Abstract
We report, for the first time to our knowledge, an all-fiber wavelength-swept Tm-doped laser based on a fiber Fabry–Perot tunable filter in the spectral region. The laser wavelength can be continuously tuned over from 1840 to in a short period of time. The demonstrated tuning speed was with a tuning efficiency of . The spectral linewidth of the laser was measured to be approximately or . This kind of laser can find potential applications in both high-resolution laser spectroscopy and tunable mid-IR generation via nonlinear frequency conversion.
© 2011 Optical Society of America
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