From exciton resonance to frequency mixing in GaAs multiple quantum wells

被引：10

作者：

Ahn, YH

Yahng, JS

Sohn, JY

Yee, KJ

Hohng, SC

Woo, JC

Kim, DS ^{[1
]}

Meier, T

Koch, SW

Lim, YS

Kim, EK

机构：

[1] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea

[2] Univ Marburg, Fachbereich Phys, D-35032 Marburg, Germany

[3] Univ Marburg, Wissensch Zentrum Mat Wissensch, D-35032 Marburg, Germany

[4] Konkuk Univ, Dept Appl Phys, Chungbook 380701, South Korea

[5] KIST, Seoul 136791, South Korea

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.82.3879

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Frequency mixing (2 omega(1) - omega(2)) is demonstrated in femtosecond nondegenerate four-wave mixing (FWM) on GaAs multiple quantum wells using two synchronized, independently tunable lasers. The frequency mixing component in the spectrally resolved FWM coexists with the exciton resonance, and it dominates over the exciton component at high intensity and high detuning. This off-resonant component is present only for delays smaller than the temporal pulse width, whereas the resonant exciton component survives for longer delays.

引用

页码：3879 / 3882

页数：4

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