High frequency modulation of mid-infrared quantum cascade lasers embedded into microstrip line

被引：52

作者：

Calvar, A. ^{[1
]}

Amanti, M. I. ^{[1
]}

St-Jean, M. Renaudat ^{[1
]}

Barbieri, S. ^{[1
]}

Bismuto, A. ^{[2
]}

Gini, E. ^{[2
]}

Beck, M. ^{[2
]}

Faist, J. ^{[2
]}

Sirtori, C. ^{[1
]}

机构：

[1] Univ Paris Diderot, Sorbonne Paris Cite, Lab Mat & Phenomenes Quant, UMR7162, F-75013 Paris, France

[2] ETH, Inst Quantum Elect, CH-8093 Zurich, Switzerland

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 18期

关键词：

CONTINUOUS-WAVE; INJECTION; COMB;

D O I：

10.1063/1.4804370

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, we have studied the frequency response to a direct current modulation of a mid-infrared quantum cascade laser that has been monolithically integrated within a microwave strip. By merging microwave and semiconductor laser technologies, we have demonstrated a flat frequency response up to similar to 15 GHz for a device operating at 77K and emitting at 9 mu m. Laser performances are preserved and comparable to state of the art devices. Finally, in our devices, we have observed that the modulation bandwidth varies substantially upon the laser photon density. Improved frequency response is indeed achieved, while lasers operate well above threshold. (C) 2013 AIP Publishing LLC.

引用

页数：3

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