Wavelength tunability of L-band fiber ring lasers using mechanically induced long-period fiber gratings

被引：17

作者：

Sakata, Hajime ^{[1
]}

Yoshimi, Hitoshi ^{[1
]}

Otake, Yuki ^{[1
]}

机构：

[1] Shizuoka Univ, Fac Engn, Dept Elect & Elect Engn, Naka Ku, Hamamatsu, Shizuoka 4328561, Japan

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 06期

关键词：

Erbium-doped fibers; Long-period gratings; Wavelength tunable lasers; AMPLIFIERS; SYSTEMS; FILTER;

D O I：

10.1016/j.optcom.2008.11.083

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on oscillation wavelength control in erbium-doped fiber ring lasers by adjusting the period of a mechanically induced long-period fiber grating (LPFG) inserted into the fiber ring resonator. Pump light is provided by a 974 nm laser diode (LD), the emission of which is coupled into the fiber ring resonator through a wavelength-division multiplexing coupler. Laser oscillation occurs with a threshold pump LD current of 40 mA, corresponding to a threshold pump power of 5 mW. When a periodic pressure of 0.81 N/mm is applied to form the LPFG, the fiber ring laser exhibits the tunable range of 40.9 nm, i.e., from 1563.1 to 1604 nm, by changing the grating period. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：1179 / 1182

页数：4

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