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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