Long Distance IM/DD Transmission with OFDM-QAM based Quantum Noise Stream Cipher

被引：1
|
作者：
Mao, Wenyan [1 ]
Gao, Guanjun [1 ]
Xu, Cheng [1 ]
Liu, Haidan [1 ]
Shen, Yifan [1 ]
Zhang, Jie [1 ]
Guo, Yonggang [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Chinese Acad Sci, State Key Lab Acoust, Beijing 100190, Peoples R China
来源：
2019 18TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2019年
关键词：
intensity modulation/direct detection (IM/DD); orthogonal frequency division multiplexing (OFDM); quantum noise stream cipher (QNSC); ENCRYPTION;
D O I：
10.1109/icocn.2019.8934191
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We propose a QAM-based quantum noise stream cipher (QNSC) scheme for IM/DD transmission employing orthogonal frequency division multiplexing (OFDM) modulation. Secure transmission of 2.5Gbit/s IMDD-OFDM signal is demonstrated over 1000 km distance. The experimental results show that Q penalty using IMDD-OFDM based QNSC is only 1.6 dB compared to QPSK without encryption in the cases of back-to-back condition and 1000km transmission.
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页数：3
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