Spin-bearing molecules as optically addressable platforms for quantum technologies by Kuppusamy Senthil Kumar, Hunger David, Ruben Mario, Goldner Philippe, Serrano Diana

“…We envision that optically addressable spin-carrying molecules could become a scalable building block of quantum hardware for applications in the fields of quantum sensing, quantum communication and quantum computing.…”
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Superconducting Nanostrip Photon-Number-Resolving Detector as an Unbiased Random Number Generator by Pasquale Ercolano, Mikkel Ejrnaes, Ciro Bruscino, Syed Muhammad Junaid Bukhari, Daniela Salvoni, Chengjun Zhang, Jia Huang, Hao Li, Lixing You, Loredana Parlato, Giovanni Piero Pepe

“…Detectors capable of resolving the number of photons are essential in many applications, ranging from classic photonics to quantum optics and quantum communication. In particular, photon-number-resolving detectors based on arrays of superconducting nanostrips can offer a high detection efficiency, a low dark count rate, and a recovery time of a few nanoseconds. …”
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Design and validation of a-SiC/SiN hybrid photonic platform for integrated quantum photonics by Naresh Sharma, Zizheng Li, Bruno Lopez-Rodriguez, Joey Vrugt, Stijn van der Waal, Luozhen Li, Roald van der Kolk, Philip J Poole, Dan Dalacu, Iman Esmaeil Zadeh

“…Recent efforts in quantum photonics emphasize on-chip generation, manipulation, and detection of single photons for quantum computing and quantum communication. In quantum photonic chips, single photons are often generated using parametric down-conversion and quantum dots. …”
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Quantum key distribution implemented with d-level time-bin entangled photons by Hao Yu, Stefania Sciara, Mario Chemnitz, Nicola Montaut, Benjamin Crockett, Bennet Fischer, Robin Helsten, Benjamin Wetzel, Thorsten A. Goebel, Ria G. Krämer, Brent E. Little, Sai T. Chu, Stefan Nolte, Zhiming Wang, José Azaña, William J. Munro, David J. Moss, Roberto Morandotti

“…Abstract High-dimensional photon states (qudits) are pivotal to enhance the information capacity, noise robustness, and data rates of quantum communications. Time-bin entangled qudits are promising candidates for implementing high-dimensional quantum communications over optical fiber networks with processing rates approaching those of classical telecommunications. …”
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Non-Orthogonality of QAM and Sunflower-like Modulated Coherent-State Signals by Kentaro Kato

“…Hence, understanding the collective features of quantum states is essential for the future development of quantum communications technology. This paper investigates the non-orthogonality of different coherent-state signal constellations used in quantum communications, namely phase-shift keying (PSK), quadrature-amplitude modulation (QAM), and a newly defined signal named the sunflower-like (SUN) coherent-state signal. …”
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Loosing no time to deploy digital economy and digital transformation to spur ICT innovation——The latest ICT development trend showcased in the science and technology award of CIC i... by China InstituteofCommunications(CIC)

“…ICT Innovation, industrial development and the new information infrastructure construction, represented by 5G, artificial intelligence, and integrated space-air-ground networks will play an important role in the implementation of the national strategy of building a powerful communications network and comprehensively building a modern socialist country.Based on the current technological development in the ICT field, the China Institute of Communications summarized and sorted out the key directions of technological innovation in this field, including a new generation of mobile communications, network enabling, quantum communications, satellite internet, smart network operation and maintenance, cyberspace security, and the internet of things and the internet of vehicles, network cost reduction and efficiency enhancement, and basic technologies, etc., providing references for all walks of life to understand the technological development in the ICT field.…”
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Suppressing Polarization Mode Dispersion with the Quantum Zeno Effect by Ian Nodurft, Alejandro Rodriguez Perez, Naveed Naimipour, Harry C. Shaw

“…Polarization mode dispersion can introduce quantum decoherence in polarization encoded information, limiting the range of quantum communications protocols. Therefore, strategies to nullify the effect would reduce quantum decoherence and potentially increase the operational range of such technology. …”
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Numerical approach to compound quantum repeater scheme with coherent states by I.O. Vorontsova, R.K. Goncharov, D.V. Tupyakov, F.D. Kiselev, V.I. Egorov

“…These estimates are necessary in the context of further experimental research at the junction with other branches of quantum communications, so that to use the entanglement distribution when it comes to operating quantum teleportation and quantum key distribution protocols based on entanglement. …”
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Experimental demonstration of complete quantum information masking and generalization of quantum secret sharing by Zhi-Feng Liu, Wei-Min Shang, Jia-Min Xu, Zi-Mo Cheng, Wen-Zheng Zhu, Hao Li, Pei Wan, Shu-Tian Xue, Yan-Chao Lou, Chao Chen, Zhi-Cheng Ren, He Lu, Fu-Lin Zhang, Jing-Ling Chen, Xi-Lin Wang, Hui-Tian Wang

“…Our results open the door towards QIM-enabled quantum information processing and provide applications in quantum communications.…”
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A quantum entanglement-based algorithm for discriminating non-orthogonal qubits by Mohammed Zidan, Mohamed N. El-Qersh, Mahmoud Abdel-Aty, Montasir Qasymeh, Hichem Eleuch

“…Distinguishing unknown non-orthogonal qubits is an essential requirement for addressing various challenges in quantum computation, including quantum machine learning, quantum communications, and quantum technologies. For instance, while quantum teleportation enables the transfer of unknown individual qubits between distant parties, an algorithm is necessary to define the associated state of a teleported qubit at the receiving end. …”
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