Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Quality of service in aggregated quantum networks
N. Piparo, W. Munro, K. Nemoto·Jan 31, 2025
Future quantum networks will enable the interconnection of multiple users distributed across vast geographic distances. Due to these large separations and limited physical resources, communication will often rely on multi-path routing strategies, whe...
Generation and Teleportation of three and four particle W state
Seyed Amir hossein Mehrinezhad Chobari, Hossein Aghababa, Mohammadreza Kolahdouz·Jan 30, 2025
In this paper, we introduced circuits for three- and four-particle quantum systems to generate W states with any arbitrary coefficients and phases. Subsequently, each qubit was transmitted separately through a four-qubit entangled channel. Before tra...
Hierarchical generation and design of quantum codes for resource-efficient loss-tolerant quantum communications
Franceso Cesa, Tommaso Feri, A. Bassi·Jan 30, 2025
We develop novel protocols for generating loss-tolerant quantum codes; these are central for safeguarding information against qubit losses, with most crucial applications in quantum communications. Contrary to current proposals, our method enables to...
QNN-QRL: Quantum Neural Network Integrated with Quantum Reinforcement Learning for Quantum Key Distribution
B. Behera, S. Al-kuwari, Ahmed Farouk·Jan 30, 2025
Quantum key distribution (QKD) has emerged as a critical component of secure communication in the quantum era, ensuring information-theoretic security. Despite its potential, there are issues in optimizing key generation rates, enhancing security, an...
Space-Time-Coupled Qubits for Enhanced Superconducting Quantum Computing
S. Taravati·Jan 28, 2025
The pursuit of scalable and robust quantum computing necessitates innovative approaches to overcome the inherent challenges of qubit connectivity, decoherence, and susceptibility to noise and crosstalk. Conventional monochromatic qubit coupling archi...
Entanglement in Markovian hybrid classical-quantum theories of gravity
Oliviero Angeli, Matteo Carlesso·Jan 27, 2025
Markovian master equations underlie many areas of modern physics and, despite their apparent simplicity, they encode a rich and complex dynamics which is still under active research. We identify a class of continuous variable Markovian master equatio...
Rudraksh: A compact and lightweight post-quantum key-encapsulation mechanism
Suparna Kundu, Archisman Ghosh, A. Karmakar +2 more·Jan 23, 2025
Resource-constrained devices such as wireless sensors and Internet of Things (IoT) devices have become ubiquitous in our digital ecosystem. These devices generate and handle a major part of our digital data. However, due to the impending threat of qu...
Investigating Parameter-Efficiency of Hybrid QuGANs Based on Geometric Properties of Generated Sea Route Graphs
Tobias Rohe, Florian Burger, Michael Kölle +3 more·Jan 15, 2025
The demand for artificially generated data for the development, training and testing of new algorithms is omnipresent. Quantum computing (QC), does offer the hope that its inherent probabilistic functionality can be utilised in this field of generati...
A modular quantum gas platform
Tobias Hammel, Maximilian Kaiser, Daniel Dux +3 more·Jan 14, 2025
We report on the development of a modular platform for programmable quantum simulation with atomic quantum gases. The platform is centered around exchangeable optical modules with versatile functionalities. The performance of each module is disentang...
A large-scale reconfigurable multiplexed quantum photonic network
N. H. Valencia, Annameng Ma, Suraj Goel +5 more·Jan 13, 2025
The distribution of entanglement in quantum networks will enable the next generation of technologies in quantum-secured communications, distributed quantum computing and sensing. Future quantum networks will require dense connectivity, allowing multi...
Learning agent-based approach to the characterization of open quantum systems
Lorenzo Fioroni, Ivan Rojkov, Florentin Reiter·Jan 9, 2025
Characterizing quantum processes is crucial for the execution of quantum algorithms on available quantum devices. A powerful framework for this purpose is the Quantum Model Learning Agent (QMLA) which characterizes a given system by learning its Hami...
Quantum-Enhanced Conformal Methods for Multi-Output Uncertainty: A Holistic Exploration and Experimental Analysis
Emre Tasar·Jan 7, 2025
In this paper, we propose a unified approach to harness quantum conformal methods for multi-output distributions, with a particular emphasis on two experimental paradigms: (i) a standard 2-qubit circuit scenario producing a four-dimensional outcome d...
Characterizing quantum dynamics using multipartite entanglement generation
Gaurav Rudra Malik, Rohit Kumar Shukla, S. Aravinda +1 more·Jan 6, 2025
Entanglement is a defining feature of many-body quantum systems and is an essential requirement for quantum computing. It is therefore useful to study physical processes which generate entanglement within a large system, as they maybe replicated for ...
Linear Optics to Scalable Photonic Quantum Computing
D. D. K. Wayo, L. Goliatt, Darvish Ganji·Jan 5, 2025
Recent advancements in quantum photonics have driven significant progress in photonic quantum computing (PQC), addressing challenges in scalability, efficiency, and fault tolerance. Experimental efforts have focused on integrated photonic platforms u...
Decoding scrambled quantum information that was never encoded: An experimental demonstration
Yi-Te Huang, Siang Huang, Jhen-Dong Lin +5 more·Jan 4, 2025
Quantum information scrambling (QIS) describes the rapid spread of initially localized information across an entire quantum many-body system through entanglement generation. Once scrambled, the original local information becomes encoded globally, ina...
Quantum Diffusion Model for Quark and Gluon Jet Generation
Mariia Baidachna, Rey Guadarrama, Gopal Ramesh Dahale +6 more·Dec 30, 2024
Diffusion models have demonstrated remarkable success in image generation, but they are computationally intensive and time-consuming to train. In this paper, we introduce a novel diffusion model that benefits from quantum computing techniques in orde...
Continuous variable entanglement in a cold-atoms mirrorless optical parametric oscillator
G. C. Borba, R. S. N. Moreira, L. S. Cruz +3 more·Dec 24, 2024
In this work, we explore both the internal and external atomic degrees of freedom to observe quantum entanglement between the modes produced by a mirrorless optical parametric oscillator operating below the oscillation threshold in a sample of free-s...
Distributed multi-parameter quantum metrology with a superconducting quantum network
Jiajian Zhang, Lingna Wang, Yong-Ju Hai +19 more·Dec 24, 2024
Quantum metrology has emerged as a powerful tool for timekeeping, field sensing, and precision measurements in fundamental physics. With the advent of distributed quantum metrology, its capabilities have extended to probing spatially distributed para...
Entropy Density Benchmarking of Near-Term Quantum Circuits
Marine Demarty, James Mills, Kenza Hammam +1 more·Dec 23, 2024
Understanding the limitations imposed by noise on current and next-generation quantum devices is a crucial step towards demonstrating practical quantum advantage. In this work, we investigate the accumulation of entropy density as a benchmark to moni...
Pseudo Random Number Generator-Based One-Time Signature
Abel C. H. Chen·Dec 22, 2024
With the advancement of quantum computing technologies, there has been increasing focus in recent years on identifying cryptographic methods resilient to quantum attacks and developing post-quantum cryptography (PQC) techniques. Among these, hash-bas...