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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 6 — Mar. 15, 2014
  • pp: 1425–1428

Optical three-port circulators made with ring resonators

Dirk Jalas, Alexander Yu. Petrov, and Manfred Eich  »View Author Affiliations


Optics Letters, Vol. 39, Issue 6, pp. 1425-1428 (2014)
http://dx.doi.org/10.1364/OL.39.001425


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Abstract

We propose a circulator consisting of a ring resonator coupled to three waveguides with Bragg reflectors at one end of each waveguide. A magneto-optically active material placed inside the ring resonator causes the two counter-propagating modes to split in resonance frequency, which can be exploited for perfect circulation by properly adjusting the coupling between the three waveguides and the ring. Such a device features a transmission spectrum that is similar to three-port photonic crystal circulators but is much simpler to build as it only contains elements that have already been experimentally realized.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.3240) Optical devices : Isolators
(230.3810) Optical devices : Magneto-optic systems
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

History
Original Manuscript: January 8, 2014
Manuscript Accepted: January 24, 2014
Published: March 6, 2014

Citation
Dirk Jalas, Alexander Yu. Petrov, and Manfred Eich, "Optical three-port circulators made with ring resonators," Opt. Lett. 39, 1425-1428 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-6-1425

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