Single Mode Integrated Magnetooptical Isolator

J.-P. Castera; P.-L. Meunier; J.-M. Dupont; C. Moronvalle; T. Farnoux; A. Carenco

doi:10.1117/12.950008

31 January 1989 Single Mode Integrated Magnetooptical Isolator

J.-P. Castera, P.-L. Meunier, J.-M. Dupont, C. Moronvalle, T. Farnoux, A. Carenco

Proceedings Volume 1018, Electro-Optic and Magneto-Optic Materials; (1989) https://doi.org/10.1117/12.950008
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

An integrated nonreciprocal mode converter to be used in an optical isolator has been fabricated and tested. This device is realized by sputter etching a microchannel waveguide in a bilayer gadolinium gallium substituted Yttrium Iron Garnet film. Bonded to a heater, in order to control the mode phase matching, this component is packaged with single mode polarization maintaining optical fibers stuck at the input and output of the magnetooptical waveguide. Using bulk high quality polarizers, a 23 dB isolation ratio was obtained at λ = 1.55 μm.

Citation Download Citation

J.-P. Castera, P.-L. Meunier, J.-M. Dupont, C. Moronvalle, T. Farnoux, and A. Carenco "Single Mode Integrated Magnetooptical Isolator", Proc. SPIE 1018, Electro-Optic and Magneto-Optic Materials, (31 January 1989); https://doi.org/10.1117/12.950008

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