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Proceedings Paper

InP- and graphene-based grating-gated transistors for tunable THz and mm-wave detection
Author(s): R. E. Peale; Nima Nader Esfahani; Christopher J. Fredricksen; Gautam Medhi; Justin W. Cleary; Joshua Hendrickson; Walter R. Buchwald; Himanshu Saxena; Oliver J. Edwards; Michael S. Lodge; Ben D. Dawson; M. Ishigami
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Paper Abstract

Tunable resonant absorption by plasmons in the two-dimensional electron gas (2DEG) of grating-gated HEMTs is known for a variety of semiconductor systems, giving promise of chip-scale frequency-agile THz imaging spectrometers. We present our calculations of transmission spectra and resonant photoresponse due to plasmons in InPand graphene-based HEMTs at millimeter and THz wavelengths. Our experimental approach to measurement of electrical response is also described. Potential applications include man-portable or space-based spectral-sensing.

Paper Details

Date Published: 1 September 2011
PDF: 8 pages
Proc. SPIE 8164, Nanophotonics and Macrophotonics for Space Environments V, 816408 (1 September 2011); doi: 10.1117/12.893833
Show Author Affiliations
R. E. Peale, Univ. of Central Florida (United States)
Nima Nader Esfahani, Univ. of Central Florida (United States)
Christopher J. Fredricksen, Univ. of Central Florida (United States)
Gautam Medhi, Univ. of Central Florida (United States)
Justin W. Cleary, Air Force Research Lab. (United States)
Joshua Hendrickson, Air Force Research Lab. (United States)
Walter R. Buchwald, Solid State Scientific Corp. (United States)
Himanshu Saxena, Zyberwear Inc. (United States)
Oliver J. Edwards, Zyberwear Inc. (United States)
Michael S. Lodge, Univ. of Central Florida (United States)
Ben D. Dawson, Univ. of Central Florida (United States)
M. Ishigami, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 8164:
Nanophotonics and Macrophotonics for Space Environments V
Edward W. Taylor; David A. Cardimona, Editor(s)

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