Strong coherent gain from semiconductor microcavities in the regime of excitonic saturation

被引：23
作者：
Quochi, F [1 ]
Ciuti, C
Bongiovanni, G
Mura, A
Saba, M
Oesterle, U
Dupertuis, MA
Staehli, JL
Deveaud, B
机构：
[1] Swiss Fed Inst Technol, Dept Phys, PH Ecublens, CH-1015 Lausanne, Switzerland
[2] Univ Cagliari, Dipartimento Fis, I-09042 Monserrato, CA, Italy
[3] Univ Cagliari, Ist Nazl Fis Mat, I-09042 Monserrato, CA, Italy
[4] Swiss Fed Inst Technol, Dept Phys, CH-1015 Lausanne, Switzerland
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 24期
关键词：
D O I：
10.1103/PhysRevB.59.R15594
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present femtosecond gain measurements in microcavity-embedded quantum wells. When the excitonic transition is saturated by an intense pump field, the spectrum measured with a weak probe pulse is strongly modulated by pump-probe wave mixing processes. A giant probe amplification occurs within the bandwidth of the empty-cavity mode. The optical feedback provided by the microcavity is responsible for a net gain of the broadband probe pulse. [S0163-1829(99)50424-4].
引用
收藏
页码：R15594 / R15597
页数：4
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