Femtosecond modelocking in Tm,Ho-codoped NaY(WO4)2 and KY(WO4)2 lasers is reported. Transform-limited 191-fs pulses are produced at 2060 nm at a repetition frequency of 144 MHz. Output power exceeds 200 mW during femtosecond pulse generation.
© 2011 OSA
A. Lagatsky, D. Serrano, C. Cascales, C. Zaldo, T. Brown, and W. Sibbett, "Femtosecond Tm-Ho codoped double tungstate lasers around 2060 nm," in Advances in Optical Materials, OSA Technical Digest (CD) (Optical Society of America, 2011), paper ATuA3.
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