A novel orthogonal modulation format of D8PSK/ASK with differential bi-phase encoding and its application in a label switching optical network |
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| Authors: | Zhang Xing Zhang Xiao-lei Wang Yong-jun Xin Xiang-jun Yin Xiao-li Li Ling and Zhao Ji-jun |
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| Affiliation: | State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and
Telecommnuications, Beijing 100876, China;State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and
Telecommnuications, Beijing 100876, China;State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and
Telecommnuications, Beijing 100876, China;State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and
Telecommnuications, Beijing 100876, China;State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and
Telecommnuications, Beijing 100876, China;Department of Electronic Science and Technology, Beijing Normal University, Beijing 100876, China;School of Information and Electrical Engineering, Hebei University of Engineering, Handan 056038, China |
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| Abstract: | The principle of a novel orthogonal modulation format of differential 8-level phase-shift keying amplitude-shift keying (D8PSK/ASK)
with differential bi-phase encoding (DBC) is introduced. Based on it, an optical labeling scheme, in which the payload is
100 Gbit/s D8PSK signal and the label is 10 Gbit/s DBC-ASK signal, is proposed and simulated. The results are compared with
other current schemes, and the effects of transmission range, modulation extinction ratio (ER) and received power on system
performance are analyzed, respectively. The results show that the spectrum efficiency and bit error rate (BER) are improved
greatly, and when the modulation ER is increased to 11 dB, the balanced performance between the payload and label is achieved. |
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| Keywords: | |
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