Low divergence Terahertz photonic-wire laser

被引：68
|
作者：
Amanti, Maria I. [1 ]
Scalari, Giacomo [1 ]
Castellano, Fabrizio [1 ]
Beck, Mattias [1 ]
Faist, Jerome [1 ]
机构：
[1] ETH, Inst Quantum Elect, CH-8093 Zurich, Switzerland
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 06期
关键词：
QUANTUM-CASCADE LASERS; MODE;
D O I：
10.1364/OE.18.006390
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Edge emitting, terahertz quantum cascade photonic-wire lasers, based on a third order Bragg grating are presented. Devices with a power consumption as low as 300mW, with a single frequency output power of more than 1.5mW are demonstrated. Their maximum operating temperature in continuous-wave mode operation is 110K and the emission is concentrated in a narrow beam (similar to 30 degrees divergence). Larger structure based on the same design show more than 10mW output power and more than 200mW/A slope efficiency at 10K continuous-wave operation. (C) 2010 Optical Society of America
引用
收藏
页码：6390 / 6395
页数：6
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