All-optical amplitude-shift keying and differential phase-shift keying to differential phase amplitude-shift keying format combination in highly nonlinear fiber |
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Authors: | Lin Wu Dechao Zhang Fan Zhang Zhangyuan Chen Anshi Xu |
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Affiliation: | State Key Laboratory of Advanced Optical Communication Systems and Networks,Electronics Department, Peking University, Beijing 100871, China |
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Abstract: | We propose an all-optical modulation formats combination scheme that merges an amplitude-shift keying (ASK) signal and a differential phase-shift keying (DPSK) signal into a single differential phase amplitudeshift keying (DPASK) signal based on parametric amplification in a highly nonlinear fiber. By optimizing the power of the ASK channel, formats combination of ASK and DPSK to DPASK signal is successfully demonstrated by computational simulation. The demodulation process of the generated DPASK pulses is ... |
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