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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 26 — Dec. 26, 2005
  • pp: 10795–10800

Surface plasmon polariton propagation and combination in Y-shaped metallic channels

Hongtao Gao, Haofei Shi, Changtao Wang, Chunlei Du, Xiangang Luo, Qiling Deng, Yaoguang Lv, Xiangdi Lin, and Hanmin Yao  »View Author Affiliations


Optics Express, Vol. 13, Issue 26, pp. 10795-10800 (2005)
http://dx.doi.org/10.1364/OPEX.13.010795


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Abstract

The propagation and combination of surface plasmon polaritons (SPPs) in Y-shaped metallic nanochannels are investigated numerically via finite difference time domain (FDTD). It is shown that the behavior of SPPs in nano-size channels resembles that of light guiding in conventional waveguides, and SPPs can also be combined effectively with appropriately designed structures. The loss associated with metal absorption and scattering with the multiple reflections between slit openings on the bend angle are analyzed numerically. The Fabry–Perot cavity effect displayed by SPPs traveling in channels with finite length is discussed as well.

© 2005 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.7380) Optical devices : Waveguides, channeled
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Research Papers

Citation
Hongtao Gao, Haofei Shi, Changtao Wang, Chunlei Du, Xiangang Luo, Qiling Deng, Yaoguang Lv, Xiangdi Lin, and Hanmin Yao, "Surface plasmon polariton propagation and combination in Y-shaped metallic channels," Opt. Express 13, 10795-10800 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-26-10795


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