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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 10 — May. 7, 2012
  • pp: 11487–11495

Active metal strip hybrid plasmonic waveguide with low critical material gain

Linfei Gao, Liangxiao Tang, Feifei Hu, Ruimin Guo, Xingjun Wang, and Zhiping Zhou  »View Author Affiliations

Optics Express, Vol. 20, Issue 10, pp. 11487-11495 (2012)

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An active metal strip hybrid plasmonic waveguide (MSHPW) using gain materials as loss compensation is proposed with an extremely simple fabrication procedure. Gain materials are introduced either in the low-index layer or in the high-index layer of MSHPW. The effects of waveguide dimensions and material gain coefficients on loss compensation are analyzed at the communication wavelength. For one configuration presented here, a critical material gain as low as 3.8cm−1 is sufficient for fully compensation of the loss when using a high-index gain material. The active MSHPW with low critical material gain opens up opportunities for practical plasmonic devices in active applications such as amplifiers, sources, and modulators.

© 2012 OSA

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(230.4480) Optical devices : Optical amplifiers

ToC Category:
Optics at Surfaces

Original Manuscript: February 29, 2012
Revised Manuscript: April 19, 2012
Manuscript Accepted: April 27, 2012
Published: May 4, 2012

Linfei Gao, Liangxiao Tang, Feifei Hu, Ruimin Guo, Xingjun Wang, and Zhiping Zhou, "Active metal strip hybrid plasmonic waveguide with low critical material gain," Opt. Express 20, 11487-11495 (2012)

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