Zürn, M., Voigt, J., Brinkmeyer, E., Ulrich, R. and Poole, S.B.
Line narrowing and spectral hole burning in single mode Nd3+- fibre lasers
Electronics Letters, 12, (5), . (doi:10.1364/OL.12.000316).
Line-narrowing in the output spectrum of an Nd-doped silica-fiber laser with spectrally flat reflectors is interpreted to indicate substantial homogenous contribution to the 1.09µm fluorescent linewidth. Using a fiber Bragg-reflector, frequency-stable operation with 100GHz bandwidth is obtained, dominated by power broadening and spectral hole burning.
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