Electromagnetic modeling and optimization of photoconductive switches for terahertz generation and photocurrent transient spectroscopy

2011 ◽  
Author(s):  
Heinrich Diesinger ◽  
Majid Panahandeh-Fard ◽  
Dominique Baillargeat ◽  
Cesare Soci
Keyword(s):  
Terahertz Generation ◽  
Electromagnetic Modeling ◽  
Modeling And Optimization ◽  
Photoconductive Switches ◽  
Transient Spectroscopy

scholarly journals Enhancing photocurrent transient spectroscopy by electromagnetic modeling

2012 ◽  
Vol 83 (5) ◽  
pp. 053103 ◽  
Author(s):  
H. Diesinger ◽  
M. Panahandeh-Fard ◽  
Z. Wang ◽  
D. Baillargeat ◽  
C. Soci
Keyword(s):  
Electromagnetic Modeling ◽  
Transient Spectroscopy

Persistent Photoconductivity And Thermal Recovery Kinetics Of Low Energy Ar + Bombarded GaAs

1991 ◽  
Vol 223 ◽  
Author(s):  
A. Vaseashta ◽  
L. C. Burton
Keyword(s):  
Deep Level Transient Spectroscopy ◽  
Deep Level ◽  
Thermal Recovery ◽  
Low Energy ◽  
Persistent Photoconductivity ◽  
Transport Parameters ◽  
Excellent Correlation ◽  
Proposed Model ◽  
Transient Spectroscopy ◽  
Kinetics Of

ABSTRACTKinetics of persistent photoconductivity, photoquenching, and thermal and optical recovery observed in low energy Ar+ bombarded on (100) GaAs surfaces have been investigated. Rate and transport equations for these processes were derived and simulated employing transport parameters, trap locations and densities determined by deep level transient spectroscopy. Excellent correlation was obtained between the results of preliminary simulation and the experimentally observed values. The exponential decay of persistent photoconductivity response curve was determined to be due to metastable electron traps with longer lifetime and is consistent with an earlier proposed model.

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