ULTRAFAST COHERENT CONTROL AND DESTRUCTION OF EXCITONS IN QUANTUM-WELLS

被引：357

作者：

HEBERLE, AP ^{[1
]}

BAUMBERG, JJ ^{[1
]}

KOHLER, K ^{[1
]}

机构：

[1] FRAUNHOFER INST APPL SOLID STATE PHYS,D-79108 FREIBURG,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.75.2598

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the coherent destruction of photogenerated excitons in semiconductor quantum wells within a few hundred femtoseconds of their excitation. Coherent control of carrier dynamics is achieved with phase-locked pairs of 100 fs infrared pulses. The technique induces an optical response which is faster than the inverse of the exciton linewidth superseding Fourier limits for a single pulse. Energy selectivity enables the coherent transfer of angular momentum between hole states. Such phase-tailored pulse trains can be utilized to investigate the generation process and intermediate virtual states in quantum structures.

引用

页码：2598 / 2601

页数：4

共 17 条

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