Femtosecond superradiance in semiconductor lasers: anomalous internal second-harmonic generation

被引：1

作者：

Vasil'ev, P. P. ^{[1
,2
]}

Putilin, A. N. ^{[1
]}

Sergeev, A. B. ^{[1
]}

机构：

[1] Russian Acad Sci, PN Lebedev Phys Inst, Leninsky Prosp 53, Moscow 119991, Russia

[2] Univ Cambridge, Ctr Photon Syst, 9 JJ Thomson Ave, Cambridge CB3 0FA, England

来源：

QUANTUM ELECTRONICS | 2016年 / 46卷 / 10期

关键词：

superradiance; femtosecond pulses; second-harmonic generation; HARMONIC-GENERATION; ROOM-TEMPERATURE; GAAS;

D O I：

10.1070/QEL16197

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The emission of anomalously bright blue light under internal doubling of the frequency of femtosecond superradiance pulses in the active medium of semiconductor GaAs/AlGaAs laser heterostructures has been experimentally found. The efficiency of the internal second-harmonic generation is an order of magnitude higher than in the conventional lasing regime. This effect is due to the formation of a transient ordered state of electrons and holes under superradiance, occurrence of dynamic coherent population lattices, and periodic modulation of the nonlinear susceptibility of the medium.

引用

页码：888 / 890

页数：3

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