Abstract

We report the inscription of fiber Bragg gratings (FBGs) into a nonphotosensitive Er-doped fiber by using a phase-mask scanning technique with near IR femtosecond laser pulses. A grating of 40mm length with a period of 1.075μm was realized. We measured transmission losses of 18.9dB at λ=1554.5nm with a FWHM bandwidth of 0.15nm. By pumping the fiber containing the fabricated FBG, it was possible to realize a fiber laser with an output power of 38mW, a slope efficiency of 21.1%, and low noise (SNR=60dB).

© 2006 Optical Society of America

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