DocumentCode
689199
Title
Pulsed and CW IR detection in wide-gap semiconductors using extremely nondegenerate two-photon absorption
Author
Pattanaik, Himansu S. ; Fishman, Dmitry A. ; Hagan, David J. ; Van Stryland, Eric W.
Author_Institution
Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL, USA
fYear
2013
fDate
9-14 June 2013
Firstpage
1
Lastpage
2
Abstract
We detect both pulsed and CW IR light using uncooled GaN or GaAs photodiodes using extremely-nondegenerate two-photon-absorption (2PA) which shows large enhancement over degenerate 2PA. Urbach-tail absorption limits the signal-to-noise ratio for CW detection.
Keywords
III-V semiconductors; gallium arsenide; infrared detectors; infrared spectra; light absorption; optical noise; photodetectors; photodiodes; quantum optics; two-photon processes; wide band gap semiconductors; GaAs; GaN; continuous wave infrared light detection; extremely nondegenerate two-photon absorption; gallium arsenide photodiodes; gallium nitride photodiodes; pulsed infrared light detection; signal-to-noise ratio; wide-gap semiconductors; Absorption; Gallium arsenide; Gallium nitride; Laser beams; Logic gates; Power lasers; Semiconductor lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location
San Jose, CA
Type
conf
Filename
6833581
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