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Proceedings Paper

Surface plasmon enhanced optoelectronics
Author(s): Pierre Berini
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Paper Abstract

Metallic nanostructures can be designed to operate effectively as a coupling structure for incident beams to surface plasmon polaritons (SPPs). On a semiconductor, metal nanostructures can act simultaneously as a device electrode while ensuring strong optical field overlap with the active region. Additionally, SPP fields can be confined to sub-wavelength dimensions and significantly enhanced relative to the exciting field. These features are very attractive for nano-scale optoelectronic devices such as photodetectors as the excitation of SPPs alters conventional trade-offs between responsivity and speed respectively. This is due to the facts that sub-wavelength confinement enables the active region to be shrunk to nano-scale dimensions yet good optoelectronic performance can be maintained due to the SPP field enhancement. In this paper we discuss recent progress on surface plasmon enhanced photodetectors.

Paper Details

Date Published: 25 September 2014
PDF: 5 pages
Proc. SPIE 9288, Photonics North 2014, 928819 (25 September 2014); doi: 10.1117/12.2081400
Show Author Affiliations
Pierre Berini, Univ. of Ottawa (Canada)

Published in SPIE Proceedings Vol. 9288:
Photonics North 2014
Steve MacLean; David V. Plant, Editor(s)

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