Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide

被引：32
|
作者：
McCarthy, John E. [1 ]
Bookey, Henry T. [1 ]
Psaila, Nicholas D. [2 ]
Thomson, Robert R. [1 ]
Kar, Ajoy K. [1 ]
机构：
[1] Heriot Watt Univ, Dept Phys, Sch Engn & Phys Sci, Edinburgh EH11 4AS, Midlothian, Scotland
[2] Optoscribe Ltd, Alba Innovat Ctr, Livingston EH54 7GA, Scotland
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
CHALCOGENIDE GLASS; INSCRIPTION; FIBER; NONLINEARITIES;
D O I：
10.1364/OE.20.001545
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation. (C)2012 Optical Society of America
引用
收藏
页码：1545 / 1551
页数：7
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