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Proceedings Paper

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

Paper Details

Date Published: 5 December 2005
PDF: 8 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601940 (5 December 2005); doi: 10.1117/12.634206
Show Author Affiliations
Yongzhao Xu, Beijing Univ. of Posts and Telecommunications (China)
Xuepeng Song, Beijing Univ. of Posts and Telecommunications (China)
Xia Zhang, Beijing Univ. of Posts and Telecommunications (China)
Yongqing Huang, Beijing Univ. of Posts and Telecommunications (China)
Xiaomin Ren, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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