Phase-locked arrays of surface-emitting graded-photonic-heterostructure terahertz semiconductor lasers

被引：15
|
作者：
Halioua, Yacine [1 ]
Xu, Gangyi [1 ,2 ]
Moumdji, Souad [1 ]
Li, Lianhe [3 ]
Zhu, Jingxuan [3 ]
Linfield, Edmund H. [3 ]
Davies, A. Giles [3 ]
Beere, Harvey E. [4 ]
Ritchie, David A. [4 ]
Colombelli, Raffaele [1 ]
机构：
[1] Univ Paris 11, Inst Elect Fondamentale, CNRS UMR8622, F-91405 Orsay, France
[2] Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Infrared Imaging Mat & Detectors, Shanghai 200083, Peoples R China
[3] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England
[4] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 05期
基金：
英国工程与自然科学研究理事会; 欧洲研究理事会;
关键词：
QUANTUM-CASCADE LASERS; WAVE-GUIDES; ANTIGUIDES; RESONATORS; MODES;
D O I：
10.1364/OE.23.006915
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have demonstrated that a hybrid laser array, combining graded-photonic-heterostructure terahertz semiconductor lasers with a ring resonator, allows the relative phase (either symmetric or anti-symmetric) between the sources to be fixed by design. We have successfully phase-locked up to five separate lasers. Compared with a single device, we achieved a clear narrowing of the output beam profile. (C) 2015 Optical Society of America
引用
收藏
页码：6915 / 6923
页数：9
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