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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 4001–4004

Electrically controlled second-harmonic generation in silicon-compatible plasmonic slot waveguides: a new modulation scheme

Jihua Zhang, Eric Cassan, and Xinliang Zhang  »View Author Affiliations

Optics Letters, Vol. 39, Issue 13, pp. 4001-4004 (2014)

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The possible realization of an active electro-optical control of the nonlinear second-harmonic generation (SHG) mechanism in a plasmonic slot waveguide is theoretically investigated. Both the conventional SHG and the electrically induced SHG are taken into account with a moderate pump power of 40 mW at the fundamental wavelength (1550 nm). The generated power of the second-harmonic frequency can be modulated by the applied voltage in a quadratic and almost linear form for centrosymmetric and noncentrosymmetric nonlinear polymers integrated in the slot, respectively. Converted power up to 140 μW within a short distance of only 16 μm is predicted for a voltage of 10 V. This mechanism may open a new route to realize high-speed advanced modulations or inversely to detect ultrafast electrical signals.

© 2014 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(250.5460) Optoelectronics : Polymer waveguides
(250.5403) Optoelectronics : Plasmonics
(250.4390) Optoelectronics : Nonlinear optics, integrated optics

ToC Category:

Original Manuscript: March 17, 2014
Revised Manuscript: May 13, 2014
Manuscript Accepted: June 1, 2014
Published: June 30, 2014

Jihua Zhang, Eric Cassan, and Xinliang Zhang, "Electrically controlled second-harmonic generation in silicon-compatible plasmonic slot waveguides: a new modulation scheme," Opt. Lett. 39, 4001-4004 (2014)

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