Abstract
The dynamics of the wavelength tuning of the radiation of fiber-optic and waveguide lasers with a short linear cavity are analyzed. It is shown that the tuning time is minimized in lasers in which the output diffraction grating has a reflectance of about 95% and which possess the maximum lasing efficiency. The additional losses that appear when the optical fiber is coupled with a controllable diffraction grating written on a waveguide electrooptic modulator reduce the tuning time of the laser radiation, but its lasing efficiency is also reduced in this case.
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