Applied Physics Letters, volume 110, issue 4, pages 41106
Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas
1
James Franck Institute , 929 E. 57th Street, Chicago, Illinois 60637, USA
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Publication type: Journal Article
Publication date: 2017-01-23
Journal:
Applied Physics Letters
Q1
Q2
SJR: 0.976
CiteScore: 6.4
Impact factor: 3.5
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
We report the fabrication of a colloidal quantum dot based photodetector designed for the 3–5 μm mid infrared wavelength range incorporated with optical nano-antenna arrays to enhance the photocurrent. The fabricated arrays exhibit a resonant behavior dependent on the length of the nano-antenna rods, in good agreement with numerical simulation. The device exhibits a three-fold increase in the spectral photoresponse compared to a photodetector device without antennas, and the resonance is polarized parallel to the antenna orientation. We numerically estimate the device quantum efficiency and investigate its bias dependence.
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Yifat Y., Ackerman M., Guyot-Sionnest P. Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas // Applied Physics Letters. 2017. Vol. 110. No. 4. p. 41106.
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Yifat Y., Ackerman M., Guyot-Sionnest P. Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas // Applied Physics Letters. 2017. Vol. 110. No. 4. p. 41106.
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TY - JOUR
DO - 10.1063/1.4975058
UR - https://doi.org/10.1063/1.4975058
TI - Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas
T2 - Applied Physics Letters
AU - Yifat, Yuval
AU - Ackerman, Matthew
AU - Guyot-Sionnest, Philippe
PY - 2017
DA - 2017/01/23
PB - AIP Publishing
SP - 41106
IS - 4
VL - 110
SN - 0003-6951
SN - 1077-3118
ER -
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BibTex (up to 50 authors)
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@article{2017_Yifat,
author = {Yuval Yifat and Matthew Ackerman and Philippe Guyot-Sionnest},
title = {Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas},
journal = {Applied Physics Letters},
year = {2017},
volume = {110},
publisher = {AIP Publishing},
month = {jan},
url = {https://doi.org/10.1063/1.4975058},
number = {4},
pages = {41106},
doi = {10.1063/1.4975058}
}
Cite this
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Yifat, Yuval, et al. “Mid-IR colloidal quantum dot detectors enhanced by optical nano-antennas.” Applied Physics Letters, vol. 110, no. 4, Jan. 2017, p. 41106. https://doi.org/10.1063/1.4975058.