Abstract
We present a highly efficient ring-cavity all-solid-state Raman laser generating at both the long-shift () and short-shift () Raman lines under external picosecond synchronous pumping at the wavelength of 1063 nm. Very high slope efficiencies and output pulse energies of 68.8% and 103 nJ at the -shifted Stokes wavelength of 1179 nm, and 38.6% and 53 nJ at the ()-shifted Stokes wavelength of 1227 nm have been achieved. Self-mode locking of the ()-shifted Stokes field under intracavity pumping by the -shifted Stokes field allowed to realize 12-fold shortening of the 1227 nm radiation pulse down to 3 ps close to the shorter dephasing time of the Raman line at the output pulse peak power 1.5 times higher than the pump peak power.
© 2018 Optical Society of America
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