量子密钥分发和经典光通信波分复用共纤传输研究

钱懿; 林翔宇; 王东; 胡小豹; 陈金剑; 陈文皓

doi:10.11959/j.issn.1000-0801.2018258

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量子密钥分发和经典光通信波分复用共纤传输研究

专题：量子保密通信技术与应用 | 更新时间：2024-06-05

- 量子密钥分发和经典光通信波分复用共纤传输研究
- Study of “quantum + classical” wavelength division multiplexing technique in optical network
- 电信科学 2018年34卷第9期页码：48-62
- 作者机构：
- 作者简介：
  
  [ "钱懿（1982−），男，博士，浙江九州量子信息技术股份有限公司高级工程师，主要研究方向为量子通信和传统光通信网络融合技术、光交换、软件定义网络、量子密钥分发协议和量子密钥分发后处理算法。" ]
  [ "林翔宇（1993−），男，浙江九州量子信息技术股份有限公司工程师，主要研究方向为光通信性能监控子系统和量子通信的光学自反馈系统。" ]
  [ "王东（1989−），男，博士，浙江九州量子信息技术股份有限公司工程师，主要研究方向为相位编码型BB84量子密钥分发系统的光学架构研究和量子密钥分发协议。" ]
  [ "胡小豹（1991−），男，浙江九州量子信息技术股份有限公司工程师，主要研究方向为非线性光纤光学、激光器。" ]
  [ "陈金剑（1993−），男，浙江九州量子信息技术股份有限公司工程师，主要研究方向为量子保密通信的密钥管理层网络技术。" ]
  [ "陈文皓（1989−），男，浙江九州量子信息技术股份有限公司工程师，主要研究方向为无源光学器件、含波分复用器件、耦合器、磁光效应器件。" ]
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2018258
  中图分类号： TP393
- 网络出版日期：2018-09，
  
  纸质出版日期：2018-09-20
- 稿件说明：
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钱懿, 林翔宇, 王东, 等. 量子密钥分发和经典光通信波分复用共纤传输研究[J]. 电信科学, 2018,34(9):48-62.

Yi QIAN, Xiangyu LIN, Dong WANG, et al. Study of “quantum + classical” wavelength division multiplexing technique in optical network[J]. Telecommunications science, 2018, 34(9): 48-62.
钱懿, 林翔宇, 王东, 等. 量子密钥分发和经典光通信波分复用共纤传输研究[J]. 电信科学, 2018,34(9):48-62. DOI： 10.11959/j.issn.1000-0801.2018258.

Yi QIAN, Xiangyu LIN, Dong WANG, et al. Study of “quantum + classical” wavelength division multiplexing technique in optical network[J]. Telecommunications science, 2018, 34(9): 48-62. DOI： 10.11959/j.issn.1000-0801.2018258.

摘要

研究了量子密钥分发和经典光通信波分复用共纤传输的技术难点和可行性。基于系统重复频率 40 MHz的诱骗态相位编码BB84协议量子密钥分发设备，提出了3种量子信号与经典光信号的波分复用共纤传输方案：单纤双向CWDM共纤传输方案，复用1 550.12 nm波长量子信号、1 310 nm波长时钟信号以及正向1 590 nm波长100 Mbit/s速率光信号和反向1 610 nm波长100 Mbit/s速率光信号，光纤传输距离70 km下密钥成码率达到1.2 kbit/s；双纤双向CWDM共纤传输方案，复用1 550.12 nm波长量子信号、1 610 nm波长时钟信号以及1个波长的同向光信号在1 310 nm波长OOK光信号速率10 Gbit/s，光纤传输距离55 km下，密钥成码率达到1.58 kbit/s；双纤双向DWDM共纤传输方案，复用1 550.12 nm波长量子信号、1 610 nm波长时钟信号以及2个同向波长各自为1 551.72 nm和1 552.52 nm，并模拟100 Gbit/s相干光通信DP-QPSK信号接收功率，光纤传输距离70 km下，密钥成码率达到1.16 kbit/s。

Abstract

The co-propagation of quantum key distribution (QKD) and classical optical communication via wavelength division multiplexing (WDM) was studied

based on 40 MHz system clock decoy BB84 QKD.In the bi-directional CWDM scheme

1.2 kbit/s key generation rate was achieved while the quantum wavelength (1 550.12 nm)

synchronization wavelength (1 310 nm)

forward direction error-free 100 Mbit/s data wavelength (1 590 nm) and backward direction error-free 100 Mbit/s data wavelength (1 610 nm) were multiplexed over 70 km fiber.In the dual-fiber unidirectional CWDM scheme

1.58 kbit/s key generation rate was achieved while the quantum wavelength (1 550.12 nm)

synchronization wavelength (1 610 nm) and forward direction error-free 10 Gbit/s data wavelength (1 310 nm) were multiplexed over 55 km fiber.In the dual-fiber unidirectional DWDM scheme

1.16 kbit/s key generation rate was achieved while the quantum wavelength (1 550.12 nm)

synchronization wavelength (1 610 nm) and two forward direction error-free 100 Gbit/s DP-QPSK data wavelength (emulated

1 551.72 nm and 1 552.52 nm) were multiplexed over 70 km fiber.

关键词

Keywords

references

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