An economical and efficient dispersion compensating filter for ultra dense communications

Li Wei; Zhi Huang; John W. Y. Lit

doi:10.1117/12.689914

4 October 2006 An economical and efficient dispersion compensating filter for ultra dense communications

Li Wei, Zhi Huang, John W. Y. Lit

Proceedings Volume 6351, Passive Components and Fiber-based Devices III; 63511G (2006) https://doi.org/10.1117/12.689914
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

We propose a novel efficient dispersion compensating filter that is relatively simple and much less expensive to implement. It is a multicavity Gires-Tournois etalon based all-pass filter and the length of each of the cavities is slightly mismatched. We present a theoretical study of the filter for chromatic dispersion compensation. Our simulation results show that a linear group delay response can be obtained by properly choosing the mismatched cavity length and the chromatic dispersion value can be controlled by suitably adjusting the reflection coefficients of the mirrors. For applications in fiber disperison compensation, the disperson slope can be achieved by slightly modulating the reflection coefficients of the reflectors relative to wavelength.

Citation Download Citation

Li Wei, Zhi Huang, and John W. Y. Lit "An economical and efficient dispersion compensating filter for ultra dense communications", Proc. SPIE 6351, Passive Components and Fiber-based Devices III, 63511G (4 October 2006); https://doi.org/10.1117/12.689914

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