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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1506–1508

Nonreciprocal switching of V O 2 thin films on microstructured surfaces

Ismail Karakurt, Charles H. Adams, Paul Leiderer, Johannes Boneberg, and Richard F. Haglund, Jr.  »View Author Affiliations


Optics Letters, Vol. 35, Issue 10, pp. 1506-1508 (2010)
http://dx.doi.org/10.1364/OL.35.001506


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Abstract

We demonstrate that the combination of near-field focusing and a switchable oxide layer permits construction of a modulator with different optical switching thresholds in two opposing directions. For that purpose V O 2 layers are deposited onto spherical micrometer-sized particles. The phase transition in V O 2 is induced by a nanosecond-pulsed Nd:YAG laser from two different directions. The measured thresholds differ by a factor of 2.4, consistent with calculated differences in the intensities in the two directions.

© 2010 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(310.6860) Thin films : Thin films, optical properties
(160.3918) Materials : Metamaterials
(130.4815) Integrated optics : Optical switching devices
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Materials

History
Original Manuscript: November 24, 2009
Revised Manuscript: March 24, 2010
Manuscript Accepted: March 27, 2010
Published: May 4, 2010

Citation
Ismail Karakurt, Charles H. Adams, Paul Leiderer, Johannes Boneberg, and Richard F. Haglund, Jr., "Nonreciprocal switching of VO2 thin films on microstructured surfaces," Opt. Lett. 35, 1506-1508 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-10-1506

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