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The input-output power characteristics of a laser-diode-pumped microchip self--switched laser.
(Color online) The evolution of the laser spectra around 1064 nm of self--switched laser with the absorbed pump power. The spectral resolution is 0.01 nm.
The evolution of the output pulse sequences of self--switched single-mode, and two-mode oscillation with the absorbed pump power, (a) , (b) , (c) for the single-mode oscillation, (d) , (e) , (f) for the two-mode oscillation which show the pulse instability.
(Color online) Numerical simulation of the pulse sequences of the population inversion of each mode, the population inversion of the saturable absorber and the photon intensities for two-mode instability oscillation when the pump power ratio is 3.3. Other parameters (see Ref. 10) used are , , , , , , , . and are the threshold for the first mode and secondary mode, respectively.
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