Nonlinear optical loop mirror based on a highly nonlinear photonic crystal fiber for pulse compression with pedestal suppression

Yongzhao Xu; Xuepeng Song; Xia Zhang; Yongqing Huang; Xiaomin Ren

doi:10.1117/12.634206

5 December 2005 Nonlinear optical loop mirror based on a highly nonlinear photonic crystal fiber for pulse compression with pedestal suppression

Yongzhao Xu, Xuepeng Song, Xia Zhang, Yongqing Huang, Xiaomin Ren

Author Affiliations +

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601940 (2005) https://doi.org/10.1117/12.634206
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

A highly nonlinear photonic crystal fiber (PCF) is proposed to construct a nonlinear optical loop mirror (NOLM) for pulse compression and shaping. The proposed highly nonlinear PCF is a large air-filling fraction holey fiber with a small fiber core. The characteristics of the fiber have been studied. The NOLM made up of this PCF and an asymmetrical coupler for pulse compression and pedestal suppression is theoretically investigated. The results show that when compared with a soliton-effect compression in which only a piece of PCF is used, a NOLM based on a highly nonlinear PCF significantly suppresses pulse pedestals with a relatively short loop length. For a given input pulse, there exists an optimal loop length at which the high quality compressed pulse can be obtained. The proposed scheme can be used to compress long pulses by use of appropriate fiber lengths and works well for a broad range of input soliton orders.

Citation Download Citation

Yongzhao Xu, Xuepeng Song, Xia Zhang, Yongqing Huang, and Xiaomin Ren "Nonlinear optical loop mirror based on a highly nonlinear photonic crystal fiber for pulse compression with pedestal suppression", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601940 (5 December 2005); https://doi.org/10.1117/12.634206

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