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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 10 — May. 15, 2006
  • pp: 4494–4503

Compact gradual bends for channel plasmon polaritons

Valentyn S. Volkov, Sergey I. Bozhevolnyi, Eloïse Devaux, and Thomas W. Ebbesen  »View Author Affiliations


Optics Express, Vol. 14, Issue 10, pp. 4494-4503 (2006)
http://dx.doi.org/10.1364/OE.14.004494


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Abstract

We report the design, fabrication and characterization of compact gradual bends for channel plasmon polaritons (CPPs) being excited at telecom wavelengths. We obtain high-quality near-field optical images of CPP modes propagating along a bent V-groove in gold, which indicate good CPP mode confinement in the groove and efficient guiding around the compact S-bend connecting two 5-µm-offset grooves over a distance of 5 µm. Using averaged cross sections of the CPP intensity distributions before and after the S-bend, the total bend loss is evaluated and found to be close to 2.3 dB for the wavelengths in the range of 1430-1640 nm.

© 2006 Optical Society of America

OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(230.7380) Optical devices : Waveguides, channeled
(240.6680) Optics at surfaces : Surface plasmons
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optics at Surfaces

History
Original Manuscript: March 13, 2006
Revised Manuscript: April 25, 2006
Manuscript Accepted: April 26, 2006
Published: May 15, 2006

Citation
Valentyn S. Volkov, Sergey I. Bozhevolnyi, Eloïse Devaux, and Thomas W. Ebbesen, "Compact gradual bends for channel plasmon polaritons," Opt. Express 14, 4494-4503 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-10-4494


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