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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 12 — Jun. 15, 2011
  • pp: 2312–2314

Hybrid plasmonic waveguide with gain medium for lossless propagation with nanoscale confinement

Jing Zhang, Likang Cai, Wenli Bai, Yun Xu, and Guofeng Song  »View Author Affiliations

Optics Letters, Vol. 36, Issue 12, pp. 2312-2314 (2011)

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In this Letter, we propose a hybrid plasmonic nanosystem consisting of a silver cladding layer with a semicylinder bump on top of InGaAsP nanowire. Because of the coupling between the dielectric waveguide mode and surface plasmon polariton mode, the hybrid plasmonic mode can exhibit low loss with strong field localization. The finite element method numerical simulations are employed to evaluate the performances of the hybrid mode. In order to achieve the lossless propagation of the hybrid mode with the mode area of 0.0058 ( λ 2 / 4 ) at 1.55 μm , the material gain of 200 nm × 300 nm InGaAsP nanowire should reach 1223 cm 1 .

© 2011 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(130.2755) Integrated optics : Glass waveguides

ToC Category:
Optics at Surfaces

Original Manuscript: February 16, 2011
Revised Manuscript: May 17, 2011
Manuscript Accepted: May 19, 2011
Published: June 14, 2011

Jing Zhang, Likang Cai, Wenli Bai, Yun Xu, and Guofeng Song, "Hybrid plasmonic waveguide with gain medium for lossless propagation with nanoscale confinement," Opt. Lett. 36, 2312-2314 (2011)

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