2011•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Optical CPFSK with an arbitrary modulation index

Ning Zou, Caihong Yang, Wei Li, Benxiong Huang, Zhengguang Xu, Shuhua Xu

Abstract

This paper proposes an optical continuous-phase frequency shift keying (CPFSK) modulation scheme with an arbitrary modulation index. Simulations on the performances of CPFSK and differential phase shift keying (DPSK) show that CPFSK of modulation index is 2/3 performs best on receiver sensitivity, dispersion penalty and nonlinearity in the balanced receiving system of 40G.

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Available abstract

Key concepts: Modulation index, Frequency-shift keying, Modulation (music), Continuous phase modulation, Keying, Phase modulation, Phase-shift keying, Dispersion (optics)