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

页码：6915 / 6923

页数：9

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