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Proceedings Paper

Signal processing for optical wavelength interleaver design
Author(s): Chi-Hao Cheng
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Paper Abstract

In this article, two application examples of signal processing for optical interleaver design are presented. The optical interleaver has become an important building block of the dense wavelength division multiplexing (DWDM) system. Numerous design diagrams have been proposed for the optical interleaver, and, among these diagrams, the Mach-Zehnder interferometer type interleaver and the Michelson interferometer type interleaver might be the most popular ones. The Mach-Zehnder interferometer is a special case of the finite impulse response (FIR) filter, and the Michelson interferometer belongs to the category of the infinite impulse response (IIR) filter. In this article, we demonstrate how signal processing techniques could be applied to design the Mach-Zehnder interferometer type interleaver and the Michelson interferometer type interleaver. Detailed Z-domain transfer functions of these two types of interferometers are presented. The two case studies presented in this article demonstrate how signal processing has become a great enabling technology for optical device design.

Paper Details

Date Published: 5 December 2005
PDF: 8 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60192F (5 December 2005); doi: 10.1117/12.637082
Show Author Affiliations
Chi-Hao Cheng, Miami University (United States)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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