Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Modular quantum-to-quantum Bernoulli factory in an integrated photonic processor
Francesco Hoch, Taira Giordani, Luca Castello +9 more·Oct 3, 2024
Generation and manipulation of randomness is a relevant task for several applications of information technology. It has been shown that quantum mechanics offers some advantages for this type of task. A promising model for randomness manipulation is p...
A Survey on Testing and Analysis of Quantum Software
Matteo Paltenghi, Michael Pradel·Oct 1, 2024
Quantum computing is getting increasing interest from both academia and industry, and the quantum software landscape has been growing rapidly. The quantum software stack comprises quantum programs, implementing algorithms, and platforms like IBM Qisk...
Digital simulation of zero-temperature spontaneous symmetry breaking in a superconducting lattice processor
Chang-Kang Hu, Guixu Xie, Kasper Poulsen +11 more·Sep 26, 2024
Quantum simulators are ideal platforms to investigate quantum phenomena that are inaccessible through conventional means, such as the limited resources of classical computers to address large quantum systems or due to constraints imposed by fundament...
Code Generation and Algorithmic Problem Solving Using Llama 3.1 405B
Aniket Deroy, Subhankar Maity·Sep 26, 2024
Code generation by Llama 3.1 models, such as Meta's Llama 3.1 405B, represents a significant advancement in the field of artificial intelligence, particularly in natural language processing and programming automation. This paper explores the capabili...
Heralded optical entanglement distribution via lossy quantum channels: a comparative study.
Wan Zo, Seungbeom Chin, Yong-Su Kim·Sep 25, 2024
Quantum entanglement serves as a foundational resource for various quantum technologies. In optical systems, entanglement distribution relies on the indistinguishability and spatial overlap of photons. Heralded schemes play a crucial role in ensuring...
Post-Quantum Cryptography Anonymous Scheme - PQCWC: Post-Quantum Cryptography Winternitz-Chen
Abel C. H. Chen·Sep 20, 2024
As quantum computing technology matures, it poses a threat to the security of mainstream asymmetric cryptographic methods. In response, the National Institute of Standards and Technology released the final version of post-quantum cryptographic (PQC) ...
Ultracompact Programmable Silicon Photonics Using Layers of Low-Loss Phase-Change Material Sb2Se3 of Increasing Thickness
Sophie Blundell, Tom Radford, Idris A. Ajia +6 more·Sep 19, 2024
High-performance programmable silicon photonic circuits are considered to be a critical part of next-generation architectures for optical processing, photonic quantum circuits, and neural networks. Low-loss optical phase-change materials (PCMs) offer...
Engineering Quantum Error Correction Codes Using Evolutionary Algorithms
Mark A. Webster, Dan E. Browne·Sep 19, 2024
Quantum error correction and the use of quantum error correction codes are likely to be essential for the realization of practical quantum computing. Because the error models of quantum devices vary widely, quantum codes that are tailored for a parti...
Deterministic generation of two-dimensional multi-photon cluster states
James O’Sullivan, K. Reuer, Aleksandr Grigorev +11 more·Sep 10, 2024
Multidimensional cluster states are a key resource for robust quantum communication, measurement-based quantum computing and quantum metrology. Here, we present a device capable of emitting large-scale entangled microwave photonic states in a two dim...
Optical Gottesman-Kitaev-Preskill qubit generation via approximate squeezed coherent state superposition breeding
Andrew J. Pizzimenti, Daniel Soh·Sep 10, 2024
Gottesman-Kitaev-Preskill (GKP) qubits, known for their exceptional error-correction capabilities, are highly coveted in quantum computing. However, generating optical GKP qubits has been a significant challenge. Measurement-based methods, where a po...
Quantum Resources for Pure Thermal Shadows
Arnav Sharma, K. Obenland·Sep 9, 2024
Calculating the properties of Gibbs states is an important task in Quantum Chemistry and Quantum Machine Learning. Previous work has proposed a quantum algorithm which predicts Gibbs state expectation values for $M$ observables from only log $M$ meas...
Simulating Non-Markovian Dynamics in Multidimensional Electronic Spectroscopy via Quantum Algorithm.
Federico Gallina, Matteo Bruschi, Roberto Cacciari +1 more·Sep 9, 2024
Including the effect of the molecular environment in the numerical modeling of time-resolved electronic spectroscopy remains an important challenge in computational spectroscopy. In this contribution, we present a general approach for the simulation ...
Evaluating Post-Quantum Cryptography on Embedded Systems: A Performance Analysis
Ben Dong, Qian Wang·Sep 9, 2024
The National Institute of Standards and Technology (NIST) has finalized the selection of post-quantum cryptographic (PQC) algorithms for use in the era of quantum computing. Despite their integration into TLS protocol for key establishment and signat...
On-chip high-dimensional entangled photon sources
Tavshabad Kaur, Daniel Peace, Jacquiline Romero·Sep 5, 2024
High-dimensional quantum entanglement is an important resource for emerging quantum technologies such as quantum communication and quantum computation. The scalability of metres-long experimental setups limits high-dimensional entanglement in bulk op...
Federated Quantum-Train with Batched Parameter Generation
Chen-Yu Liu, Samuel Yen-Chi Chen·Sep 4, 2024
In this work, we introduce the Federated Quantum-Train (QT) framework, which integrates the QT model into federated learning to leverage quantum computing for distributed learning systems. Quantum client nodes employ Quantum Neural Networks (QNNs) an...
Angular Momentum Entanglement Mediated By General Relativistic Frame Dragging
Trinidad B. Lantaño, Luciano Petruzziello, Susana F. Huelga +1 more·Sep 2, 2024
Current proposals to probe the quantum nature of gravity in the low-energy regime predominantly focus on the Newtonian interaction term. In this work, we present a theoretical exploration of gravitationally mediated entanglement arising from a genuin...
On encoded quantum gate generation by iterative Lyapunov-based methods
Paulo Sergio Pereira da Silva, Pierre Rouchon·Sep 2, 2024
The problem of encoded quantum gate generation is studied in this paper. The idea is to consider a quantum system of higher dimension $n$ than the dimension $\bar n$ of the quantum gate to be synthesized. Given two orthonormal subsets $\mathbb{E} = \...
Resource state generation for a multispin register in a hybrid matter-photon quantum information processor
Yu Liu, Martin B. Plenio·Aug 30, 2024
Hybrid quantum architectures that integrate matter and photonic degrees of freedom present a promising pathway toward scalable, fault-tolerant quantum computing. This approach needs to combine well-established entangling operations between distant re...
Fast quantum interconnects via constant-rate entanglement distillation
Christopher A. Pattison, G. Baranes, J. Pablo +3 more·Aug 28, 2024
Distributed quantum computing allows the modular construction of large-scale quantum computers and enables new protocols for blind quantum computation. However, such applications in the large-scale, fault-tolerant regime place stringent demands on th...
Quantum error correction below the surface code threshold
R. Acharya, Laleh Aghababaie-Beni, I. Aleiner +246 more·Aug 24, 2024
Quantum error correction1, 2, 3–4 provides a path to reach practical quantum computing by combining multiple physical qubits into a logical qubit, in which the logical error rate is suppressed exponentially as more qubits are added. However, this exp...