PbS quantum-dot-doped glass for efficient passive mode locking in a CW Yb : KYW laser


Efficient passive mode locking of a diode-pumped Yb/sup 3+/ : KY(WO/sub 4/)/sub 2/ laser using a PbS quantum-dot-doped saturable absorber is described. Pulses of 2.6 ps at around 1 /spl mu/m were generated at a pulse repetition frequency of 99 MHz with an average output power of 250 mW. A saturation fluence of 15/spl mu/J/cm/sup 2/ and a fast temporal decay… (More)


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