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Waveguide Optical Isolators Fabricated by Wafer Bonding

Published online by Cambridge University Press:  01 February 2011

Tetsuya Mizumoto  and
Hideki Yokoi
Tetsuya Mizumoto
Affiliation:
Tokyo Institute of Technology, Dept. of Electrical and Electronic Engineering, 2–12–1 Ookayama, Meguro-ku, Tokyo, 152–8552, JAPAN CREST-JST
Hideki Yokoi
Affiliation:
Shibaura Institute of Technology, Dept. of Electronic Engineering, 3–9–14 Shibayura, Minato-ku, Tokyo, 108–8548, JAPAN CREST-JST
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Abstract

Wafer bonding of a magnetooptic garnet crystal to III-V compound semiconductor and LiNbO3 is discussed for the application to waveguide optical isolators. Two types of waveguide isolators, an interferometric isolator and a semileaky isolator, are discussed. The interferometric isolator uses nonreciprocal phase shift and is composed of the GaInAsP guiding layer. The isolator has the advantage of integratability with optical active devices. The semileaky isolator composed of a magnetooptic garnet guiding and LiNbO3 upper cladding layer has the advantages of large fabrication tolerance and wide operating wavelength range. The performance of isolators is also demonstrated.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 834: Symposium J – Magneto-Optical Materials for Photonics and Recording , 2004 , J4.3
Copyright
Copyright © Materials Research Society 2005

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References

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