4.5 Article

Design of Magneto-Optical Ring Isolator on SOI Based on the Finite-Element Method

Journal

IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 23, Issue 22, Pages 1670-1672

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2164397

Keywords

Finite-element method (FEM); integrated optics; isolators; magneto-optic material

Funding

  1. DARPA MTO under CIPhER [HR0011-10-1-0079]

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In this letter, we present the design of an integrated optical isolator realized by bonding a silicon micro-ring resonator with a Ce:YIG garnet. The nonreciprocal phase shift effect induced by applying a radial magnetic field has been studied using the finite-element method; numerical results clearly point out how to optimize the thickness of the silicon ring and Ce: YIG garnet in order to maximize the nonreciprocal effect between the forward and backward TM modes.

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