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LI Xiao-jun1,2;WEN Ai-jun1;LIU Zeng-ji1;SHANG Tao1;ZHAI Wan-teng1
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Abstract: The chromatic dispersion performance of the 120Gbit/s ODPASK modulation format is investigated in the single channel system. The optimal back-to-back extinction ratio is derived, so that the equivalent eye opening is obtained for the amplitude tributary and phase tributary. Then the influence of the different duty cycles on the chromatic dispersion tolerance of the two tributaries is studied. Simulation results show that the amplitude tributary mainly degrades the chromatic dispersion performance of the ODPASK transmission system, and that eye-opening penalties of the two tributaries vary inversely with the increasing duty cycle.
Key words: optical communication, octal differential phase-amplitude-shift keying(ODPASK), dispersion, chirp, phase modulation
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LI Xiao-jun1;2;WEN Ai-jun1;LIU Zeng-ji1;SHANG Tao1;ZHAI Wan-teng1. Chromatic dispersion performance analysis of ODPASK modulation format in optical communication [J].J4, 2008, 35(5): 823-829.
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URL: https://journal.xidian.edu.cn/xdxb/EN/
https://journal.xidian.edu.cn/xdxb/EN/Y2008/V35/I5/823
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