Broadband, high-power, continuous-wave, mid-infrared source using extended phase-matching bandwidth in MgO:PPLN

被引：48

作者：

Das, Ritwick ^{[1
]}

Kumar, S. Chaitanya ^{[1
]}

Samanta, G. K. ^{[1
]}

Ebrahim-Zadeh, M. ^{[1
,2
]}

机构：

[1] ICFO, Barcelona 08860, Spain

[2] Passeig Lluis Co 23, ICREA, Barcelona 08010, Spain

来源：

OPTICS LETTERS | 2009年 / 34卷 / 24期

关键词：

OPTICAL PARAMETRIC OSCILLATOR; FREQUENCY; LINBO3; GENERATION; ABSORPTION;

D O I：

10.1364/OL.34.003836

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a compact and viable source of broadband, high-power, cw, mid-IR radiation based on a singly resonant optical parametric oscillator (SRO) pumped by a wide-bandwidth cw Yb fiber laser centered at 1060 nm. By exploiting the extended phase-matching bandwidth in a 50 mm crystal of MgO:PPLN and a ring SRO cavity, we obtain 5.3 W of broadband idler output for 25.5 W of pump at >80% depletion, transferring a pump bandwidth of 73.9 cm(-1) to an idler spectrum spread across an equal bandwidth centered at 3454 nm. By deploying output coupling of the signal, we generate 11.2 W of total power at 44% extraction efficiency with a pump depletion of >73% at the maximum available pump power. Measurements of transverse modal power confirm Gaussian distribution of signal and idler beams. (C) 2009 Optical Society of America

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收藏

页码：3836 / 3838

页数：3

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