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Browse Journals & Magazines > Applied Physics Letters ...> Volume:98 Issue:7 Help

Numerical simulations of space charge waves in InP films and microwave frequency conversion under negative differential conductivity

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2 Author(s)
Garcia-Barrientos, Abel ; Department of Mechatronics, Polytechnic University of Pachuca (UPP), Km. 20 Carretera Pachuca-Cd. Sahagun, Ex-Hacienda de Santa Barbará, 43830 Pachuca, Hidalgo, Mexico ; Palankovski, Vassil

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Numerical simulations of amplification and propagation of space charge waves in InP films is investigated theoretically. A microwave frequency conversion using the negative differential conductivity phenomenon is carried out when the harmonics of the input signal are generated. An increment in the amplification is observed in n-InP films at essentially higher frequencies f<70 GHz, when compared with n-GaAs films f<44 GHz. This work provides a way to achieve a frequency conversion and amplification of micrometer and millimeter waves.

Published in:
Applied Physics Letters  (Volume:98 ,  Issue: 7 )

Date of Publication: Feb 2011

Page(s):
072110 - 072110-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3555467
Product Type:
Journals & Magazines
Date of Current Version :
22 February 2011
Issue Date :
Feb 2011

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