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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 2808–2813

Hybrid plasmonic waveguide for low-loss lightwave guiding

Jin Tae Kim, Jung Jin Ju, Suntak Park, Min-su Kim, Seung Koo Park, and Sang-Yung Shin  »View Author Affiliations


Optics Express, Vol. 18, Issue 3, pp. 2808-2813 (2010)
http://dx.doi.org/10.1364/OE.18.002808


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Abstract

A hybrid plasmonic waveguide structure is proposed and fabricated for low-loss lightwave guiding along a metal stripe core. By embedding Au stripe in dual slab waveguides with high refractive-index contrast, the field of the guided mode is confined more in the two dielectric core layers. Thus, the propagation loss is significantly reduced. The guided mode is like a combination of a fundamental long-range surface plasmon polariton strip mode and a dual symmetric dielectric slab mode. We fabricate 5 nm-thick Au stripe optical waveguides and measure the optical properties at a wavelength of 1.31 µm. The propagation loss is less than 1.0 dB/cm with the metal stripe width of 1–5 μm.

© 2010 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Integrated Optics

History
Original Manuscript: November 30, 2009
Revised Manuscript: December 30, 2009
Manuscript Accepted: January 20, 2010
Published: January 26, 2010

Citation
Jin Tae Kim, Jung Jin Ju, Suntak Park, Min-su Kim, Seung Koo Park, and Sang-Yung Shin, "Hybrid plasmonic waveguide for low-loss lightwave guiding," Opt. Express 18, 2808-2813 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2808


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References

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