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The optically-pumped semiconductor disk laser is shown to be a practical low-noise pump source for Cr2+:chalcogenide lasers. Results on cw-pumping of a Cr2+:ZnSe and quasi-cw-pumping of a Cr2+:CdZnTe laser are presented.
Summary form only given. We have constructed a self-mode-locked Cr:LiSAF laser pumped by a single self-injection-locked semiconductor laser, which requires less than 75 mW of pump power to produce sub-100-fs pulses. The mode-locked operation was highly stable, as evidenced by a streak camera evaluation in the subpicosecond regime previously accessible only with phase-locked lasers.
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