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We report a pulsed fiber laser that generates 31-nJ chirped pulses at 70-MHz repetition rate and 2.2 W average power. After dechirping outside the cavity, 80-fs pulses, with 200-kW peak power, are obtained.
The carrier-envelope phase dynamics of octave-spanning Ti:sapphire lasers are analyzed based on a one-dimensional laser. It is found that self-steepening is the major contributor to the energy dependent carrier-envelope phase and that center-frequency-shifts are negligible.
We present a compact, passively mode-locked and prismless Nd:phosphate laser, pumped by a single-mode, low-power (150-mW) laser diode. We obtained self-starting 270-fs near transform-limited pulses, employing a single Gires-Tournois mirror for intracavity dispersion compensation.
Passive synchronization is demonstrated between the self-similar Yb-fiber and the stretched-pulse Er-fiber mode-locked lasers. The pulse repetition rates of the two mode-locked lasers can keep locked when multiple-pulse bound states or periodic pulse collisions occur.
A fundamentally mode-locked Er:Yb:glass laser with a record high repetition rate of 101 GHz generates 30 mW average power in 1.1-ps pulses in the 1.5-mum telecom window. Frequency degeneracies of transverse cavity-modes are investigated.
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