{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:32:38Z","timestamp":1760149958145,"version":"build-2065373602"},"reference-count":26,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2023,10,1]],"date-time":"2023-10-01T00:00:00Z","timestamp":1696118400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2022M710401","12205011","2022QNRC001"],"award-info":[{"award-number":["2022M710401","12205011","2022QNRC001"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2022M710401","12205011","2022QNRC001"],"award-info":[{"award-number":["2022M710401","12205011","2022QNRC001"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"China Association for Science and Technology","award":["2022M710401","12205011","2022QNRC001"],"award-info":[{"award-number":["2022M710401","12205011","2022QNRC001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>Quantum communication systems are susceptible to various perturbations and drifts arising from the operational environment, with phase drift being a crucial challenge. In this paper, we propose an efficient real-time phase drift compensation scheme in which only existing data from the quantum communication process is used to establish a stable closed-loop control subsystem for phase tracking. This scheme ensures the continuous operation of transmission by tracking and compensating for phase drift in the phase-encoding quantum communication system. The experimental results demonstrate the effectiveness and feasibility of the proposed scheme with an average quantum bit error rate of 1.60% and a standard deviation of 0.0583% for 16 h of continuous operation.<\/jats:p>","DOI":"10.3390\/e25101408","type":"journal-article","created":{"date-parts":[[2023,10,1]],"date-time":"2023-10-01T16:57:06Z","timestamp":1696179426000},"page":"1408","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Practical Real-Time Phase Drift Compensation Scheme for Quantum Communication Systems"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-2924-3070","authenticated-orcid":false,"given":"Xiaotian","family":"Song","sequence":"first","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"given":"Chunsheng","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3922-1308","authenticated-orcid":false,"given":"Dong","family":"Pan","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5321-3323","authenticated-orcid":false,"given":"Min","family":"Wang","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"given":"Jianxing","family":"Guo","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"given":"Feihao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"}]},{"given":"Guilu","family":"Long","sequence":"additional","affiliation":[{"name":"Beijing Academy of Quantum Information Sciences, Beijing 100193, China"},{"name":"State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China"},{"name":"Frontier Science Center for Quantum Information, Beijing 100084, China"},{"name":"Beijing National Research Center for Information Science and Technology, Beijing 100084, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,10,1]]},"reference":[{"key":"ref_1","unstructured":"Bennett, C.H., and Brassard, G. 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