Low-threshold 1.9 μm Raman generation in microstructured hydrogen-filled hollow-core revolver fibre with nested capillaries

被引：20

作者：

Gladyshev, A. V. ^{[1
]}

Kolyadin, A. N. ^{[1
]}

Kosolapov, A. F. ^{[1
]}

Yatsenko, Yu P. ^{[1
]}

Pryamikov, A. D. ^{[1
]}

Biriukov, A. S. ^{[1
]}

Bufetov, I. A. ^{[1
]}

Dianov, E. M. ^{[1
]}

机构：

[1] Russian Acad Sci, Fiber Opt Res Ctr, 38 Vavilov St, Moscow 119333, Russia

来源：

LASER PHYSICS | 2017年 / 27卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

hollow-core fibre; fiber laser; Raman conversion; STIMULATED RAMAN; NEGATIVE CURVATURE; OPTICAL-FIBERS; SILICA HOLLOW; SCATTERING; WAVE; TRANSMISSION; BRILLOUIN; GUIDANCE; H2;

D O I：

10.1088/1555-6611/aa4f88

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficient Raman laser based on the revolver hollow-core fibre (HCF) with a cladding formed by one layer of double nested capillaries was realized for the first time. Using hydrogen gas as a nonlinear medium we demonstrated single-pass single-stage 1064 nm-1907 nm Raman conversion with quantum efficiency as high as 40%. Improved mode confinement in the hollow core and low optical losses of the fibre enabled us to achieve Raman threshold as low as 270 W of peak power, which is 4-7 times improvement compared to previously reported results on 1.9 mu m Raman generation in other types of HCFs. Further progress in revolver fibre technology could be a promising way to develop low-threshold, efficient, compact gas fibre lasers for various applications in the mid-infrared spectral range.

引用

页数：8

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