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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 2 — Jan. 15, 2013
  • pp: 100–102

Fundamental bounds on decay rates in asymmetric single-mode optical resonators

Ken Xingze Wang, Zongfu Yu, Sunil Sandhu, and Shanhui Fan  »View Author Affiliations


Optics Letters, Vol. 38, Issue 2, pp. 100-102 (2013)
http://dx.doi.org/10.1364/OL.38.000100


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Abstract

We derive tight upper and lower bounds of the ratio between decay rates to two ports from a single resonance exhibiting Fano interference, based on a general temporal coupled-mode theory formalism. The photon transport between these two ports involves both direct and resonance-assisted contributions, and the bounds depend only on the direct process. The bounds imply that, in a lossless system, full reflection is always achievable at Fano resonance, even for structures lacking mirror symmetries, while full transmission can only be seen in a symmetric configuration where the two decay rates are equal. The analytic predictions are verified against full-field electromagnetic simulations.

© 2013 Optical Society of America

OCIS Codes
(230.5750) Optical devices : Resonators
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

History
Original Manuscript: November 9, 2012
Manuscript Accepted: December 2, 2012
Published: January 7, 2013

Citation
Ken Xingze Wang, Zongfu Yu, Sunil Sandhu, and Shanhui Fan, "Fundamental bounds on decay rates in asymmetric single-mode optical resonators," Opt. Lett. 38, 100-102 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-2-100

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