ENHANCED MODULATION BANDWIDTH OF STRAINED MULTIPLE QUANTUM-WELL LASERS

被引：8

作者：

MORTON, PA

TEMKIN, H

COBLENTZ, DL

LOGAN, RA

TANBUNEK, T

机构：

[1] ATandT Bell Laboratories, Murray Hill

来源：

APPLIED PHYSICS LETTERS | 1992年 / 60卷 / 15期

关键词：

D O I：

10.1063/1.107172

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We compare the dynamic properties of bulk, lattice-matched, and strained multiple quantum well (MQW) 1.3-mu-m Fabry-Perot lasers up to high-bias levels. We show for the first time that long wavelength strained MQW lasers can have a higher intrinsic bandwidth than bulk active and lattice-matched MQW lasers, and that a - 3 dB bandwidth of over 30 GHz can be expected from devices with a thin separate confinement heterostructure if a low parasitic device structure is used. The K factor used to determine maximum bandwidth in bulk active laser diodes is shown to be unsuitable for strained MQW devices, where a linear relationship of damping/(resonance frequency)2 is not observed at high power levels.

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页码：1812 / 1814

页数：3

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