Demonstration of 40  Gbit/s all-optical return-to-zero to nonreturn-to-zero format conversion with wavelength conversion and dual-channel multicasting based on multiple cross-phase modulation in a highly nonlinear fiber

Zhan-Qiang Hui; Jian-Guo Zhang; Jia-Min Gong; Meng Liang; Mei-Zhi Zhang; Yi Yang; Feng-Tao He; Ji-Hong Liu

doi:10.1117/1.OE.52.5.055002

7 May 2013 Demonstration of 40 Gbit/s all-optical return-to-zero to nonreturn-to-zero format conversion with wavelength conversion and dual-channel multicasting based on multiple cross-phase modulation in a highly nonlinear fiber

Zhan-Qiang Hui, Jian-Guo Zhang, Jia-Min Gong, Meng Liang, Mei-Zhi Zhang, Yi Yang, Feng-Tao He, Ji-Hong Liu

Author Affiliations +

Optical Engineering, Vol. 52, Issue 5, 055002 (May 2013). https://doi.org/10.1117/1.OE.52.5.055002

Abstract

We propose and experimentally demonstrate all-optical return-to-zero (RZ) to nonreturn-to-zero (NRZ) format conversion by using multiple cross-phase modulation (MXPM) in a highly nonlinear fiber. The proposed all-optical format converter can perform simultaneously wavelength conversion and dual-channel signal multicasting. This is achieved by properly filtering two broadened probe spectra induced by MXPM between the RZ signal and continuous-wave double probe lights. We also study experimentally wavelength tunability for the proposed format converter at 40 Gbit/s , which is feasibly achieved by varying the central wavelengths of the double probe lights. Our results show that a wide operation wavelength range of 24 nm is obtained. By monitoring eye diagrams, the converted 40 Gbit/s NRZ signals can have an extinction ratio of 10.9 dB and the Q -factor of 6.1, respectively. Moreover, the proposed scheme is simple and robust, which is promising for high-speed optical fiber communication applications.

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Zhan-Qiang Hui, Jian-Guo Zhang, Jia-Min Gong, Meng Liang, Mei-Zhi Zhang, Yi Yang, Feng-Tao He, and Ji-Hong Liu "Demonstration of 40 Gbit/s all-optical return-to-zero to nonreturn-to-zero format conversion with wavelength conversion and dual-channel multicasting based on multiple cross-phase modulation in a highly nonlinear fiber," Optical Engineering 52(5), 055002 (7 May 2013). https://doi.org/10.1117/1.OE.52.5.055002

Published: 7 May 2013

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