Nonlinear dynamics of coupled transverse modes in quantum cascade lasers

被引：2
|
作者：
Wojcik, Aleksander K. [1 ]
Yu, Nanfang [2 ]
Diehl, Laurent [2 ]
Capasso, Federico [2 ]
Belyanin, Alexey [1 ]
机构：
[1] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA
[2] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
来源：
JOURNAL OF MODERN OPTICS | 2010年 / 57卷 / 19期
关键词：
nonlinear optics; quantum cascade lasers; mode locking; beam steering; INSTABILITIES; PATTERNS; OPTICS;
D O I：
10.1080/09500340.2010.506013
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze the dynamics of broad-area mid-infrared quantum cascade lasers (QCLs). We show the possibility of the coherent coupling of several transverse modes which results in several interesting effects including frequency and phase locking between transverse modes, bistability, and beam steering. We present an analytical model for the modal dynamics and its numerical analysis. Effects of amplitude and phase fluctuations on the modal stability are explored. We compare our theoretical results with our experimental measurements of buried heterostructure QCLs.
引用
收藏
页码：1892 / 1899
页数：8
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