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Applied Physics Letters / Volume 92 / Issue 11 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 92, 111111 (2008); http://dx.doi.org/10.1063/1.2890051 (3 pages)

Subwavelength imaging of light confinement in high-Q/small-V photonic crystal nanocavity

Loic Lalouat1, Benoit Cluzel1, Frédérique de Fornel1, Philippe Velha2, Philippe Lalanne2, David Peyrade3, Emmanuel Picard4, Thomas Charvolin4, and Emmanuel Hadji4

1Groupe d’Optique de Champ Proche, Institut Carnot de Bourgogne UMR 5209 CNRS—9 av. A. Savary, 21078 DIJON, France
2Laboratoire Charles Fabry de l’Institut d’Optique, CNRS, Université Paris-Sud, Campus Polytechnique, RD128, 91127 Palaiseau, France
3Laboratoire des Technologies de la Microélectronique, CNRS, 38054 GRENOBLE, France
4Laboratoire Silicium Nanoélectronique Photonique et Structures, DRFMC/SP2M,CEA Grenoble, 17 rue des Martyrs, 38054 GRENOBLE, France

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(Received 11 December 2007; accepted 8 February 2008; published online 20 March 2008)

The optical near field of a high-Q and ultrasmall volume photonic crystal nanocavity is visualized with a subwavelength resolution by using a scanning near-field optical microscope (SNOM) operating at the same time in collection-scanning mode and in interaction-scanning mode. It is shown that the nanocavity resonant mode is selectively visualized by using the SNOM interaction-scanning mode while the whole electromagnetic field surrounding the nanocavity is probed using the SNOM collection-scanning mode. The different optical near-field images are compared in light of a three-dimensional numerical analysis and we demonstrate an unexpected mode coupling at the cavity resonance.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

cavity resonators, nanostructured materials, near-field scanning optical microscopy, photonic crystals

PACS

  • 68.37.Uv

    Near-field scanning microscopy and spectroscopy

  • 68.65.-k

    Low-dimensional, mesoscopic, nanoscale and other related systems: structure and nonelectronic properties

  • 42.70.Qs

    Photonic bandgap materials

  • 61.46.-w

    Structure of nanoscale materials

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2890051

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    For sensing see, for example, M. Loncar, A. Scherer, and Y. Qiu, Appl. Phys. Lett. 82, 4648 (2003)APPLAB000082000026004648000001;, B. Schmidt, V. Almeida, C. Manolatou, S. Preble, and M. Lipson, ibid. 85, 4854 (2004)APPLAB000085000021004854000001.

    N. Louvion, D. Gérard, J. Mouette, F. de Fornel, C. Seassal, X. Letartre, A. Rahmani, and S. Callard, Phys. Rev. Lett. 94, 113907 (2005).

    B. Cluzel, E. Picard, T. Charvolin, E. Hadji, L. Lalouat, F. de Fornel, C. Sauvan, and P. Lalanne, Appl. Phys. Lett. 88, 051112 (2006)APPLAB000088000005051112000001.

    L. Lalouat, B. Cluzel, P. Velha, E. Picard, D. Peyrade, J. P. Hugonin, P. Lalanne, E. Hadji, and F. de Fornel, Phys. Rev. B 76, 041102 (2007).

    J. W. P. Hsu, M. Lee, and B. S. Deaver, Rev. Sci. Instrum. 66, 3177 (1995)RSINAK000066000005003177000001.

    A. F. Koenderink, M. Kafesaki, B. C. Buchler, and V. Sandoghdar, Phys. Rev. Lett. 95, 153904 (2005).

    M. L. M. Balistreri, J. P. Korterik, L. Kuipers, and N. F. van Hulst, Phys. Rev. Lett. 85, 294 (2000).


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