High-frequency modulation and bandwidth limitations of GaInNAs double-quantum-well lasers -: art. no. 051103

被引：17

作者：

Wei, YQ ^{[1
]}

Gustavsson, JS ^{[1
]}

Haglund, Å ^{[1
]}

Modh, P ^{[1
]}

Sadeghi, M ^{[1
]}

Wang, SM ^{[1
]}

Larsson, A ^{[1
]}

机构：

[1] Chalmers Univ Technol, Dept Microtechnol & Nanosci, Photon Lab, SE-41296 Gothenburg, Sweden

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 05期

关键词：

D O I：

10.1063/1.2170430

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have studied the modulation bandwidth of high-speed GaInNAs double-quantum-well lasers emitting at 1.28-1.30 mu m. A 400 mu m long ridge waveguide laser exhibits a small signal modulation bandwidth of 14 GHz. The intrinsic damping limited modulation bandwidth is as high as 25 GHz (K=0.35 ns), and the actual modulation bandwidth is limited by thermal effects under continuous operation. The saturation of the resonance frequency at 10 GHz was found to be the result of a thermal reduction of the differential gain and a rapid increase of the threshold current when the temperature exceeds 80 degrees C. (c) 2006 American Institute of Physics.

引用

页码：1 / 3

页数：3

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