Asymmetric Mach-Zehnder Demultiplexers In GaAs/GaAIAs Single And Double Heterostructures

Alfredo Yi-Yan; Robert J. Deri; Myron Seto; Raymond J. Hawkins

doi:10.1117/12.961918

6 December 1989 Asymmetric Mach-Zehnder Demultiplexers In GaAs/GaAIAs Single And Double Heterostructures

Alfredo Yi-Yan, Robert J. Deri, Myron Seto, Raymond J. Hawkins

Proceedings Volume 1141, 5th European Conf on Integrated Optics: ECIO '89; (1989) https://doi.org/10.1117/12.961918
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

We report on guided-wave periodic filters fabricated on a semiconductor substrate. The devices, based on an asymmetric Mach-Zehnder interferometer, operate with a channel separation of 19nm in the 1500nm wavelength range. An extinction ratio of 18dB has been measured in a double heterostructure device designed for TE polarized light. Operation with reduced polarization dependence is also demonstrated in a single heterostructure device with extinction ratios of 24.1dB and 22.5dB for TE and TM polarization, respectively.

Citation Download Citation

Alfredo Yi-Yan, Robert J. Deri, Myron Seto, and Raymond J. Hawkins "Asymmetric Mach-Zehnder Demultiplexers In GaAs/GaAIAs Single And Double Heterostructures", Proc. SPIE 1141, 5th European Conf on Integrated Optics: ECIO '89, (6 December 1989); https://doi.org/10.1117/12.961918

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