DocumentCode
794613
Title
Travelling wave distributed photodetectors with backward wave cancellation for improved AC efficiency
Author
Murthy, S. ; Jung, T. ; Wu, M.C. ; Sivco, D.L. ; Cho, A.Y.
Author_Institution
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
Volume
38
Issue
15
fYear
2002
fDate
7/18/2002 12:00:00 AM
Firstpage
827
Lastpage
829
Abstract
In travelling wave distributed photodetectors, half the photocurrent generated in each individual photodiode is lost in the input termination. Here, a multi-section transmission line for cancellation of the backward travelling wave to achieve up to 6 dB improvement in the RF magnitude response without any bandwidth reduction is proposed and demonstrated
Keywords
III-V semiconductors; aluminium compounds; coplanar transmission lines; gallium arsenide; indium compounds; photodetectors; AC efficiency; DC responsivity; InAlGaAs; InAlGaAs system; RF magnitude response; backward wave cancellation; dissimilar coplanar strips; input termination; multi-section transmission line; photocurrent generation; travelling wave distributed photodetectors;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20020532
Filename
1021869
Link To Document