Random distributed feedback fibre laser

被引：853

作者：

Turitsyn, Sergei K. ^{[1
]}

Babin, Sergey A. ^{[2
]}

El-Taher, Atalla E. ^{[1
]}

Harper, Paul ^{[1
]}

Churkin, Dmitriy V. ^{[2
]}

Kablukov, Sergey I. ^{[2
]}

Diego Ania-Castanon, Juan ^{[1
,3
]}

Karalekas, Vassilis ^{[1
]}

Podivilov, Evgenii V. ^{[2
]}

机构：

[1] Aston Univ, Photon Res Grp, Birmingham B4 7ET, W Midlands, England

[2] RAS, Inst Automat & Electrometry, SB, Novosibirsk 630090, Russia

[3] CSIC, Inst Opt, E-28006 Madrid, Spain

来源：

NATURE PHOTONICS | 2010年 / 4卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

STIMULATED BRILLOUIN; MEDIA; LIGHT; GENERATION;

D O I：

10.1038/NPHOTON.2010.4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The concept of random lasers making use of multiple scattering in amplifying disordered media to generate coherent light has attracted a great deal of attention in recent years. Here, we demonstrate a fibre laser with a mirrorless open cavity that operates via Rayleigh scattering, amplified through the Raman effect. The fibre waveguide geometry provides transverse confinement and effectively one-dimensional random distributed feedback, leading to the generation of a stationary near-Gaussian beam with a narrow spectrum, and with efficiency and performance comparable to regular lasers. Rayleigh scattering due to inhomogeneities within the glass structure of the fibre is extremely weak, making the operation and properties of the proposed random distributed feedback lasers profoundly different from those of both traditional random lasers and conventional fibre lasers.

引用

页码：231 / 235

页数：5

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