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Tunable Multi-Wavelength Fiber Laser Based on Random Rayleigh Back-Scattering

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3 Author(s)
Zhu, Y.Y. ; Key Laboratory of Optical Fiber Sensing and Communications, University of Electronic Science and Technology of China, Chengdu, China ; Zhang, W.L. ; Jiang, Y.

A novel all-fiber tunable multi-wavelength Raman fiber laser is achieved in a 50 km single-mode fiber connected to a multi-channel wavelength tunable component (MCWTC), i.e., a F–P cavity combined with a long-period fiber gratings based Mach–Zehnder interferometer, that is obtained by micro-processing. Raman amplified Rayleigh scattering feedback provides the mechanism for random lasing that is split to equidistance wavelengths and tuned continuously from 1553.9 to 1565.4 nm by the MCWTC.

Published in:

Photonics Technology Letters, IEEE  (Volume:25 ,  Issue: 16 )