Harmonic self-mode-locking of optically pumped semiconductor disc laser
Electronics Letters （2014）
Abstract
A saturable-absorber-free vertical-external-cavity surface-emitting laser is presented which is harmonically modelocked. Modelocking is initiated via fine-tuning of an aperture which is placed near one of the cavity's end mirrors. Fundamental modelocking is observed along with the second and third harmonic operations for increased optical pump powers. The system features pulse durations penetrating the femtosecond regime at a wavelength of 1014 nm.
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Key words
high-speed optical techniques,laser cavity resonators,laser mirrors,laser mode locking,optical pumping,optical tuning,semiconductor lasers,surface emitting lasers,cavity's end mirrors,femtosecond regime,fine tuning,harmonic self-mode-locking,optical pump powers,optically pumped semiconductor disc laser,pulse durations,saturable-absorber-free vertical-external-cavity surface-emitting laser,wavelength 1014 nm
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