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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 486–488

Guided-mode resonant coherent light absorbers

J. A. Giese, J. W. Yoon, B. R. Wenner, J. W. Allen, M. S. Allen, and R. Magnusson  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 486-488 (2014)
http://dx.doi.org/10.1364/OL.39.000486


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Abstract

We present a new class of coherent perfect absorbers based on guided-mode resonance in thin semiconductor films. Using particle-swarm optimization methods, we design a thin-film amorphous silicon grating that maximizes coherent modulation of the absorbance. The optimized device exhibits a maximum scattering power of 94% and a power absorption limit approaching 100% at the 1550-nm wavelength.

© 2014 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.5750) Optical devices : Resonators
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: November 1, 2013
Revised Manuscript: December 12, 2013
Manuscript Accepted: December 18, 2013
Published: January 21, 2014

Citation
J. A. Giese, J. W. Yoon, B. R. Wenner, J. W. Allen, M. S. Allen, and R. Magnusson, "Guided-mode resonant coherent light absorbers," Opt. Lett. 39, 486-488 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-486

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