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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 19 — Sep. 14, 2009
  • pp: 16646–16653

A silicon-based hybrid plasmonic waveguide with a metal cap for a nano-scale light confinement

Daoxin Dai and Sailing He  »View Author Affiliations


Optics Express, Vol. 17, Issue 19, pp. 16646-16653 (2009)
http://dx.doi.org/10.1364/OE.17.016646


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Abstract

A hybrid plasmonic waveguide with a metal cap on a silicon-on-insulator rib (or slab) is presented. There is a low-index material nano-layer between the Si layer and the metal layer. The field enhancement in the nano-layer provides a nano-scale confinement of the optical field (e.g., 50nm × 5nm) when operates at the optical wavelength λ = 1550nm. The theoretical investigation also shows that the present hybrid plasmonic waveguide has a low loss and consequently a relatively long propagation distance (on the order of several tens of λ).

© 2009 OSA

OCIS Codes
(130.2790) Integrated optics : Guided waves
(240.6680) Optics at surfaces : Surface plasmons
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optics at Surfaces

History
Original Manuscript: June 23, 2009
Revised Manuscript: August 20, 2009
Manuscript Accepted: August 31, 2009
Published: September 3, 2009

Citation
Daoxin Dai and Sailing He, "A silicon-based hybrid plasmonic waveguide with a metal cap for a nano-scale light confinement," Opt. Express 17, 16646-16653 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-19-16646


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