Compensator for dispersion and dispersion slope using fiber Bragg gratings

YoungJun Lee; Junkye Bae; Chul Han Kim; Sang Hyuck Kim; Je-Myung Jeong; Sang Bae Lee

doi:10.1117/12.691800

21 September 2006 Compensator for dispersion and dispersion slope using fiber Bragg gratings

YoungJun Lee, Junkye Bae, Chul Han Kim, Sang Hyuck Kim, Je-Myung Jeong, Sang Bae Lee

Proceedings Volume 6353, Optical Transmission, Switching, and Subsystems IV; 63531U (2006) https://doi.org/10.1117/12.691800
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

We propose a novel method of tunable compensation for dispersion and dispersion slope based on a uniform fiber Bragg gratings (FBGs). A specially designed mechanical rotator and a metal beam with a thickness gradient can induce a nonlinear strain gradient along the length of the gratings so as to control the dispersion of the gratings and their dispersion slope as well. By way of changing rotation angle, the dispersion value was controlled from -894.6ps/nm to -365.2ps/nm while the dispersion slope from 1049.2ps/nm² to 134.8 ps/nm². The centre wavelength was measured to shift by less than 0.07nm. In simulated 80Gb/s NRZ transmission system, we showed to compensate dispersion and dispersion slope with system power penalty of about 2.5 dB by using the proposed method.

Citation Download Citation

YoungJun Lee, Junkye Bae, Chul Han Kim, Sang Hyuck Kim, Je-Myung Jeong, and Sang Bae Lee "Compensator for dispersion and dispersion slope using fiber Bragg gratings", Proc. SPIE 6353, Optical Transmission, Switching, and Subsystems IV, 63531U (21 September 2006); https://doi.org/10.1117/12.691800

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