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Jun, Young Chul
Laboratory of Nanophotonics & Metamaterials (NanoMeta)
Research Interests
  • Nanophotonics, plasmonics, metamaterials, 4D printing, programmable matter, smart materials

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Polarization-dependent photocurrent enhancement, Cross Mark in metamaterial-coupled quantum dots-in-a-well infrared detectors

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Title
Polarization-dependent photocurrent enhancement, Cross Mark in metamaterial-coupled quantum dots-in-a-well infrared detectors
Author
Sharma, Yagya D.Jun, Young ChulKim, Jun OhBrener, IgalKrishna, Sanjay
Keywords
Metamaterial; Plasmonic field enhancement; Infrared photodetectors; PHOTODETECTORS; ANTENNA; LIGHT
Issue Date
2014-02
Publisher
ELSEVIER SCIENCE BV
Citation
OPTICS COMMUNICATIONS, v.312, no., pp.31 - 34
Abstract
We demonstrate polarization-dependent photo-response enhancement in metamaterial-coupled quantum dots in a well infrared detectors. A gold split-ring resonator metamaterial layer was patterned by electronbeam lithography in the detector aperture. In this integrated structure, the detector spectral response is given by the convolution of the metamaterial Field enhancement and the original detector response. Our polarization-resolved measurement unambiguously shows that the spectral response can be strongly modified by metamaterial patterning. When the metamaterial resonance matches the QD absorption peak, we obtain a clear enhancement of generated photocurrent Various metamaterial designs can be employed to implement multi-functional detector structures. (c) 2013 The Authors. Published by Elsevier B.V. All rights reserved
URI
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DOI
10.1016/j.optcom.2013.09.010
ISSN
0030-4018
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MSE_Journal Papers
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