All-optical orthogonal frequency multiplexing scheme with cyclic postfix based on fiber Bragg gratings

Hongwei Chen; Minghua Chen; Feifei Yin; Ming Xin; Shizhong Xie

doi:10.1117/1.3156051

1 June 2009 All-optical orthogonal frequency multiplexing scheme with cyclic postfix based on fiber Bragg gratings

Hongwei Chen, Minghua Chen, Feifei Yin, Ming Xin, Shizhong Xie

Author Affiliations +

Optical Engineering, Vol. 48, Issue 6, 065002 (June 2009). https://doi.org/10.1117/1.3156051

Abstract

A novel all-optical orthogonal frequency division multiplexing (AO-OFDM) scheme is proposed and demonstrated. Ultrashort optical pulses are used as samples for optical discrete Fourier transform (DFT) and the inverse DFT process. Different subcarrier channels can be parallelly processed by fiber Bragg gratings. A 20-Gb/s two subcarrier AO-OFDM experiment is carried out with narrowband filtering and optical cyclic postfixes (CP) inserted. Experimental results show that this scheme has good spectral efficiency. Furthermore, the received signals have better eye diagrams and bit error rate performance with the help of CP. This scheme can be used in high-speed optical transmission systems.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Hongwei Chen, Minghua Chen, Feifei Yin, Ming Xin, and Shizhong Xie "All-optical orthogonal frequency multiplexing scheme with cyclic postfix based on fiber Bragg gratings," Optical Engineering 48(6), 065002 (1 June 2009). https://doi.org/10.1117/1.3156051

Published: 1 June 2009

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