SEQUENTIAL VERSUS COHERENT TUNNELING IN DOUBLE-BARRIER DIODES INVESTIGATED BY DIFFERENTIAL ABSORPTION-SPECTROSCOPY

被引：15
|
作者：
WOODWARD, TK [1 ]
CHEMLA, DS [1 ]
BARJOSEPH, I [1 ]
BARANGER, HU [1 ]
SIVCO, DL [1 ]
CHO, AY [1 ]
机构：
[1] WEIZMANN INST SCI,IL-76100 REHOVOT,ISRAEL
来源：
PHYSICAL REVIEW B | 1991年 / 44卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.44.1353
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have used differential absorption spectroscopy to measure charge distributions in the quantum wells of several double-barrier diodes. We find that the ratio of the stored charge to the current is not equal to the coherent-state lifetime and is basically insensitive to the amount of scattering. We experimentally demonstrate that phase-breaking collisions take place in our structures by observing the energy distribution of the stored charge in both single- and double-resonance structures.
引用
收藏
页码：1353 / 1356
页数：4
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