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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 20 — Oct. 15, 2010
  • pp: 3438–3440

Resonance splitting in gyrotropic ring resonators

Dirk Jalas, Alexander Petrov, Michael Krause, Jan Hampe, and Manfred Eich  »View Author Affiliations

Optics Letters, Vol. 35, Issue 20, pp. 3438-3440 (2010)

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We present the theoretical concept of an optical isolator based on resonance splitting in a silicon ring resonator covered with a magneto-optical polymer cladding. For this task, a perturbation method is derived for the modes in the cylindrical coordinate system. A polymer magneto-optical cladding causing a 0.01 amplitude of the off- diagonal element of the dielectric tensor is assumed. It is shown that the derived resonance splitting of the clockwise and counterclockwise modes increases for smaller ring radii. For the ring with a radius of approximately 1.5 μm , a 29 GHz splitting is demonstrated. An integrated optical isolator with a 10 μm geometrical footprint is proposed based on a critically coupled ring resonator.

© 2010 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(210.3810) Optical data storage : Magneto-optic systems
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

Original Manuscript: July 14, 2010
Revised Manuscript: September 20, 2010
Manuscript Accepted: September 20, 2010
Published: October 12, 2010

Dirk Jalas, Alexander Petrov, Michael Krause, Jan Hampe, and Manfred Eich, "Resonance splitting in gyrotropic ring resonators," Opt. Lett. 35, 3438-3440 (2010)

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