Nonlinear output response of acousto-optic modulated distributed bragg reflector (DBR) fiber laser
Document Type
Article
Publication Date
1-1-2016
Abstract
This article presents a study on the output response of a distributed Bragg reflector (DBR) to acousto-optic wave. In the fabrication, the DBR is constructed with a 12 cm long EDF and two FBGs that share the same center wavelength. The behavior of the DBR under the influence of acousto-optic wave can be well explained based on the model of a single sinusoidal-modulated FBG. A nonlinear response has been observed for DBR output amplitude which is similar to the reflectivity variation at the center wavelength of an FBG impinged by acousto-optic wave. The potential for using DBR as a vibration sensor has been investigated in the frequency range of 120 kHz-190 kHz.
Keywords
Distributed Bragg reflector (DBR), Acousto-optic wave, FBG, Vibration sensing
Divisions
PHYSICS
Funders
UMRG Grant (RP019-2012C) and FRGS (FP002-2013A),National Natural Science Foundation of China (Nos. 60727004, 61077060, 61205080, 61235005),National High Technology Research and Development Program 863(Nos. 2007AA03Z413, 2009AA06Z203),Ministry of Education Project of Science and Technology Innovation (No. Z08119),Ministry of Science and Technology Project of International Cooperation (No. 2008CR1063),Shaanxi Province Project of Science and Technology Innovation (Nos. 2009ZKC01-19, 2008ZDGC-14)
Publication Title
Optoelectronics and Advanced Materials, Rapid Communications
Volume
10
Issue
9-10
Publisher
National Institute of Optoelectronics