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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 28,
  • Issue 15,
  • pp. 2139-2145
  • (2010)

High Transmission Enhanced Faraday Rotation in Coupled Resonator Magneto-Optical Waveguides

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Abstract

We propose a novel magneto-optical waveguide configuration consisting of coupled-resonator magneto-optical waveguides to obtain enhanced transmission and Faraday rotation. We show theoretically that such a configuration can enhanced the localization of light and as a result, enhanced Faraday rotation and transmittance simultaneously. The calculations revealed that required optical isolator performance, transmittance 95%, Faraday rotation angle 22.81 degree and large amount of magneto-optical figure of merit, can be fulfilled with our optimized waveguide. Since our investigation showed that the use of optimized one dimensional coupled resonator magneto-optical waveguide with a rotation of half of 45 degree would make it possible to assemble low loss magneto-optical isolators.

© 2010 IEEE

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