Simulation of an erbium-doped chalcogenide micro-disk mid-infrared laser source

被引：11

作者：

Al Tal, Faleh ^{[1
]}

Dimas, Clara ^{[1
]}

Hu, Juejun ^{[2
,3
]}

Agarwal, Anu ^{[2
]}

Kimerling, Lionel C. ^{[2
]}

机构：

[1] Masdar Inst Sci & Technol, Masdar City, Abu Dhabi, U Arab Emirates

[2] MIT, Microphoton Ctr, Cambridge, MA 02139 USA

[3] Univ Delaware, Dept Mat Sci & Engn, Newark, DE 19716 USA

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 13期

关键词：

GALLIUM LANTHANUM SULFIDE; TELLURITE GLASS MICROSPHERE; WAVE-GUIDES; FABRICATION; PROGRESS;

D O I：

10.1364/OE.19.011951

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The feasibility of mid-infrared (MIR) lasing in erbium-doped gallium lanthanum sulfide (GLS) micro-disks was examined. Lasing condition at 4.5 mu m signal using 800 nm pump source was simulated using rate equations, mode propagation and transfer matrix formulation. Cavity quality (Q) factors of 1.48 x 10(4) and 1.53 x 10(6) were assumed at the pump and signal wavelengths, respectively, based on state-of-the-art chalcogenide micro-disk resonator parameters. With an 80 mu m disk diameter and an active erbium concentration of 2.8 x 10(20) cm(-3), lasing was shown to be possible with a maximum slope efficiency of 1.26 x 10(-4) and associated pump threshold of 0.5 mW. (C) 2011 Optical Society of America

引用

页码：11951 / 11962

页数：12

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