FEMTOSECOND-PULSE DISTORTION IN QUANTUM-WELLS

被引：63

作者：

KIM, DS

SHAH, J

MILLER, DAB

DAMEN, TC

SCHAFER, W

PFEIFFER, L

机构：

[1] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, HOCHSTLEISTUNGSRECHENZENTRUM, W-5170 JULICH, GERMANY

[2] AT&T BELL LABS, MURRAY HILL, NJ 07974 USA

来源：

PHYSICAL REVIEW B | 1993年 / 48卷 / 24期

关键词：

D O I：

10.1103/PhysRevB.48.17902

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We show that a low-intensity femtosecond pulse is severely distorted while propagating through a relatively thin (<7000 ($) over circle A) GaAs multiple-quantum-well sample and that this pulse distortion depends critically on the dephasing time T-2 and the total thickness l. An interferometric measurement reveals the existence of well-defined nodes at which the envelope function changes its sign. This pulse distortion significantly affects femtosecond experiments such as pump-probe or four-wave-mixing experiments.

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收藏

页码：17902 / 17905

页数：4

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