Open AccessSi/Ge uni-traveling carrier photodetector
Author(s) -
Molly Piels,
John E. Bowers
Publication year - 2012
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.007488
Subject(s) - photodetector , photocurrent , germanium , materials science , optics , optoelectronics , silicon , bandwidth (computing) , optical communication , physics , telecommunications , computer science
We have fabricated and characterized a germanium on silicon uni-traveling carrier photodetector for analog and coherent communications applications. The device has a bandwidth of 20GHz, a large-signal 1dB saturation photocurrent of 20mA at -3V, and a low thermal impedance of 520K/W.
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