[1] ShanemanK, GrayS. Optical network security: technical analysis of fiber tapping mechanisms and methods for detection & prevention[C]∥IEEE MILCOM 2004. Military Communications Conference, 2004, October 31-November 3, 2004, Monterey, CA, USA. New York: IEEE, 2004: 711- 716.

[2] 张梓平, 刘国军, 董凯, 等. 量子密钥分发光网络密钥池构建方法[J]. 激光与光电子学进展, 2019, 56(21): 212703.

    Zhang Z P, Liu G J, Dong K, et al. Key pool construction of quantum key distribution optical network[J]. Laser & Optoelectronics Progress, 2019, 56(21): 212703.

[3] 朱秋立, 石磊, 魏家华, 等. 基于偏振滤波抑制背景光的量子密钥分配系统[J]. 光学学报, 2018, 38(12): 1227001.

    Zhu Q L, Shi L, Wei J H, et al. Quantum key distribution system based on polarization filtering for background light suppression[J]. Acta Optica Sinica, 2018, 38(12): 1227001.

[4] 龚峰, 杨鑫, 王天一. 利用光放大器改进自参考连续变量量子密钥分发[J]. 激光与光电子学进展, 2019, 56(21): 212702.

    Gong F, Yang X, Wang T Y. Improvement of self-referenced continuous variable quantum key distribution using optical amplifier[J]. Laser & Optoelectronics Progress, 2019, 56(21): 212702.

[5] Deng F G, Long G L. Secure direct communication with a quantum one-time pad[J]. Physical Review A, 2004, 69(5): 052319.

[6] Nair R, Yuen H P, Corndorf E, et al. Quantum-noise randomized ciphers[J]. Physical Review A, 2006, 74(5): 052309.

[7] Yoshida M, Hirooka T, Kasai K, et al. Single-channel 40 Gbit/s digital coherent QAM quantum noise stream cipher transmission over 480 km[J]. Optics Express, 2016, 24(1): 652-661.

[8] Nakazawa M, Yoshida M, Hirooka T, et al. QAM quantum noise stream cipher transmission over 100 km with continuous variable quantum key distribution[J]. IEEE Journal of Quantum Electronics, 2017, 53(4): 1-16.

[9] Sohma M, Hirota O. Coherent pulse position modulation quantum cipher[J]. Aip Conference Proceedings, 2014, 1633(1): 125-127.

[10] 张桂荣. 基于信息论的OCDMA系统物理层安全研究[D]. 深圳: 深圳大学, 2018: 20- 26.

    Zhang GR. The research on physical-layer security of OCDAM system based on information theory[D]. Shenzhen: Shenzhen University, 2018: 20- 26.

[11] Mihaljevi M J. Generic framework for the secure Yuen 2000 quantum-encryption protocol employing the wire-tap channel approach[J]. Physical Review A, 2007, 75(5): 052334.

[12] Tan Y T, Pu T, Zhou H, et al. Performance analysis of physical-layer security in ISK quantum-noise randomized cipher based on wiretap channel[J]. Optics Communications, 2020, 461: 125151.

[13] Jiao H S, Pu T, Xiang P, et al. Physical-layer security analysis of PSK quantum-noise randomized cipher in optically amplified links[J]. Quantum Information Processing, 2017, 16(8): 189.

[14] Jiao H S, Pu T, Zheng J L, et al. Physical-layer security analysis of a quantum-noise randomized cipher based on the wire-tap channel model[J]. Optics Express, 2017, 25(10): 10947-10960.

[15] Chen S, Xie C J, Zhang J. Adaptive quadrature-polybinary detection in super-Nyquist WDM systems[J]. Optics Express, 2015, 23(6): 7933-7939.

[16] Yang X K, Zhang J, Li Y J, et al. DFTS-OFDM based quantum noise stream cipher system[J]. Optical Fiber Technology, 2019, 52: 101939.

[17] Yang X K, Zhang J, Li Y J, et al. Single-carrier QAM/QNSC and PSK/QNSC transmission systems with bit-resolution limited DACs[J]. Optics Communications, 2019, 445: 29-35.

[18] 姜丹. 信息论与编码[M]. 3版. 北京: 中囯科学技术大学出版社, 2008: 159- 162.

    JiangD. Information theory & coding[M]. 3rd ed. Beijing: University of Science and Technology of China Press, 2008: 159- 162.