Channel waveguide Mach-Zehnder interferometer for wavelength splitting and combining

Ari Tervonen; Pekka Poyhonen; Seppo Honkanen; Markku Toivo Tahkokorpi

doi:10.1117/12.46053

1 August 1991 Channel waveguide Mach-Zehnder interferometer for wavelength splitting and combining

Ari Tervonen, Pekka Poyhonen, Seppo Honkanen, Markku Toivo Tahkokorpi

Proceedings Volume 1513, Glasses for Optoelectronics II; (1991) https://doi.org/10.1117/12.46053
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

A guided-wave Mach-Zehnder interferometer structure, based on the use of a four-port hybrid optical coupler consisting of symmetric and nonsymmetric y-junctions, is proposed for wavelength division multiplexing application. This structure provides low sensitivity to fabrication parameters and optical polarization and can also be applied to wide wavelength spacing operations. Interferometers for wavelength splitting in the 1.3 and 1.55 micrometers windows were designed and fabricated into a glass substrate with a dry silver ion exchange process. The measured crosstalk was -30 dB with nonpolarized light.

Citation Download Citation

Ari Tervonen, Pekka Poyhonen, Seppo Honkanen, and Markku Toivo Tahkokorpi "Channel waveguide Mach-Zehnder interferometer for wavelength splitting and combining", Proc. SPIE 1513, Glasses for Optoelectronics II, (1 August 1991); https://doi.org/10.1117/12.46053

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