Arbitrarily switchable multi-wavelength Yb-doped fiber lasers with phase-shifted long-period fiber grating

被引：10

作者：

Liu, S. X. ^{[1
]}

Wang, C. H. ^{[1
]}

Zhu, X. J. ^{[1
]}

Bu, C. X. ^{[1
]}

Zhang, G. J. ^{[1
]}

机构：

[1] Soochow Univ, Key Lab Adv Opt Mfg Jiangsu Prov, Inst Modern Opt Technol, Suzhou 215006, Peoples R China

来源：

LASER PHYSICS | 2012年 / 22卷 / 07期

关键词：

LOOP MIRROR;

D O I：

10.1134/S1054660X12070080

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An arbitrarily switchable multi-wavelength Yb-doped fiber laser (YDFL) based on a phase-shifted long-period fiber grating (PS-LPFG) is proposed and demonstrated. The PS-LPFG, which was fabricated by a CO2 laser under asymmetric exposure, acts as a spectral filter with anisotropic transmission spectrum at different states of polarization. The capability of arbitrary wavelength switching can be attributed to the combination of the polarization-dependent loss (PDL) of the PS-LPFG and the nonlinear polarization rotation (NPR) effect. The method suggests a new possibility to achieve even more wavelengths output with an all-fiber format, arbitrarily switchable and tunable capability in the Yb-doped fiber laser system in a simple, stable and well controlled manner.

引用

页码：1260 / 1264

页数：5