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We propose and demonstrate a modelocked bi-directional VECSEL with a double V cavity configuration. The laser generates 1.04 mum optical pulses with a 0.76 GHz repetition rate and a total average output power of 4 mW.
We describe the operation of a femtosecond Cr4+:YAG laser that has been mode locked using a novel GaInNAsSb SESAM. 230 fs pulses were generated at an average output power of 280 mW.
External-cavity mode-locking of a quantum-dot laser is demonstrated with record-low repetition-rates of 310 MHz, and harmonic repetition-rates up to 4 GHz. Fourier-limited 930 fs pulse generation is achieved. The pulse-energy of ~0.45 pJ is independent of operating conditions.
Analysis of spectral condensation in a VECSEL with a near-antiresonant gain structure incorporating InGaAs/GaAsP quantum wells emitting around 1030 nm shows the effective FWHM gain bandwidth of this laser to be 32 nm.
We present the first solitary mode-locked thin disk oscillator with cavity-dumping. The laser generates pulse energies of 3 muJ with pulse durations below 700 fs at 1 MHz repetition rate.
Dynamical properties of mode-locked thin-disk lasers with cavity-dumping are studied with numerical simulations and experimental data. Limitations are identified, design criteria for future systems are deducted, and estimates of possible pulse energies given.
We report a 2 GHz mode locked vertical external cavity surface emitting laser using a hybrid metal-metamorphic Bragg mirror on the gain structure with a resonant two quantum wells GaInNAs semiconductor saturable absorber mirror (SESAM).
Tunable and multi-wavelength mode-locked operation of a fiber laser is demonstrated. A loop mirror with highly nonlinear fiber is used as an all-optical modulator; tuning is achieved through dispersive gratings and a tunable optical delay.
We report on long-cavity modelocked laser with Yb:CALGO crystal, with, first, a 27-MHz, sub 100-fs single-pulse regime and, second, a very atypical double-pulse dualwavelength femtosecond regime.
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