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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2466–2468

Improved switching using Fano resonances in photonic crystal structures

Mikkel Heuck, Philip Trøst Kristensen, Yuriy Elesin, and Jesper Mørk  »View Author Affiliations

Optics Letters, Vol. 38, Issue 14, pp. 2466-2468 (2013)

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We present a simple and robust structure for realizing asymmetric Fano transmission characteristics in photonic crystal waveguide-cavity structures. The use of Fano resonances for optical switching is analyzed using temporal coupled mode theory in combination with three-dimensional finite difference time domain simulations taking into account the signal bandwidth. The results suggest a significant energy reduction by employing Fano resonances compared to more well established Lorentzian resonance structures. A specific example of a Kerr nonlinearity shows an order of magnitude energy reduction.

© 2013 Optical Society of America

OCIS Codes
(130.4815) Integrated optics : Optical switching devices
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Diffraction and Gratings

Original Manuscript: March 22, 2013
Revised Manuscript: May 21, 2013
Manuscript Accepted: May 22, 2013
Published: July 9, 2013

Mikkel Heuck, Philip Trøst Kristensen, Yuriy Elesin, and Jesper Mørk, "Improved switching using Fano resonances in photonic crystal structures," Opt. Lett. 38, 2466-2468 (2013)

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