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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 36 — Dec. 20, 2010
  • pp: 6868–6871

Cylindrical hybrid plasmonic waveguide for subwavelength confinement of light

Daru Chen  »View Author Affiliations


Applied Optics, Vol. 49, Issue 36, pp. 6868-6871 (2010)
http://dx.doi.org/10.1364/AO.49.006868


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Abstract

A novel cylindrical hybrid plasmonic waveguide is proposed to achieve subwavelength confinement of light. With a metal core surrounded by a silica layer and a silicon layer, the proposed cylindrical hybrid plasmonic waveguide can achieve a ring-structure mode profile at the operating wavelength ( 1550 nm ). Most mode power locates in the silica layer with a nanoscale thickness (e.g., 50, 20, or even 5 nm ), which is due to the effects of both a strong discontinuity of the normal component of the electric field at the silicon–silica interface and the exited surface plasmon wave at the silica–metal interface. Cylindrical hybrid plasmonic waveguides with different structure parameters are investigated and a relatively long propagation distance of tens of micrometers (or even hundreds of micrometers) is observed.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optics at Surfaces

History
Original Manuscript: April 26, 2010
Revised Manuscript: June 25, 2010
Manuscript Accepted: July 10, 2010
Published: December 14, 2010

Citation
Daru Chen, "Cylindrical hybrid plasmonic waveguide for subwavelength confinement of light," Appl. Opt. 49, 6868-6871 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-36-6868

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