Michelson interferometer-based interleaver design algorithm based on IIR filter model

Chi-Hao Cheng; David J. Goode

doi:10.1117/12.685748

2 October 2006 Michelson interferometer-based interleaver design algorithm based on IIR filter model

Chi-Hao Cheng, David J. Goode

Proceedings Volume 6389, Active and Passive Optical Components for Communications VI; 638914 (2006) https://doi.org/10.1117/12.685748
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

The Michelson interferometer based interleaver has been widely used in dense wavelength-division multiplexing (DWDM) systems. It possesses advantages such as compact size, low material costs, etc. However, the Michelson interferometer based interleaver can not be designed as a constant group delay filter due to its infinite impulse response filter nature. In this article, a Michelson interferometer design algorithm based on all-pass filter phase approximation is proposed. It is demonstrated that, with the proposed algorithm, it is straightforward to design an interleaver with respect to different requirements such as bandwidth utilization, isolation, etc. More importantly, it is also demonstrated that, with the proposed algorithm, the group delay variation of the Michelson interferometer based interleaver can be minimized while given magnitude spectrum specifications are satisfied.

Citation Download Citation

Chi-Hao Cheng and David J. Goode "Michelson interferometer-based interleaver design algorithm based on IIR filter model", Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 638914 (2 October 2006); https://doi.org/10.1117/12.685748

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