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  1. Spin noise based quantum random number generators first appeared in 2008 and have since then garnered little further interest, in part because their bit rate is limited by the transverse relaxation time

    Authors: Matija Koterle, Samo Beguš, Jure Pirman, Tadej Mežnaršič, Katja Gosar, Erik Zupanič, Rok Žitko and Peter Jeglič
    Citation: EPJ Quantum Technology 2024 11:11
  2. A powerful and robust control system is a crucial, often neglected, pillar of any modern, complex physics experiment that requires the management of a multitude of different devices and their precise time sync...

    Authors: M. Volponi, S. Huck, R. Caravita, J. Zielinski, G. Kornakov, G. Kasprowicz, D. Nowicka, T. Rauschendorfer, B. Rienäcker, F. Prelz, M. Auzins, B. Bergmann, P. Burian, R. S. Brusa, A. Camper, F. Castelli…
    Citation: EPJ Quantum Technology 2024 11:10
  3. In recent years, variational quantum algorithms such as the Quantum Approximation Optimization Algorithm (QAOA) have gained popularity as they provide the hope of using NISQ devices to tackle hard combinatoria...

    Authors: Yash J. Patel, Sofiene Jerbi, Thomas Bäck and Vedran Dunjko
    Citation: EPJ Quantum Technology 2024 11:6
  4. Three-dimensional device integration facilitates the construction of superconducting quantum information processors with more than several tens of qubits by distributing elements such as control wires, qubits,...

    Authors: Graham J. Norris, Laurent Michaud, David Pahl, Michael Kerschbaum, Christopher Eichler, Jean-Claude Besse and Andreas Wallraff
    Citation: EPJ Quantum Technology 2024 11:5
  5. We propose a Rydberg atom-based receiver for amplitude-modulation (AM) reception utilizing a dual-tone microwave field. The pseudo-random binary sequence (PRBS) signal is encoded in the basic microwave field (...

    Authors: Jinpeng Yuan, Ting Jin, Yang Yan, Liantuan Xiao, Suotang Jia and Lirong Wang
    Citation: EPJ Quantum Technology 2024 11:2
  6. Decoy-state quantum key distribution (QKD) is undoubtedly the most efficient solution to handle multi-photon signals emitted by laser sources, and provides the same secret key rate scaling as ideal single-phot...

    Authors: Xoel Sixto, Guillermo Currás-Lorenzo, Kiyoshi Tamaki and Marcos Curty
    Citation: EPJ Quantum Technology 2023 10:53
  7. A satellite-constellation based global quantum network could allow secure quantum communication between remote users worldwide. Such a constellation could be formed of micro- or even nanosatellites, which have...

    Authors: Alexander V. Miller, Liubov V. Pismeniuk, Alexey V. Duplinsky, Vitaly E. Merzlinkin, Aleksandr A. Plukchi, Kseniia A. Tikhonova, Ivan S. Nesterov, Dmitry O. Sevryukov, Sergey D. Levashov, Vladimir V. Fetisov, Sergei V. Krasnopejev and Ruslan M. Bakhshaliev
    Citation: EPJ Quantum Technology 2023 10:52
  8. We investigate the response bandwidth of a superheterodyne Rydberg receiver at a room-temperature vapor cell, and present an architecture of multi-channel lasers excitation to increase the response bandwidth a...

    Authors: Jinlian Hu, Yuechun Jiao, Yunhui He, Hao Zhang, Linjie Zhang, Jianming Zhao and Suotang Jia
    Citation: EPJ Quantum Technology 2023 10:51
  9. The quantum entanglement distribution network, serviced as the communication infrastructure which distributes quantum information among remote users, enables many applications beyond the reach of classical net...

    Authors: Bang-Ying Tang, Ming Tian, Huan Chen, Hui Han, Han Zhou, Si-Chen Li, Bo Xu, Rui-Fang Dong, Bo Liu and Wan-Rong Yu
    Citation: EPJ Quantum Technology 2023 10:50
  10. Quantum random number generator (QRNG) based on the inherent randomness of fundamental quantum processes can provide provable true random numbers which play an important role in many fields. However, the secur...

    Authors: Yuan-Hao Li, Yang-Yang Fei, Wei-Long Wang, Xiang-Dong Meng, Hong Wang, Qian-Heng Duan, Yu Han and Zhi Ma
    Citation: EPJ Quantum Technology 2023 10:49
  11. Entity authentication is crucial for ensuring secure quantum communication as it helps confirm the identity of participants before transmitting any confidential information. We propose a practical entity authe...

    Authors: Hojoong Park, Byung Kwon Park, Min Ki Woo, Min-Sung Kang, Ji-Woong Choi, Ju-Sung Kang, Yongjin Yeom and Sang-Wook Han
    Citation: EPJ Quantum Technology 2023 10:48
  12. The need to pump single electrons with a high degree of accuracy and fidelity has led to the development of a range of different pump and turnstile designs. Previous pumping mechanisms have all demonstrated th...

    Authors: Mark D. Blumenthal, Declan Mahony, Salahuddeen Ahmad, Dominique Gouveia, Hume Howe, Harvey E. Beere, Thomas Mitchel, Dave A. Ritchie and Michael Pepper
    Citation: EPJ Quantum Technology 2023 10:46
  13. In practical quantum error correction implementations, the measurement of syndrome information is an unreliable step—typically modeled as a binary measurement outcome flipped with some probability. However, th...

    Authors: Nithin Raveendran, Javier Valls, Asit Kumar Pradhan, Narayanan Rengaswamy, Francisco Garcia-Herrero and Bane Vasić
    Citation: EPJ Quantum Technology 2023 10:45
  14. A large class of optimisation problems can be mapped to the Ising model where all details are encoded in the coupling of spins. The task of the original mathematical optimisation is then equivalent to finding ...

    Authors: Mojdeh S. Najafabadi, Daniel Schumayer, Chee-Kong Lee, Dieter Jaksch and David A. W. Hutchinson
    Citation: EPJ Quantum Technology 2023 10:44
  15. Measurement outcomes on quantum systems exhibit inherent randomness and are fundamentally nondeterministic. This has enabled quantum physics to set new standards for the generation of true randomness with sign...

    Authors: K. Muhammed Shafi, Prateek Chawla, Abhaya S. Hegde, R. S. Gayatri, A. Padhye and C. M. Chandrashekar
    Citation: EPJ Quantum Technology 2023 10:43
  16. Authors: Kenton M. Barnes, Anton Buyskikh, Nicholas Y. Chen, Gabriel Gallardo, Marco Ghibaudi, Matthew J. A. Ruszala, Daniel S. Underwood, Abhishek Agarwal, Deep Lall, Ivan Rungger and Nikolaos Schoinas
    Citation: EPJ Quantum Technology 2023 10:42

    The original article was published in EPJ Quantum Technology 2023 10:36

  17. High-impedance resonators are a promising contender for realizing long-distance entangling gates between spin qubits. Often, the fabrication of spin qubits relies on the use of gate dielectrics which are detri...

    Authors: J. H. Ungerer, D. Sarmah, A. Kononov, J. Ridderbos, R. Haller, L. Y. Cheung and C. Schönenberger
    Citation: EPJ Quantum Technology 2023 10:41
  18. Quantum key distribution (QKD) can provide information-theoretically secure keys for two parties of legitimate communication, and information reconciliation, as an indispensable component of QKD systems, can c...

    Authors: Shenshen Yang, Zhilei Yan, Hongzhao Yang, Qing Lu, Zhenguo Lu, Liuyong Cheng, Xiangyang Miao and Yongmin Li
    Citation: EPJ Quantum Technology 2023 10:40
  19. Measurement sensitivity is one of the critical indicators for Rydberg atomic radio receivers. This work quantitatively studies the relationship between the atomic superheterodyne receiver’s sensitivity and the...

    Authors: Peng Zhang, Mingyong Jing, Zheng Wang, Yan Peng, Shaoxin Yuan, Hao Zhang, Liantuan Xiao, Suotang Jia and Linjie Zhang
    Citation: EPJ Quantum Technology 2023 10:39
  20. A quantum channel is a physical media able to carry quantum signals. Quantum key distribution (QKD) requires direct quantum channels between every pair of prepare-and-measure modules. This requirement heavily ...

    Authors: Hans H. Brunner, Chi-Hang Fred Fung, Momtchil Peev, Rubén B. Méndez, Laura Ortiz, Juan P. Brito, Vicente Martín, José M. Rivas-Moscoso, Felipe Jiménez, Antonio A. Pastor and Diego R. López
    Citation: EPJ Quantum Technology 2023 10:38
  21. Steady progress is being made in the development of quantum computing platforms based on different types of qubit technologies. Each platform requires bespoke strategies to maximise the efficiency of the quant...

    Authors: Kenton M. Barnes, Anton Buyskikh, Nicholas Y. Chen, Gabriel Gallardo, Marco Ghibaudi, Matthew J. A. Ruszala, Daniel S. Underwood, Abhishek Agarwal, Deep Lall, Ivan Rungger and Nikolaos Schoinas
    Citation: EPJ Quantum Technology 2023 10:36

    The Correction to this article has been published in EPJ Quantum Technology 2023 10:42

  22. Quantum authentication is a fundamental first step that ensures secure quantum communication. Although various quantum authentication methods have been proposed recently, their implementation efficiency is lim...

    Authors: Na-Hee Lim, Ji-Woong Choi, Min-Sung Kang, Hyung-Jin Yang and Sang-Wook Han
    Citation: EPJ Quantum Technology 2023 10:35
  23. We explore the ground state cooling and quantum synchronization of the mechanical and low-frequency inductor-capacitor (LC) resonators in a hybrid three-mode optoelectromechanical system, in which the mechanic...

    Authors: Liang Wang, Wei Zhang, Shutian Liu, Shou Zhang and Hong-Fu Wang
    Citation: EPJ Quantum Technology 2023 10:34
  24. Quantum key distribution (QKD) can help distant agents to share unconditional secret keys, and the achievable secret key rate can be enhanced with the help of decoy-state protocol. To implement QKD experimenta...

    Authors: Jun Teng, Shuang Wang, Zhen-Qiang Yin, Wei Chen, Guan-Jie Fan-Yuan, Guang-Can Guo and Zheng-Fu Han
    Citation: EPJ Quantum Technology 2023 10:33
  25. We present an industrial end-user perspective on the current state of quantum computing hardware for one specific technological approach, the neutral atom platform. Our aim is to assist developers in understan...

    Authors: Karen Wintersperger, Florian Dommert, Thomas Ehmer, Andrey Hoursanov, Johannes Klepsch, Wolfgang Mauerer, Georg Reuber, Thomas Strohm, Ming Yin and Sebastian Luber
    Citation: EPJ Quantum Technology 2023 10:32
  26. We study lattice gauge theory with discrete, non-Abelian gauge groups. We extend the formalism of previous studies on D-Wave’s quantum annealer as a computing platform to finite, simply reducible gauge groups....

    Authors: Michael Fromm, Owe Philipsen and Christopher Winterowd
    Citation: EPJ Quantum Technology 2023 10:31
  27. The information-theoretic unconditional security offered by quantum key distribution has spurred the development of larger quantum communication networks. However, as these networks grow so does the strong nee...

    Authors: Matej Peranić, Marcus Clark, Rui Wang, Sima Bahrani, Obada Alia, Sören Wengerowsky, Anton Radman, Martin Lončarić, Mario Stipčević, John Rarity, Reza Nejabati and Siddarth Koduru Joshi
    Citation: EPJ Quantum Technology 2023 10:30
  28. A scheme for measuring microwave (MW) electric (E) fields is proposed based on bichromatic electromagnetically induced transparency (EIT) in Rydberg atoms. A bichromatic control field drives the excited state ...

    Authors: Mingzhi Han, He Hao, Xiaoyun Song, Zheng Yin, Michal Parniak, Zhengmao Jia and Yandong Peng
    Citation: EPJ Quantum Technology 2023 10:28
  29. We present a source of states for Quantum Key Distribution (QKD) based on a modular design exploiting the iPOGNAC, a stable, low-error, and calibration-free polarization modulation scheme, for both intensity a...

    Authors: Federico Berra, Costantino Agnesi, Andrea Stanco, Marco Avesani, Sebastiano Cocchi, Paolo Villoresi and Giuseppe Vallone
    Citation: EPJ Quantum Technology 2023 10:27
  30. Quantum state tomography (QST) represents an essential tool for the characterization, verification, and validation (QCVV) of quantum processors. Only for a few idealized scenarios, there are analytic results f...

    Authors: Violeta N. Ivanova-Rohling, Niklas Rohling and Guido Burkard
    Citation: EPJ Quantum Technology 2023 10:25
  31. Rydberg atom-based sensors using the atomic heterodyne technique demonstrate prominent performance on sensing sensitivity and thus have significant potential for radar, electronic reconnaissance, and communica...

    Authors: Kai Yang, Ruiqi Mao, Li He, Jiawei Yao, Jianbing Li, Zhanshan Sun and Yunqi Fu
    Citation: EPJ Quantum Technology 2023 10:23
  32. Attacks that control single-photon detectors in quantum key distribution using tailored bright illumination are capable of eavesdropping the secret key. Here we report an automated testbench that checks the de...

    Authors: Polina Acheva, Konstantin Zaitsev, Vladimir Zavodilenko, Anton Losev, Anqi Huang and Vadim Makarov
    Citation: EPJ Quantum Technology 2023 10:22
  33. Semi-quantum protocols serve as a bridge between quantum users and “classical” users with limited quantum capabilities, providing support for application scenarios that cannot afford the excessively high cost ...

    Authors: Chong-Qiang Ye, Jian Li, Xiu-Bo Chen, Yanyan Hou and Zhuo Wang
    Citation: EPJ Quantum Technology 2023 10:21
  34. Continuous-variable quantum key distribution (CV-QKD) provides a theoretical unconditionally secure solution to distribute symmetric keys among users in a communication network. However, the practical devices ...

    Authors: Daniel Pereira, Margarida Almeida, Armando N. Pinto and Nuno A. Silva
    Citation: EPJ Quantum Technology 2023 10:20
  35. A theoretical scheme is proposed to generate significant amount of photon-phonon entanglement and asymmetric steering in a cavity magnomechanical system, which is constituted by trapping a yttrium iron garnet ...

    Authors: Tian-Ang Zheng, Ye Zheng, Lei Wang and Chang-Geng Liao
    Citation: EPJ Quantum Technology 2023 10:19
  36. Semi-quantum key distribution describes a system in which a fully quantum user and classical user perform key distribution. The main advantage of key distribution is its security. Owing to the bottlenecks of e...

    Authors: Shuang Dong, Shang Mi, Qingcheng Hou, Yutao Huang, Jindong Wang, Yafei Yu, Zhengjun Wei, Zhiming Zhang and Junbin Fang
    Citation: EPJ Quantum Technology 2023 10:18
  37. Quantum steering plays a crucial role in quantum communication and one-way quantum computation. Here, we study quantum steering between two magnon modes in a cavity-magnonics system by applying a two-photon dr...

    Authors: Nan Wang, Zhi-Bo Yang, Shi-Yan Li, Ting-Ting Dong and Ai-Dong Zhu
    Citation: EPJ Quantum Technology 2023 10:15

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