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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 12 — Dec. 1, 2007
  • pp: 2964–2971

Exploring light propagating in photonic crystals with Fourier optics

Nicolas Le Thomas, Romuald Houdré, Maria V. Kotlyar, David O'Brien, and Thomas F. Krauss  »View Author Affiliations


JOSA B, Vol. 24, Issue 12, pp. 2964-2971 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002964


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Abstract

Photonic crystals (PhCs) act on light in two different ways: confinement and modification of propagation. Both phenomena rely on the complex interplay between multiply scattered waves that can form what is known as a Bloch mode. Here, we present a technique that allows direct imaging of Bloch modes, both in real space and in k-space. The technique gives access to the location of the field maxima inside the PhC, the dispersion relation, equifrequency surfaces, as well as reflection and transmission coefficients. Our key advance is that we retrieve the desired information comprehensively, without postprocessing or cumbersome near-field scanning techniques, even for modes that are nominally lossless, i.e., below the light line. To highlight the potential of the technique, we extract the dispersion curve of a coupled cavity waveguide consisting of as many as 100 cavities, as well as the equifrequency surfaces and polarization properties of a PhC beam splitter.

© 2007 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves
(130.5990) Integrated optics : Semiconductors

ToC Category:
Photonic Crystals

History
Original Manuscript: August 3, 2007
Manuscript Accepted: September 26, 2007
Published: November 14, 2007

Citation
Nicolas Le Thomas, Romuald Houdré, Maria V. Kotlyar, David O'Brien, and Thomas F. Krauss, "Exploring light propagating in photonic crystals with Fourier optics," J. Opt. Soc. Am. B 24, 2964-2971 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-12-2964

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