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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 6 — Mar. 15, 2009
  • pp: 779–781

Fundamental limit for two-dimensional passive devices

Rafael Piestun and C. Martijn de Sterke  »View Author Affiliations


Optics Letters, Vol. 34, Issue 6, pp. 779-781 (2009)
http://dx.doi.org/10.1364/OL.34.000779


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Abstract

There is an upper limit to the number of electromagnetic communication channels in two-dimensional linear passive components that depends only on the geometrical dimensions but is independent of the permittivity function, the actual external shape, or the internal design. The limit applies to both weakly and strongly scattering waves. When the permittivity contrast is low, a tighter limit exists that includes only multiple scattering waves. A detailed analysis helps compare these two limits and leads to insights that apply to devices, such as photonic crystals and microresonators, as well as lossless metamaterials, superlenses, and cloaking devices. As an example, we establish a rigorous scaling relation for the upper bound of the number of demultiplexing channels in superprisms.

© 2009 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(260.2030) Physical optics : Dispersion
(290.4210) Scattering : Multiple scattering
(350.7420) Other areas of optics : Waves

ToC Category:
Scattering

History
Original Manuscript: October 15, 2008
Revised Manuscript: December 26, 2008
Manuscript Accepted: January 5, 2009
Published: March 10, 2009

Citation
Rafael Piestun and C. Martijn de Sterke, "Fundamental limit for two-dimensional passive devices," Opt. Lett. 34, 779-781 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-6-779

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