Open AccessFemtosecond Nd:glass oscillator operating in normal dispersion regime
Author(s) -
Antonio Agnesi,
Luca Carrà,
Federico Pirzio,
G. Reali
Publication year - 2008
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.009549
Subject(s) - optics , materials science , dispersion (optics) , femtosecond , mode locking , laser , diode , saturable absorption , refractive index , self phase modulation , nonlinear optics , optoelectronics , fiber laser , physics
A diode-pumped, prismless Nd:glass laser oscillator, mode-locked by a semiconductor saturable absorber, was stabilized against self-Q-switching by using a phase-mismatched second harmonic crystal. Furthermore, negative-index cascaded second-order nonlinearity provided the soliton shaping mechanism with normal intracavity dispersion. Nearly Fourier-limited pulses as short as 520 fs were obtained.