental secure multiparty computation from quantum oblivious transfer with bit commitment
Nature Quantum Information
npj Quantum Information, Published online: 14 March 2026; doi:10.1038/s41534-026-01210-5Negativity percolation in continuous-variable quantum networks
Phys.org Quantum
Fleeting electron-hole pairs are giving scientists a new window into optimizing light-emitting devices (LEDs). Using quantum magnetic resonance, Osaka Metropolitan University researchers have discovered how shifting internal electric…
Phys.org Quantum
Although the potential applications of quantum computing are widespread, a new feasibility study suggests quantum computers still face major hurdles in solving quantum chemistry problems. The study, published in Physical Review B,…
Phys.org Quantum
For the first time, researchers in China have demonstrated how quantum dots can be engineered to consistently generate pairs of entangled photons. By carefully tailoring the photonic environment surrounding a single quantum dot, the team…
Nature Quantum Information
npj Quantum Information, Published online: 13 March 2026; doi:10.1038/s41534-026-01212-3Degenerate quantum erasure decoding
Nature Quantum Information
npj Quantum Information, Published online: 13 March 2026; doi:10.1038/s41534-026-01208-zDigitized counterdiabatic quantum critical dynamics
Phys.org Quantum
Light-based quantum technologies, such as quantum communication and photonic quantum computing, require reliable sources of individual photons and, ideally, pairs of entangled photons. Semiconductor quantum dots are promising candidates…
Nature Quantum Information
npj Quantum Information, Published online: 12 March 2026; doi:10.1038/s41534-026-01216-zSuperiority of Krylov shadow tomography in estimating quantum Fisher information: from bounds to exactness
Phys.org Quantum
Spintronics—a technology that harnesses the electron's magnetic quantum states to carry information—could pave the way for a new generation of ultra-energy-efficient electronics. Yet a major challenge has been the ability to control these…
Nature Quantum Information
npj Quantum Information, Published online: 11 March 2026; doi:10.1038/s41534-026-01202-5QKAN: quantum Kolmogorov-Arnold networks with applications in machine learning and multivariate state preparation
Industry
Quantum Computing Report
Open Quantum Design (OQD), Western Digital (WD), and QuScript have established a collaborative "Error Correction working group" to develop a full-stack, open-source quantum computer prototype. The initiative aims to provide an end-to-end…
Quantum Computing Report
Open Quantum Design (OQD) has launched a public repository for its trapped-ion quantum computer hardware, marking a shift from open-source software into "bare metal" hardware documentation. This release includes the detailed designs for…
Quantum Computing Report
Researchers from the U.S. Department of Energy’s Quantum Science Center (QSC) and IBM have utilized a 50-qubit IBM Quantum Heron processor to simulate the quantum dynamics of KCuF3, a magnetic crystal. The study, published in a pre-print,…
Quantum Computing Report
Cleveland Clinic and IBM have reported the first simulation of a protein’s electronic structure using a quantum-centric supercomputing (QCSC) workflow. The research team modeled the 303-atom miniprotein Trp-cage using an IBM Quantum Heron…
Quantum Computing Report
Rigetti Computing (Nasdaq: RGTI) has committed up to $100 million to expand its operations in the United Kingdom, marking the company’s first major capital investment outside the United States. The primary objective is to deploy a quantum…
Quantum Computing Report
By Pallavi Soni In a recent geopolitical scenario, more and more people are interested in knowing how the energy, oil, and gas sectors will look in the future and how quantum will help build better opportunities for countries to balance…
Quantum Computing Report
By Dr. George Schwartz Silent Waves has launched its Zephyr product, a Traveling Wave Parametric Amplifier (TWPA) that physically integrates a microwave pump coupler directly into the amplifier architecture. This structural integration…
Quantum Computing Report
Atom Computing and Cisco have signed a Memorandum of Understanding (MOU) to investigate the integration of neutral-atom quantum computers into distributed quantum computing architectures. The collaboration focuses on utilizing quantum…
Quantum Computing Report
QpiAI has reported the implementation of a high-performance quantum error correction (QEC) decoder platform for its 64-qubit Kaveri superconducting quantum processor. The system utilizes a distance-5 rotated surface code (d = 5) requiring…
Quantum Computing Report
QpiAI has been awarded a contract to install its QpiAI Indus 25-qubit quantum computing system at the IIIT-Dharwad Quantum and AI Computing Center of Excellence (QAIC). This installation, which will be jointly accessed by IIIT-Raichur,…