Single-longitudinal-mode fiber ring laser employing an equivalent phase-shifted fiber Bragg grating

Author

Chen, Xiangfei ; Yao, Jianping ; Zeng, Fei ; Deng, Zhichao

Author_Institution

Sch. of Inf. Technol. & Eng., Univ. of Ottawa, Ont., Canada

Volume

17

Issue

7

fYear

2005

fDate

7/1/2005 12:00:00 AM

Firstpage

1390

Lastpage

1392

Abstract

A novel single-longitudinal-mode (SLM) fiber ring laser that incorporates an equivalent phase-shifted fiber Bragg grating acting as an ultra-narrow bandpass filter in the laser cavity is proposed. The equivalent phase-shifted fiber Bragg grating has an ultra-narrow transmission bandwidth which ensures an SLM lasing. Stable SLM operation without mode hopping is demonstrated.

Keywords

Bragg gratings; band-pass filters; fibre lasers; laser accessories; laser cavity resonators; laser modes; laser stability; optical fibre filters; ring lasers; SLM lasing; bandpass filter; equivalent phase-shifted grating; fiber Bragg grating; fiber laser; laser cavity; mode hopping; ring laser; single-longitudinal-mode laser; stable SLM operation; ultranarrow filter; ultranarrow transmission bandwidth; Bragg gratings; Distributed feedback devices; Erbium-doped fiber lasers; Fiber gratings; Fiber lasers; Laser feedback; Laser modes; Masers; Optical fiber sensors; Ring lasers; Equivalent phase shift (EPS); fiber Bragg grating (FBG); fiber ring laser; single longitudinal mode (SLM);

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2005.848408

Filename

1453620