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With the increasingly congested and contested space environment, safe and effective satellite operation has become increasingly challenging. As a result, there is growing interest in autonomous satellite capabilities, with common machine…

Robotics · Computer Science 2025-03-03 Henry Lei , Joshua Aurand , Zachary S. Lippay , Sean Phillips

Future quantum technologies such as quantum communication, quantum sensing, and distributed quantum computation, will rely on networks of shared entanglement between spatially separated nodes. In this work, we provide improved…

Quantum Physics · Physics 2024-04-02 Stav Haldar , Pratik J. Barge , Sumeet Khatri , Hwang Lee

Loss and noise quickly destroy quantum entanglement. Nevertheless, recent work has shown that a quadrature-entangled light source can reap a substantial performance advantage over all classical-state sources of the same average transmitter…

Quantum Physics · Physics 2015-05-20 Saikat Guha , Jeffrey H. Shapiro

Multi-rotor UAVs suffer from a restricted range and flight duration due to limited battery capacity. Autonomous landing on a 2D moving platform offers the possibility to replenish batteries and offload data, thus increasing the utility of…

Robotics · Computer Science 2024-05-17 Pascal Goldschmid , Aamir Ahmad

Quantum networks are expected to become a key enabler for interconnecting quantum devices. In contrast to classical communication networks, however, information transfer in quantum networks is usually restricted to short distances due to…

Quantum Physics · Physics 2026-04-13 Tobias Meuser , Jannis Weil , Aninda Lahiri , Marius Paraschiv

Polarization entanglement is widely used in optical quantum information processing due to its compatibility with standard optical components. On the other hand, it is known that polarization entanglement is susceptible to the loss, more…

In typical wireless cellular systems, the handover mechanism involves reassigning an ongoing session handled by one cell into another. In order to support increased capacity requirement and to enable newer use cases, the next generation…

Information Theory · Computer Science 2020-10-20 Vijaya Yajnanarayana , Henrik Rydén , László Hévizi

We study the problem of calibrating a quantum receiver for optical coherent states when transmitted on a quantum optical channel with variable transmissivity, a common model for long-distance optical-fiber and free/deep-space optical…

Quantum Physics · Physics 2022-03-21 Matias Bilkis , Matteo Rosati , John Calsamiglia

Entanglement generation in long-distance quantum networks is a difficult process due to resource limitations and the probabilistic nature of entanglement swapping. To maximize success probability, existing quantum routing algorithms employ…

Networking and Internet Architecture · Computer Science 2025-05-15 Tasdiqul Islam , Md Arifuzzaman , Engin Arslan

A key technical requirement of any future quantum network is the ability to distribute quantum-entangled resources between two spatially separated points at a high rate and high fidelity. Entanglement distribution protocols based on…

Quantum Physics · Physics 2026-02-03 Nicholas Zaunders , Timothy C. Ralph

Space-based entanglement distribution has the potential to extend the range of quantum communication beyond that achievable through optical fibres that are constrained by exponential losses. Quantum repeaters have been proposed to mitigate…

We have devised an artificial intelligence algorithm with machine reinforcement learning (Q-learning) to construct remarkable entangled states with 4 qubits. This way, the algorithm is able to generate representative states for some of the…

Quantum Physics · Physics 2025-08-08 Sara Giordano , Miguel A. Martin-Delgado

This paper demonstrates the integration of Reinforcement Learning (RL) into quantum transpiling workflows, significantly enhancing the synthesis and routing of quantum circuits. By employing RL, we achieve near-optimal synthesis of Linear…

Quantum Physics · Physics 2025-02-27 David Kremer , Victor Villar , Hanhee Paik , Ivan Duran , Ismael Faro , Juan Cruz-Benito

We propose to integrate the electro-optic tuning function into polarization-entangled photon pair generation process in a periodically poled lithium niobate (PPLN). Due to the versatility of PPLN, both the spontaneously parametric down…

Quantum Physics · Physics 2013-07-16 Yang Ming , Ai-hong Tan , Zi-jian Wu , Zhao-xian Chen , Fei Xu , Yan-qing Lu

We explore possibilities of entangling two distant material qubits with the help of an optical radiation field in the regime of strong quantum electrodynamical coupling with almost resonant interaction. For this purpose the optimum…

Quantum Physics · Physics 2025-10-10 J. Z. Bernád , G. Alber

We propose a scheme for optical entanglement distribution in quantum networks based on a quasi-deterministic entangled photon pair source. By combining heralded photonic Bell pair generation with spectral mode conversion to interface with…

Quantum Physics · Physics 2023-06-16 Kevin C. Chen , Prajit Dhara , Mikkel Heuck , Yuan Lee , Wenhan Dai , Saikat Guha , Dirk Englund

In practical applications to free-space quantum communications, the utilization of active beam coupling and stabilization techniques offers notable advantages, particularly when dealing with limited detecting areas or coupling into…

Quantum Physics · Physics 2023-11-07 Dohoon Lim , Dongkyu Kim , Kyungdeuk Park , Dong-Gil Im , Yong Sup Ihn

Tuning cellular network performance against always occurring wireless impairments can dramatically improve reliability to end users. In this paper, we formulate cellular network performance tuning as a reinforcement learning (RL) problem…

Networking and Internet Architecture · Computer Science 2020-01-01 Faris B. Mismar , Jinseok Choi , Brian L. Evans

Scalable trapped-ion quantum computing is commonly realized with modular chips that feature distinct zones with specific functionalities, such as storage, state preparation, and gate execution. To execute a quantum circuit, the ions must be…

Modern astronomical experiments are designed to achieve multiple scientific goals, from studies of galaxy evolution to cosmic acceleration. These goals require data of many different classes of night-sky objects, each of which has a…

Instrumentation and Methods for Astrophysics · Physics 2023-12-01 Franco Terranova , M. Voetberg , Brian Nord , Amanda Pagul