title: Passive mode locking of a self-frequency-doubling Yb:YAl(3) (BO(3))(4) laser.
abstract: We report passive mode-locking experiments with a novel self-doubling laser crystal Yb:YAl(3)(BO(3))(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).
authors.forename: M J
authors.initials: MJ
authors.lastname: Lederer
authors.forename: M
authors.initials: M
authors.lastname: Hildebrandt
authors.forename: V Z
authors.initials: VZ
authors.lastname: Kolev
authors.forename: B
authors.initials: B
authors.lastname: Luther-Davies
authors.forename: B
authors.initials: B
authors.lastname: Taylor
authors.forename: J
authors.initials: J
authors.lastname: Dawes
authors.forename: P
authors.initials: P
authors.lastname: Dekker
authors.forename: J
authors.initials: J
authors.lastname: Piper
authors.forename: H H
authors.initials: HH
authors.lastname: Tan
authors.forename: C
authors.initials: C
authors.lastname: Jagadish