CARRIER TRANSPORT LIMITED BANDWIDTH OF 1.55 MU-M QUANTUM-WELL LASERS

被引：33

作者：

GRABMAIER, A ^{[1
]}

SCHOFTHALER, M ^{[1
]}

HANGLEITER, A ^{[1
]}

KAZMIERSKI, C ^{[1
]}

BLEZ, M ^{[1
]}

OUGAZZADEN, A ^{[1
]}

机构：

[1] CTR NATL ETUD TELECOMMUN,F-92220 BAGNEUX,FRANCE

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 01期

关键词：

D O I：

10.1063/1.108816

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present the first measurements of the dynamic response of InGaAs/InGaAsP multiquantum-well lasers which clearly show the effect of the carrier transport phenomena on the modulation response. Using our parasitic-free optical modulation method, we separate an intrinsic RC-like component in the frequency response from normal resonance behavior. The bandwidth is strongly limited by this low-pass rolloff that can be described by a structure-dependent transport time. It is shown that, therefore, the K factor may not be a reasonable quantity for evaluating the ultimate bandwidth.

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页码：52 / 54

页数：3

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