FEMTOSECOND MEASUREMENTS OF THE NONRESONANT NONLINEAR INDEX IN ALGAAS

被引：76

作者：

LAGASSE, MJ ^{[1
]}

ANDERSON, KK ^{[1
]}

WANG, CA ^{[1
]}

HAUS, HA ^{[1
]}

FUJIMOTO, JG ^{[1
]}

机构：

[1] MIT,ELECTR RES LAB,CAMBRIDGE,MA 02139

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 05期

关键词：

D O I：

10.1063/1.102798

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Time-division interferometry with 430 fs tunable laser pulses is used for direct femtosecond measurements of the wavelength dependence of the nonresonant nonlinear index of refraction, n2, in AlGaAs waveguides at room temperature. Below band-gap n2 values of ∼10-12 cm2/W are observed with resonant enhancement as the laser wavelength is tuned toward the band edge.

引用

页码：417 / 419

页数：3

共 23 条

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