We report noncollinear, degenerate four-wave mixing experiments that employ a new device based on two-dimensional femtosecond pulse shaping that delays and modulates all incident fields. Heterodyne detection is easily implemented due to the full phase stability of the device.
© 2004 Optical Society of America
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.3720) Optical devices : Liquid-crystal devices
(320.5540) Ultrafast optics : Pulse shaping
(320.7150) Ultrafast optics : Ultrafast spectroscopy
Thomas Hornung, Joshua C. Vaughan, T. Feurer, and Keith A. Nelson, "Degenerate four-wave mixing spectroscopy based on two-dimensional femtosecond pulse shaping," Opt. Lett. 29, 2052-2054 (2004)