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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 1 — Jan. 1, 2012
  • pp: 58–60

Slow-light dispersion in periodically patterned silicon microring resonators

Jonathan Y. Lee and Philippe M. Fauchet  »View Author Affiliations


Optics Letters, Vol. 37, Issue 1, pp. 58-60 (2012)
http://dx.doi.org/10.1364/OL.37.000058


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Abstract

We demonstrate a novel periodically patterned ring resonator evanescently coupled with a coupler waveguide (CWG) on a silicon-on-insulator platform. In order to optimize the coupling, we phase match the ring resonator and the CWG by tuning the width of the CWG. In the transmission spectra, we measure a high extinction ratio of more than 20 dB and achieve a group index of 20 in the slow-light regime. Beating patterns in the calculated mode profiles suggest strong interference between degenerate modes. This device opens up the possibility of new applications in compact device integration in wavelength-division multiplexing system while reducing the in-band four-wave mixing cross talk.

© 2012 Optical Society of America

OCIS Codes
(130.5990) Integrated optics : Semiconductors
(260.2030) Physical optics : Dispersion
(230.5298) Optical devices : Photonic crystals

ToC Category:
Integrated Optics

History
Original Manuscript: August 10, 2011
Revised Manuscript: November 10, 2011
Manuscript Accepted: November 11, 2011
Published: December 26, 2011

Citation
Jonathan Y. Lee and Philippe M. Fauchet, "Slow-light dispersion in periodically patterned silicon microring resonators," Opt. Lett. 37, 58-60 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-1-58

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