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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 7 — Jul. 1, 2012
  • pp: 1606–1611

Second-order nonlinear frequency conversion processes in plasmonic slot waveguides

Shakeeb Bin Hasan, Carsten Rockstuhl, Thomas Pertsch, and Falk Lederer  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1606-1611 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001606


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Abstract

We present a theoretical study on the possibilities to achieve nonlinear frequency conversion in plasmonic slot waveguides having a χ ( 2 ) nonlinear medium as its core. Second-harmonic generation is used as a referential process to discuss the possibilities in achieving strong nonlinear interactions. We show that geometrical dispersion allows for the possibility of modal phase matching without resorting to other mechanisms like birefringence phase matching or periodic poling of the nonlinear medium. We disclose that in strongly dissipative systems two effects, the damping of individual modes and the phase-matching condition, have to be carefully balanced to assure an efficient energy conversion. Besides second-harmonic generation, emphasis is put on exploring the application of potentially more importance: the parametric amplification in the waveguide with the purpose to enhance its propagation length.

© 2012 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: February 13, 2012
Revised Manuscript: April 15, 2012
Manuscript Accepted: April 16, 2012
Published: June 12, 2012

Citation
Shakeeb Bin Hasan, Carsten Rockstuhl, Thomas Pertsch, and Falk Lederer, "Second-order nonlinear frequency conversion processes in plasmonic slot waveguides," J. Opt. Soc. Am. B 29, 1606-1611 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1606

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