Magneto-optical isolator with silicon waveguides fabricated by direct bonding

Yuya Shoji, Tetsuya Mizumoto, Hideki Yokoi, I. Wei Hsieh, Richard M. Osgood

研究成果: Article査読

248 被引用数 (Scopus)

抄録

A magneto-optical isolator is demonstrated for use with a Si waveguide. The isolator is based on a Mach-Zehnder interferometer employing a nonreciprocal phase shift and is fabricated by bonding a magneto-optic garnet Ce Y2 Fe5 O12 (Ce:YIG) directly onto the Si waveguide. The surface-activated bonding is based on oxygen-plasma exposure in a high-vacuum chamber. The nonreciprocal phase shift is observed by applying an external magnetic field. An isolation ratio of 21 dB is obtained at a wavelength of 1559 nm.

本文言語English
論文番号071117
ジャーナルApplied Physics Letters
92
7
DOI
出版ステータスPublished - 2008 3 3

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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