RESONANT HARMONIC-GENERATION AND DYNAMIC SCREENING IN A DOUBLE-QUANTUM-WELL

被引：99

作者：

HEYMAN, JN ^{[1
]}

CRAIG, K ^{[1
]}

GALDRIKIAN, B ^{[1
]}

SHERWIN, MS ^{[1
]}

CAMPMAN, K ^{[1
]}

HOPKINS, PF ^{[1
]}

FAFARD, S ^{[1
]}

GOSSARD, AC ^{[1
]}

机构：

[1] UNIV CALIF SANTA BARBARA, DEPT MAT, SANTA BARBARA, CA 93106 USA

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.72.2183

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Second- and third-harmonic generation are observed in a semiconductor heterostructure which approximates a two-state system with an 11-meV level spacing. A resonance in the second- (third-) harmonic generation is found when the depolarization-shifted infrared absorption peak is Stark tuned through 2 (3) times the pump frequency. These resonances are thus associated with the depolarization-shifted, and not the bare, intersubband energy. Data are analyzed with a theory of second-harmonic generation including dynamic screening. Saturation is observed at pump intensities > 10 kW/cm2.

引用

页码：2183 / 2186

页数：4

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