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

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4 Author(s)
Xiangfei Chen ; Sch. of Inf. Technol. & Eng., Univ. of Ottawa, Ont., Canada ; Jianping Yao ; Fei Zeng ; Zhichao Deng

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.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 7 )