Demonstration of 20Gb/s polarization-insensitive wavelength switching system for high-speed free-space optical network

Feng-chen Qian; Ya-lin Ye; Yu Wen; Tao Duan; Huan Feng

doi:10.1117/12.2197788

8 October 2015 Demonstration of 20Gb/s polarization-insensitive wavelength switching system for high-speed free-space optical network

Feng-chen Qian, Ya-lin Ye, Yu Wen, Tao Duan, Huan Feng

Author Affiliations +

Proceedings Volume 9679, AOPC 2015: Optical Fiber Sensors and Applications; 967908 (2015) https://doi.org/10.1117/12.2197788
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

A 20Gb/s polarization-insensitive all-optical wavelength switching system for high-speed free-space optical communication (FSO) network is experimentally demonstrated All-optical wavelength conversion (AOWC) is implemented using four-wave mixing (FWM) by highly-nonlinear fiber (HNLF). In the experimental setup, a simple actively mode-locked fiber ring laser (AML-FRL) with repetition frequency from 1 to 15 GHz is used to generate eight 2.5Gb/s tributary signals, which are multiplexed into one 20Gb/s optical data stream. At the receiver, the 20 Gb/s OTDM data stream is demultiplexed down to 2.5 Gb/s via a polarization-insensitive FWM scheme. The whole space communication distance is over 10 meters in building hallway. The experimental results show that this system can stably run over 24 hours at 10^-9 BER level, thus the proposed architecture can work at higher rate with wavelength-division multiplexing (WDM) and high order modulation schemes.

Citation Download Citation

Feng-chen Qian, Ya-lin Ye, Yu Wen, Tao Duan, and Huan Feng "Demonstration of 20Gb/s polarization-insensitive wavelength switching system for high-speed free-space optical network", Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 967908 (8 October 2015); https://doi.org/10.1117/12.2197788

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