Recent Advances in Silicon Photonics for Quantum Key Distribution

Zhang Heqian; Hua Xin; Wang Ziji; Han Yanxin; Yan Xu; Chen Daigao; Xiao Xi; Wei Kejin

doi:10.13756/j.gtxyj.2025.250150

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Recent Advances in Silicon Photonics for Quantum Key Distribution

更新时间：2025-06-18

- Recent Advances in Silicon Photonics for Quantum Key Distribution
- Study on Optical Communications Issue 3, (2025)
- 作者机构：
  
  1.广西大学物理科学与技术学院　相对论天体物理实验室，南宁　 530004
  2.国家信息光电子创新中心，武汉　 430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2025.250150
  CLC： TN918
- Received：20 April 2025，
  
  Revised：07 May 2025，
  
  Published：10 June 2025
- 稿件说明：
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张鹤千，华昕，王子骥，等. 基于硅基光子学的量子密钥分发研究进展[J]. 光通信研究，2025(3): 250150.

Zhang H Q, Hua X, Wang Z J, et al. Recent Advances in Silicon Photonics for Quantum Key Distribution[J]. Study on Optical Communications, 2025(3): 250150.
张鹤千，华昕，王子骥，等. 基于硅基光子学的量子密钥分发研究进展[J]. 光通信研究，2025(3): 250150. DOI： 10.13756/j.gtxyj.2025.250150.

Zhang H Q, Hua X, Wang Z J, et al. Recent Advances in Silicon Photonics for Quantum Key Distribution[J]. Study on Optical Communications, 2025(3): 250150. DOI： 10.13756/j.gtxyj.2025.250150.

摘要

量子密钥分发（QKD）作为基于量子力学原理的安全通信技术，其系统集成化是实现实用化的关键。集成光量子技术凭借其稳定、紧凑的器件制造优势以及高效操控光量子态的生成、传输与探测的能力，为QKD系统的大规模部署和商用化推广提供了突破性解决方案。当前多种集成平台各具特色，其中硅基光子学凭借其互补金属氧化物半导体（CMOS）工艺兼容性、高集成度等显著优势，已成为推动QKD系统芯片化发展的主要方向之一。文章重点关注硅基光子学平台，梳理了QKD系统演示方案的最新研究进展。

Abstract

As a secure communication technology grounded in the principles of quantum mechanics

Quantum Key Distribution (QKD) holds great promise for future information security. However

the practical deployment of QKD hinges critically on system integration. Integrated optical quantum technologies offer a compact

stable

and scalable solution by enabling precise control over the generation

transmission

and detection of quantum states of light. Among the diverse photonic integration platforms

silicon photonics is particularly notable for its compatibility with Complementary Metal-Oxide-Semiconductor (CMOS) processes

its high integration density

and its potential for large-scale production. These features make silicon photonics a leading candidate for advancing QKD systems toward chip-scale realization. This review focuses on recent progress in QKD system demonstrations based on silicon photonics

highlighting the key technological milestones and integration strategies that are driving the transition from laboratory prototypes to real-world applications.

关键词

Keywords

references

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