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Applied Physics Letters / Volume 93 / Issue 11 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 93, 111102 (2008); http://dx.doi.org/10.1063/1.2982083 (3 pages)

Polarization-dependent coupling to plasmon modes on submicron gold wire in photonic crystal fiber

H. W. Lee1,2, M. A. Schmidt1, H. K. Tyagi1, L. Prill Sempere1, and P. St. J. Russell1

1Max-Planck Research Group (IOIP), University of Erlangen-Nuremberg, 91058 Erlangen, Germany
2Department of Electronic Engineering, City University of Hong Kong, Hong Kong, China

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(Received 23 July 2008; accepted 20 August 2008; published online 15 September 2008)

We present experimental results on coupling to surface plasmon modes on gold nanowires selectively introduced into polarization-maintaining photonic crystal fibers. Highly polarization- and wavelength-dependent transmission is observed. In one sample 24.5 mm long, the transmission on and off resonance differs by as much as 45 dB. Near-field optical images of the light emerging from such a gold-filled fiber show light guided on the wire at surface plasmon resonances. Finite element simulations are in good agreement with the experimental results. These gold-filled fibers can be potentially used as in-fiber wavelength-dependent filters and polarizers and as near-field tips for sub-wavelength-scale imaging.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

finite element analysis, gold, nanowires, photonic crystals, surface plasmon resonance

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2982083

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    E. Finlayson, A. Amerzcuz-Correa, P. J. A. Sazio, N. F. Baril, and J. V. Badding, Appl. Phys. Lett. 90, 132110 (2007)APPLAB000090000013132110000001.

    M. A. Schmidt, L. N. Prill Sempere, H. K. Tyagi, C. G. Poulton, and P. St. J. Russell, Phys. Rev. B 77, 033417 (2008).


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