2-PHOTON ABSORPTION AND SELF-PHASE MODULATION IN INGAASP/INP MULTI-QUANTUM-WELL WAVE-GUIDES

被引：39

作者：

TSANG, HK

PENTY, RV

WHITE, IH

GRANT, RS

SIBBETT, W

SOOLE, JBD

LEBLANC, HP

ANDREADAKIS, NC

BHAT, R

KOZA, MA

机构：

[1] UNIV ST ANDREWS,DEPT PHYS & ASTRON,ST ANDREWS KY16 9SS,FIFE,SCOTLAND

[2] BELLCORE,RED BANK,NJ 07701

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 07期

关键词：

D O I：

10.1063/1.349168

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the first measurement of two-photon absorption (TPA) and self-phase modulation in an InGaAsP/InP multi-quantum-well waveguide. The TPA coefficient, beta-2, was found to be 60 +/- 10 cm/GW at 1.55-mu-m. Despite operating at 200 nm from the band edge, self-phase modulation as high as 8 +/- 2 rad was observed for 30-ps optical pulses at 3.8-W peak input power. A theoretical calculation indicates that this enhanced phase modulation is primarily due to bandfilling in the quantum wells and the free-carrier plasma effect.

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页码：3992 / 3994

页数：3

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