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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 7 — Jul. 1, 2014
  • pp: 1539–1543

Engineering optical bistability in a multimaterial loop metasurface

Babak Memarzadeh and Hossein Mosallaei  »View Author Affiliations


JOSA B, Vol. 31, Issue 7, pp. 1539-1543 (2014)
http://dx.doi.org/10.1364/JOSAB.31.001539


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Abstract

The performance of a multimaterial loop (MML) metasurface integrated with Kerr nonlinear material as the dielectric spacer layer is investigated comprehensively with the finite-difference time-domain method. Optical bistability is obtained by exciting the metasurface with a saw-tooth profile for its amplitude. Based on effects of coupling between the plasmonic loops on the performance of the MML metasurface, it is shown that there is a trade-off between the required input intensity for switching and the extinction ratio of the two states of the switch. Two distinct designs are proposed where in the second design, which has lower coupling, the extinction ratio is increased by a factor of 2 while the required intensity for switching is 13 times higher than that of the first design.

© 2014 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(160.3918) Materials : Metamaterials
(130.4815) Integrated optics : Optical switching devices
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Materials

History
Original Manuscript: April 1, 2014
Revised Manuscript: May 9, 2014
Manuscript Accepted: May 13, 2014
Published: June 11, 2014

Citation
Babak Memarzadeh and Hossein Mosallaei, "Engineering optical bistability in a multimaterial loop metasurface," J. Opt. Soc. Am. B 31, 1539-1543 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-7-1539

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