Effect of filter parameters on enhanced performance of highly nonlinear fiber-based all optical thresholding

Yinfang Chen; Rong Wang; Tao Pu; Peng Xiang; Tao Fang; Fei Zhen; Jilin Zheng

doi:10.1117/1.OE.52.4.045002

3 April 2013 Effect of filter parameters on enhanced performance of highly nonlinear fiber-based all optical thresholding

Yinfang Chen, Rong Wang, Tao Pu, Peng Xiang, Tao Fang, Fei Zhen, Jilin Zheng

Author Affiliations +

Optical Engineering, Vol. 52, Issue 4, 045002 (April 2013). https://doi.org/10.1117/1.OE.52.4.045002

Abstract

A principle-of-concept demonstration about the effect of filter parameters on the output performance of a highly nonlinear fiber-based all optical thresholding technique (OTT) is proposed. The center wavelength, bandwidth, and rejection parameters of an optical bandpass filter (OBPF) used in fiber-based OTT are discussed. Carefully adjusting each parameter of the OBPF allows a steeper transforming characteristic of optical thresholding, and a fourth-order polynomial power transfer function is achieved, which is the steepest thresholding curve ever reported. To the best of our knowledge, this is the first demonstration of fiber-based OTT focusing on OBPF parameters, which makes the thresholder more flexible and allows customization of thresholding performance to meet requirements in various systems.

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Yinfang Chen, Rong Wang, Tao Pu, Peng Xiang, Tao Fang, Fei Zhen, and Jilin Zheng "Effect of filter parameters on enhanced performance of highly nonlinear fiber-based all optical thresholding," Optical Engineering 52(4), 045002 (3 April 2013). https://doi.org/10.1117/1.OE.52.4.045002

Published: 3 April 2013

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