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Proceedings Paper

Analytical research on pulse compression by using nonlinear optical loop mirror based on crystal fiber
Author(s): Shaohui Li; Aiying Yang; Jianmin Cui; Yu-nan Sun
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Paper Abstract

In this paper, a nonlinear optical loop mirror (NOLM) based on photonic crystal fiber (PCF) is used for optical pulse compression. The transmission of optical pulses in the fiber loop can be described by the nonlinear Schrodinger equations. The crossing phase modulation (XPM) effect in NOLM is used for pulse compression. The theory of XPM effect in NOLM is analyzed and the process of pulse compression is simulated. Comparing three different shapes input pulses, it can be found that the Hyperbolic-Secant Pulses have the better compression quality than the other two shapes pulses. Due to the characteristics of PCF, especially high nonlinear properties, the high quality compressed pulses can be got. Compare with the self phase modulation (SPM) effect for optical pulse compression, it is shown that the input pulse with low power can be compressed and the compression of the input pulse can be controlled by the control pulse. By choosing the proper parameters of the NOLM, to some extent, the pedestal of the compressed pulse can be suppressed. Based on the analysis of the result, proper parameters and the crystal fiber of the NOLM will be selected.

Paper Details

Date Published: 21 November 2007
PDF: 7 pages
Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67813B (21 November 2007); doi: 10.1117/12.745278
Show Author Affiliations
Shaohui Li, Beijing Institute of Technology (China)
Aiying Yang, Beijing Institute of Technology (China)
Jianmin Cui, Beijing Institute of Technology (China)
Yu-nan Sun, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6781:
Passive Components and Fiber-based Devices IV
Ming-Jun Li; Jianping Chen; Satoki Kawanishi; Ian H. White, Editor(s)

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