{"title":"The performance of satellite-based mode-pairing quantum key distribution","authors":"Chen Yang, Lu Wang, Rongzhen Jiao","doi":"10.1007/s11128-025-04706-9","DOIUrl":null,"url":null,"abstract":"<div><p>The establishment of the global quantum communication network relies on the effective integration of free-space links and optical fiber networks. Mode-pairing quantum key distribution (MP-QKD) represents an advancement in measurement device-independent quantum key distribution (MDI-QKD). By eliminating the need for a complex light-field setup, it breaks the rate–distance limit and can be theoretically applied to the light-field setup of free-space MDI-QKD. In this work, we propose a mode-pairing quantum key distribution model that integrates satellite-based links and fiber links, and its performance is analyzed by simulating the probability distribution of atmospheric transmittance (PDT) between satellites and ground stations. Additionally, the effects of pairing interval and misalignment error are discussed. This work may provide some important references for the future widespread application of satellite-to-ground multipath quantum key distribution.</p></div>","PeriodicalId":746,"journal":{"name":"Quantum Information Processing","volume":"24 3","pages":""},"PeriodicalIF":2.2000,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Quantum Information Processing","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s11128-025-04706-9","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PHYSICS, MATHEMATICAL","Score":null,"Total":0}
引用次数: 0
Abstract
The establishment of the global quantum communication network relies on the effective integration of free-space links and optical fiber networks. Mode-pairing quantum key distribution (MP-QKD) represents an advancement in measurement device-independent quantum key distribution (MDI-QKD). By eliminating the need for a complex light-field setup, it breaks the rate–distance limit and can be theoretically applied to the light-field setup of free-space MDI-QKD. In this work, we propose a mode-pairing quantum key distribution model that integrates satellite-based links and fiber links, and its performance is analyzed by simulating the probability distribution of atmospheric transmittance (PDT) between satellites and ground stations. Additionally, the effects of pairing interval and misalignment error are discussed. This work may provide some important references for the future widespread application of satellite-to-ground multipath quantum key distribution.
期刊介绍：
Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.
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