All-fiber spectral compression and pedestal suppression in a two-stage structure employing a high nonlinear fiber interconnected with a high nonlinear fiber-nonlinear optical loop mirror

Ying Chen; Fan Yang; Zhiyao Zhang; Xiaojun Zhou; Xiangning Chen; Yong Liu

doi:10.1117/1.OE.53.8.086111

22 August 2014 All-fiber spectral compression and pedestal suppression in a two-stage structure employing a high nonlinear fiber interconnected with a high nonlinear fiber-nonlinear optical loop mirror

Ying Chen, Fan Yang, Zhiyao Zhang, Xiaojun Zhou, Xiangning Chen, Yong Liu

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Optical Engineering, Vol. 53, Issue 8, 086111 (August 2014). https://doi.org/10.1117/1.OE.53.8.086111

Abstract

An innovative all-fiber low-pedestal spectral compression scheme based on a two-stage structure employing a high nonlinear fiber (HNLF) connected with a nonlinear optical loop mirror (NOLM) is proposed and demonstrated. Both numerical and experimental results showed that the spectral pedestal and side-lobe component after spectral compression in the HNLF can be efficiently suppressed by the NOLM, simultaneously improving the spectral compression ratio. The measured spectral compression ratio increases by a factor of 2 from 3.39 to 6.91 and the side-lobe level is reduced from –7.47 to –9.36 dB. The spectral pedestal ratio is 15.7% using the proposed scheme, which is nearly one-third of that using the conventional feedthrough HNLF alternative.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Ying Chen, Fan Yang, Zhiyao Zhang, Xiaojun Zhou, Xiangning Chen, and Yong Liu "All-fiber spectral compression and pedestal suppression in a two-stage structure employing a high nonlinear fiber interconnected with a high nonlinear fiber-nonlinear optical loop mirror," Optical Engineering 53(8), 086111 (22 August 2014). https://doi.org/10.1117/1.OE.53.8.086111

Published: 22 August 2014

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