Open Access
Proceedings of SPIE - The International Society for Optical Engineering
Room temperature SWIR sensing from colloidal quantum dot photodiode arrays
Ethan Klem
1
,
Jay Lewis
1
,
Chris Gregory
1
,
Garry Cunningham
1
,
Dorota Temple
1
,
Arvind D’Souza
2
,
Ernest Robinson
2
,
P. S. Wijewarnasuriya
3
,
Nibir Dhar
4
1
RTI International, United States
|
2
DRS Sensors & Targeting Systems, Inc. (United States)
|
3
U.S. Army Research Lab (United States)
|
4
DARPA/MTO (United States)
|
Publication type: Proceedings Article
Publication date: 2013-06-18
Quartile SCImago
— Quartile WOS
—
Impact factor: —
ISSN: 0277786X, 1996756X
Abstract
While InGaAs-based focal plane arrays (FPAs) provide excellent detectivity and low noise for SWIR imaging applications, wider scale adoption of systems capable of working in this spectral range is limited by high costs, limited spectral response, and costly integration with Si ROIC devices. RTI has demonstrated a novel photodiode technology based on IR-absorbing solution-processed PbS colloidal quantum dots (CQD) that can overcome these limitations of InGaAs FPAs. The most significant advantage of the CQD technology is ease of fabrication. The devices can be fabricated directly onto the ROIC substrate at low temperatures compatible with CMOS, and arrays can be fabricated at wafer scale. Further, device performance is not expected to degrade significantly with reduced pixel size. We present results for upward-looking detectors fabricated on Si substrates with sensitivity from the UV to ~1.7 µm. We further show devices fabricated with larger size CQDs that exhibit spectral sensitivity that extends from UV to 2 µm.
Top-30
Citations by journals
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1
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Nature Photonics
1 publication, 25%
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Doklady Physics
1 publication, 25%
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Russian Chemical Reviews
1 publication, 25%
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1
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Citations by publishers
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1
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Springer Nature
1 publication, 25%
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Pleiades Publishing
1 publication, 25%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 25%
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1
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- We do not take into account publications without a DOI.
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- Statistics recalculated weekly.
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Klem E. et al. Room temperature SWIR sensing from colloidal quantum dot photodiode arrays // Proceedings of SPIE - The International Society for Optical Engineering. 2013.
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Klem E., Lewis J., Gregory C., Cunningham G., Temple D., D’Souza A., Robinson E., Wijewarnasuriya P. S., Dhar N. Room temperature SWIR sensing from colloidal quantum dot photodiode arrays // Proceedings of SPIE - The International Society for Optical Engineering. 2013.
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TY - CPAPER
DO - 10.1117/12.2019521
UR - https://doi.org/10.1117/12.2019521
TI - Room temperature SWIR sensing from colloidal quantum dot photodiode arrays
T2 - Proceedings of SPIE - The International Society for Optical Engineering
AU - Klem, Ethan
AU - Lewis, Jay
AU - Gregory, Chris
AU - Cunningham, Garry
AU - Temple, Dorota
AU - D’Souza, Arvind
AU - Robinson, Ernest
AU - Wijewarnasuriya, P. S.
AU - Dhar, Nibir
PY - 2013
DA - 2013/06/18 00:00:00
PB - SPIE
SN - 0277-786X
SN - 1996-756X
ER -
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@inproceedings{2013_Klem,
author = {Ethan Klem and Jay Lewis and Chris Gregory and Garry Cunningham and Dorota Temple and Arvind D’Souza and Ernest Robinson and P. S. Wijewarnasuriya and Nibir Dhar},
title = {Room temperature SWIR sensing from colloidal quantum dot photodiode arrays},
year = {2013},
month = {jun},
publisher = {SPIE}
}