We demonstrate that nonlinear gratings formed by a spatially modulated alignment pulse enable quasi phasematched frequency conversion in aligned molecular gases. This process is simulated for third harmonic generation in a gas of linear molecules.
© 2005 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(320.0320) Ultrafast optics : Ultrafast optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
K. K. Hartinger, S. Nirmalghandi, and R. Bartels, "Transiently Aligned Molecular Gases for Efficient Nonlinear Frequency Conversion," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CTuS2.
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