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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11822–11833

Numerical Simulations of a Surface Plasmonic Waveguide with three circular air cores

Ya-nan Guo, Wenrui Xue, Rongcao Yang, and Wenmei Zhang  »View Author Affiliations


Optics Express, Vol. 17, Issue 14, pp. 11822-11833 (2009)
http://dx.doi.org/10.1364/OE.17.011822


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Abstract

In this paper, a kind of surface plasmonic waveguide (SPW) with three circular air cores is presented. Based on the finite-difference frequency-domain (FDFD) method, dependence of the distribution of energy flux density, effective index, propagation length and mode area of the fundamental mode on the geometrical parameters and the working wavelengths is analyzed firstly. Then, comparison with the SPW which was proposed in our previous work has been carried out. Results show that this kind of three cores structure has better propagation properties than the double cores structure. To investigate the relative advantages of this kind of SPW over other previous reported SPWs, comparison with the SPW with a single wedge has been carried out. Results show that this kind of SPW has shorter propagation length and larger mode area. Finally, the possibility to overcome the large propagation loss by using a gain medium as core material is investigated. Since the propagation properties can be adjusted by the geometrical and electromagnetic parameters, this kind of surface plasmonic waveguide can be applied to the field of photonic components in the integrated optical circuits and sensors.

© 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: April 30, 2009
Revised Manuscript: June 5, 2009
Manuscript Accepted: June 14, 2009
Published: June 29, 2009

Citation
Ya-nan Guo, Wenrui Xue, Rongcao Yang, and Wenmei Zhang, "Numerical Simulations of a Surface 
Plasmonic Waveguide with three circular 
air cores," Opt. Express 17, 11822-11833 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-14-11822


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