Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,548

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1,041

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Research Volume

12,910 papers in 12 months (-5% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,747 papers found

Several fitness functions and entanglement gates in quantum kernel generation

Haiyan Wang·Aug 22, 2023

Quantum machine learning (QML) represents a promising frontier in the quantum technologies. In this pursuit of quantum advantage, the quantum kernel method for support vector machine has emerged as a powerful approach. Entanglement, a fundamental con...

Computer SciencePhysics

Fault-tolerant complexes

H. Bombin, C. Dawson, Terry Farrelly +5 more·Aug 15, 2023

Fault-tolerant complexes describe surface-code fault-tolerant protocols from a single geometric object. We first introduce fusion complexes that define a general family of fusion-based quantum computing (FBQC) fault-tolerant quantum protocols based o...

Physics

Electrically-programmable frequency comb for compact quantum photonic circuits

Shakir Ullah, M. Tasgin, R. Ovali +1 more·Aug 1, 2023

Recent efforts have demonstrated the first prototypes of compact and programmable photonic quantum computers~(PQCs). Utilization of time-bin encoding in loop-like architectures enabled a programmable generation of quantum states and execution of diff...

Physics

The Impact of Quantum Memory Quality on Entanglement Assisted Communication

Stephen Diadamo, Janis Noetzel·Jul 29, 2023

This work explores entanglement-assisted communication, where quantum entanglement resources enable the transmission of classical information at an enhanced rate. We consider a scenario where entanglement is distributed ahead of time based on network...

Computer SciencePhysics

Energy preserving evolutions over Bosonic systems

Paul Gondolf, Tim Möbus, C. Rouzé·Jul 25, 2023

The exponential convergence to invariant subspaces of quantum Markov semigroups plays a crucial role in quantum information theory. One such example is in bosonic error correction schemes, where dissipation is used to drive states back to the code-sp...

Computer SciencePhysicsMathematics

Uncomputation in the Qrisp High-Level Quantum Programming Framework

Raphael Seidel, Nikolay Tcholtchev, Sebastian Bock +1 more·Jul 21, 2023

Uncomputation is an essential part of reversible computing and plays a vital role in quantum computing. Using this technique, memory resources can be safely deallocated without performing a nonreversible deletion process. For the case of quantum comp...

PhysicsComputer Science

Architectures and Circuits for Distributed Quantum Computing

Daniele Cuomo·Jul 16, 2023

This thesis treats networks providing quantum computation based on distributed paradigms. Compared to architectures relying on one processor, a network promises to be more scalable and less fault-prone. Developing a distributed system able to provide...

PhysicsComputer Science

Enhancing Dispersive Readout of Superconducting Qubits through Dynamic Control of the Dispersive Shift: Experiment and Theory

François Swiadek, R. Shillito, P. Magnard +9 more·Jul 15, 2023

The performance of a wide range of quantum computing algorithms and protocols depends critically on the fidelity and speed of the employed qubit readout. Examples include gate sequences benefiting from midcircuit real-time measurement-based feedback,...

Physics

Precise image generation on current noisy quantum computing devices

F. Rehm, S. Vallecorsa, K. Borras +3 more·Jul 11, 2023

The quantum angle generator (QAG) is a new full quantum machine learning model designed to generate accurate images on current noise intermediate scale quantum devices. Variational quantum circuits form the core of the QAG model, and various circuit ...

Physics

Quantum dots for quantum information technology

T. Heindel, Jehyung Kim, N. Gregersen +2 more·Jul 10, 2023

The generation, manipulation, storage, and detection of single photons play a central role in emerging photonic quantum information technology. Individual photons serve as flying qubits and transmit the quantum information at high speed and with low ...

Physics

Efficient Photonic Graph State Generation

Seungbeom Chin, W. J. Munro·Jun 27, 2023

Graph states are central resources for quantum information processing, supporting applications in computation, communication, and error correction. In photonic systems, they are typically assembled from smaller entangled states using probabilistic fu...

Physics

Generation of Non-Gaussian States in the Squeezed State Entanglement Scheme

E. N. Bashmakova, S. Korolev, T. Golubeva·Jun 25, 2023

The paper considers the possibility of generating different non-Gaussian states using the entangled state photon measurement scheme. In the paper, we have proposed a way to explicitly find the wave function and the Wigner function of the output state...

Physics

Hunting for Majoranas

A. Yazdani, F. von Oppen, B. Halperin +1 more·Jun 21, 2023

Over the past decade, there have been considerable efforts to observe non-abelian quasiparticles in novel quantum materials and devices. These efforts are motivated by the goals of demonstrating quantum statistics of quasiparticles beyond those of fe...

PhysicsMedicine

Nonlinear Quantum Light Generation in Collective Spontaneous Emission.

Offek Tziperman, Gefen Baranes, A. Gorlach +6 more·Jun 20, 2023

Collective spontaneous emission occurs when multiple quantum emitters decay into common radiation modes, resulting in enhanced or suppressed emission. Here, we find that the quantum state of light collectively emitted from emitters exhibiting quantum...

MedicinePhysics

Qubit entanglement generated by classical light driving an optical cavity

Seongjin Ahn, A. S. Moskalenko, V. Chernyak +1 more·Jun 17, 2023

We study the generation of entanglement between two qubits which communicate through a single cavity mode of quantum light but have no direct interaction. We show that such entanglement can be generated simply by exchanging quanta with a third party,...

Physics

Quantum computing with subwavelength atomic arrays

Freya Shah, T. Patti, Oriol Rubies-Bigorda +1 more·Jun 14, 2023

Photon-mediated interactions in subwavelength atomic arrays have numerous applications in quantum science. In this manuscript, we explore the potential of three-level quantum emitters, or ``impurities"embedded in a two-dimensional atomic array to ser...

Physics

Architecture and Protocols for All-Photonic Quantum Repeaters

Naphan Benchasattabuse, Michal Hajdušek, R. V. Meter·Jun 6, 2023

The all-photonic quantum repeater scheme, utilizing a type of graph state called the repeater graph state (RGS), promises resilience to photon losses and operational errors, offering a fast Bell pair generation rate limited only by the RGS creation t...

PhysicsComputer Science

Limitations of Noisy Quantum Devices in Computational and Entangling Power

Yuxuan Yan, Zhenyu Du, Junjie Chen +1 more·Jun 5, 2023

Finding solid and practical quantum advantages via noisy quantum devices without error correction is a critical but challenging problem. Conversely, comprehending the fundamental limitations of the state-of-the-art is equally crucial. In this work, w...

Quantum Physics

A general-purpose single-photon-based quantum computing platform

N. Maring, A. Fyrillas, M. Pont +24 more·Jun 1, 2023

Quantum computing aims at exploiting quantum phenomena to efficiently perform computations that are unfeasible even for the most powerful classical supercomputers. Among the promising technological approaches, photonic quantum computing offers the ad...

Physics

Continuous-Variable Quantum Key Distribution at 10 GBaud using an Integrated Photonic-Electronic Receiver

A. Hajomer, C. Bruynsteen, Ivan Derkach +6 more·May 31, 2023

Quantum key distribution (QKD) is a well-known application of quantum information theory that guarantees information-theoretically secure key exchange. As QKD becomes more and more commercially viable, challenges such as scalability, network integrat...

Physics
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