Performance Study of 40-Gb/s RZ Signals Through Cascaded Thin-Film Filters with Large Dispersion Slope | Zendy

Yue Wang | Zendy; Weisheng Hu | Zendy; Yikai Su | Zendy; Zheng Zheng | Zendy; Lufeng Leng | Zendy; Xiangqing Tian | Zendy; Yaohui Jin | Zendy

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Performance Study of 40-Gb/s RZ Signals Through Cascaded Thin-Film Filters with Large Dispersion Slope

Author(s) -

Yue Wang,

Weisheng Hu,

Yikai Su,

Zheng Zheng,

Lufeng Leng,

Xiangqing Tian,

Yaohui Jin

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.002176

Subject(s) - optics , dispersion (optics) , filter (signal processing) , signal (programming language) , optical filter , materials science , physics , computer science , computer vision , programming language

The performance of 40-Gb/s RZ signals through cascaded thinfilm filters is investigated by both numerical and analytical means. It is observed that the filtering effects can reduce the eye closure penalties caused by the large dispersion slope of the thin-film filters. In addition, the performance can be further improved by proper frequency detuning between the signal and the center of the filter. The combined effects of dispersion slope and filtering on 40-Gb/s signals are investigated analytically and explained for typical bit patterns.

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