Parallel operation and crosstalk measurements in GaAs e´talon optical logic devices
作者:
J. L. Jewell,
Y. H. Lee,
J. F. Duffy,
A. C. Gossard,
W. Wiegmann,
期刊:
Applied Physics Letters
(AIP Available online 1986)
卷期:
Volume 48,
issue 20
页码: 1342-1344
ISSN:0003-6951
年代: 1986
DOI:10.1063/1.96955
出版商: AIP
数据来源: AIP
摘要:
We report the first parallel operation of GaAs optical logic elements and bistable devices. Arrays up to 2×4 in size were operated using a picosecond pump and probe technique, while in the bistable mode we achieved uniform response in two spots. Crosstalk due to carrier diffusion became noticeable at separations of typically ∼20–30 &mgr;m in the bistable devices. Pulsed operation at 82 MHz allowed separations down to ∼10 &mgr;m limited only by diffraction. Efficient heat sinking in the pulsed array resulted in negligible heating even when continually operated for many minutes. All experiments were performed at room temperature.
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