DocumentCode
3006229
Title
Enhancing Infrared Photodetection with a Circular Metal Grating
Author
Bhat, Ravi D R ; Panoiu, Nicolae C. ; Osgood, Richard M. ; Brueck, Steven R J
Author_Institution
Columbia Univ., New York
fYear
2007
fDate
6-11 May 2007
Firstpage
1
Lastpage
2
Abstract
We use finite-difference time-domain simulations to demonstrate enhanced infrared absorption in a photodetector topped with a metal film having a hole and a circular grating. The enhancement far exceeds comparable linear gratings.
Keywords
diffraction gratings; finite difference time-domain analysis; infrared detectors; integrated optoelectronics; light absorption; optical films; photodetectors; circular metal grating; finite-difference time-domain simulations; infrared absorption; infrared photodetection enhancement; linear gratings comparison; metal film photodetector; Dielectric substrates; Electromagnetic wave absorption; Finite difference methods; Gratings; Optical films; Optical surface waves; Photodetectors; Plasmons; Surface waves; Time domain analysis;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location
Baltimore, MD
Print_ISBN
978-1-55752-834-6
Type
conf
DOI
10.1109/CLEO.2007.4452668
Filename
4452668
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