Optical integrated structures for the processing of WDM signals

Ted Jini Smail; Christian Seassal; Anne Valerie Bel

doi:10.1117/12.298191

12 January 1998 Optical integrated structures for the processing of WDM signals

Ted Jini Smail, Christian Seassal, Anne Valerie Bel

Proceedings Volume 3278, Integrated Optic Devices II; (1998) https://doi.org/10.1117/12.298191
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

All optical structures for signal processing in optical links are studied. Both theoretical and experimental aspects are considered. Two configurations corresponding to frequency selection and frequency rejection are analyzed. First, hybrid circuits based on single mode optical fibers are studied. Frequency rejection circuits are mainly based on unbalanced Mach-Zehnder interferometers, while frequency selection function uses ring resonators. These structures show good stability and are well suited for low frequency uses ring resonators. These structures show good stability and are well suited for low frequency signals up to 100MHz. To meet microwave and millimeter wave ranges, integrated structure are introduced. The design and the realization of a 1.5GHz frequency rejecting filter made on a glass substrate is presented. The realized integrated filter shows a rejection depth better than 30dBe in a 20GHz band.

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Ted Jini Smail, Christian Seassal, and Anne Valerie Bel "Optical integrated structures for the processing of WDM signals", Proc. SPIE 3278, Integrated Optic Devices II, (12 January 1998); https://doi.org/10.1117/12.298191

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KEYWORDS

Optical fibers

Resonators

Signal processing

Integrated optics

Interferometers

Optical filters

Filtering (signal processing)

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