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Cd1-xMnxTe Magneto-Optical Waveguide for Monolithical Integration of Optical Isolator into Optoelectronics Circuits

Published online by Cambridge University Press:  01 February 2011

Vadym Zayets*
Affiliation:
Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Umezono 1–1–4, Tsukuba, Ibaraki 305–8568, Japan.
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Abstract

Diluted magnetic semiconductor Cd1-xMnxTe was proposed as a magneto-optic material for waveguide optical isolator. Waveguide propagation loss below 1 dB/cm, complete magneto-optical mode conversion and optical isolation of 20 dB were demonstrated with Cd1-xMnxTe waveguides grown on GaAs substrate. The high isolation ratio, high magneto-optic effect and low propagation loss achieved in the magneto-optical waveguide grown on the semiconductor substrate shows the feasibility of monolithical integration of an optical isolator with semiconductor optoelectronic devices.

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article
Copyright
Copyright © Materials Research Society 2005

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