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Simulation of fluence-dependent photocurrent in terahertz photoconductive receivers

Abstract:

A semi-classical Monte Carlo simulation of carrier dynamics in photoconductive detectors of terahertz (THz) radiation is presented. We have used this simulation to elucidate the importance of carrier trapping in the operation of photoconductive detectors. Simulations of the detection of single-cycle THz pulses by photoconductive antennas based on GaAs with trap densities between 2 × 10 17 and 2 × 10 18 cm 3 are presented. We show that the high frequency (>1 THz) spectral response of photoc...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
SEMICONDUCTOR SCIENCE AND TECHNOLOGY More from this journal
Volume:
27
Issue:
11
Pages:
115011-115011
Publication date:
2012-11-01
DOI:
EISSN:
1361-6641
ISSN:
0268-1242
Language:
English
Pubs id:
pubs:359676
UUID:
uuid:8f05de64-fa40-4b49-86f3-6eb4f3c8059d
Local pid:
pubs:359676
Source identifiers:
359676
Deposit date:
2013-11-16

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