Passive mode locking of a self-frequency-doubling Yb:YAl3(BO3)4 laser

Max J. Lederer*, M. Hildebrandt, V. Z. Kolev, B. Luther-Davies, B. Taylor, J. Dawes, P. Dekker, J. Piper, H. H. Tan, C. Jagadish

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)
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We report passive mode-locking experiments with a novel self-doubling laser crystal Yb:YAl3(BO3)4 (Yb:YAB). The diode-pumped laser was mode locked by an ion-implanted semiconductor saturable absorber mirror. Far off phase matching, soliton mode locking produced pulse widths of 198 fs to 1.4 ps, with up to 660-mW output and optical efficiency of 24% at 1040 nm. The shortest pulses had a peak power of 28 kW with 440-mW average power and 16% efficiency. A few degrees off phase matching, a total of 60 mW of green femtosecond pulses was generated simultaneously. Close to phase matching, the laser produced picosecond pulses and, without infrared output, a total of 270 mW of green output, corresponding to 10% conversion efficiency (absorbed pump to green output).

Original languageEnglish
Pages (from-to)436-438
Number of pages3
JournalOptics Letters
Issue number6
Publication statusPublished - 15 Mar 2002
Externally publishedYes


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