Ultrabroadband near-IR (800–1700-nm) pulses are obtained by type II difference-frequency generation (DFG) between two synchronized noncollinear optical parametric amplifiers. Self-stabilization of the carrier-envelope offset phase, as expected from the DFG process, is demonstrated experimentally.
© 2004 Optical Society of America
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
C. Manzoni, G. Cerullo, and S. De Silvestri, "Ultrabroadband self-phase-stabilized pulses by difference-frequency generation," Opt. Lett. 29, 2668-2670 (2004)