Resonantly enhanced third harmonic generation in microfiber loop resonators

被引：23
作者：
Lee, Timothy [1 ]
Broderick, Neil G. R. [2 ]
Brambilla, Gilberto [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] Univ Auckland, Dept Phys, Auckland 1142, New Zealand
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2013年 / 30卷 / 03期
关键词：
2ND-HARMONIC GENERATION; SUPERCONTINUUM GENERATION; FIBERS;
D O I：
10.1364/JOSAB.30.000505
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically study third harmonic generation in silica microfiber loop resonators wherein the large resonant field strength is exploited to increase the efficiency and reduce the required pump power, with a focus on the influence of loop parameters such as loss and coupling. For a 3 mm length loop, the conversion can reach several percent, that is, 640 times greater than an equivalent straight microfiber, for input powers as low as 100 W. The harmonic signal can be toggled between a high- and low-output state due to hysteresis at higher powers, and the efficiency can be further enhanced if the harmonic light is recirculated and coresonant with the pump. (c) 2013 Optical Society of America
引用
收藏
页码：505 / 511
页数：7
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