Study of “quantum + classical” wavelength division multiplexing technique in optical network

Yi QIAN; Xiangyu LIN; Dong WANG; Xiaobao HU; Jinjian CHEN; Wenhao CHEN

doi:10.11959/j.issn.1000-0801.2018258

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Study of “quantum + classical” wavelength division multiplexing technique in optical network

Topic:quantum secure communication technology and application | 更新时间：2024-06-05

- Study of “quantum + classical” wavelength division multiplexing technique in optical network
- Telecommunications Science Vol. 34, Issue 9, Pages: 48-62(2018)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2018258
  CLC： TP393
- Published Online：2018-09，
  
  Published：20 September 2018
- 稿件说明：
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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：

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.

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Keywords

references

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