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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 14 — Jul. 15, 2005
  • pp: 1873–1875

Planar heterogeneous structures for coherent emission of radiation

C. J. Fu, Z. M. Zhang, and D. B. Tanner  »View Author Affiliations


Optics Letters, Vol. 30, Issue 14, pp. 1873-1875 (2005)
http://dx.doi.org/10.1364/OL.30.001873


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Abstract

The coupling of excited surface polaritons with thermal radiation through diffraction by gratings results in coherent thermal emission in a certain frequency range toward well-defined directions for p polarization. A planar coherent source is proposed that uses multilayers of negative permittivity (delta) and negative permeability (µ) materials. Owing to the excitation of surface polaritons at the interface between the negative-delta and negative-µ layers, coherent emission can be achieved for both s and p polarization. Moreover, one can control the emission frequency and direction by adjusting the layer thicknesses.

© 2005 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(240.0310) Optics at surfaces : Thin films
(240.6690) Optics at surfaces : Surface waves

Citation
C. J. Fu, Z. M. Zhang, and D. B. Tanner, "Planar heterogeneous structures for coherent emission of radiation," Opt. Lett. 30, 1873-1875 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-14-1873

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