GUNN OSCILLATIONS UP TO 20 GHZ OPTICALLY INDUCED IN GAAS/ALAS SUPERLATTICE

被引：41
|
作者：
LEPERSON, H [1 ]
MINOT, C [1 ]
BONI, L [1 ]
PALMIER, JF [1 ]
MOLLOT, F [1 ]
机构：
[1] CNRS,L2M,F-92225 BAGNEUX,FRANCE
来源：
APPLIED PHYSICS LETTERS | 1992年 / 60卷 / 19期
关键词：
D O I：
10.1063/1.106984
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Direct observation of Gunn oscillations up to 20 GHz, induced by picosecond light pulses in an undoped GaAs/AlAs superlattice, is reported. They are obtained in the superlattice growth direction and from 7 K up to room temperature. The frequency is strongly dependent on the applied bias voltage and on the photoexcited carrier density. The oscillation frequency and the mode of operation are modeled by a classical numerical simulation.
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收藏
页码：2397 / 2399
页数：3
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