Nonlinear X-shaped waves by second-harmonic generation with collimated femtosecond pulses
Optics Letters, Vol. 34, Issue 2, pp. 166-168 (2009)
http://dx.doi.org/10.1364/OL.34.000166
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Abstract
Nonlinear X-shaped angle-wavelength spectrum of the generated second-harmonic wave is observed for a collimated femtosecond pulse of a large beam waist, where the spatiotemporal balance is originated from mutual coupling of the effective nonlinear Kerr effects, pulse frequency chirp, and negative phase shift from cascaded quadratic processes with appropriate phase mismatch.
© 2009 Optical Society of America
OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.3270) Nonlinear optics : Kerr effect
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7120) Ultrafast optics : Ultrafast phenomena
ToC Category:
Ultrafast Optics
History
Original Manuscript: August 11, 2008
Revised Manuscript: November 22, 2008
Manuscript Accepted: November 28, 2008
Published: January 13, 2009
Citation
Wenqi Lei, Jian Wu, Hua Cai, and Heping Zeng, "Nonlinear X-shaped waves by second-harmonic generation with collimated femtosecond pulses," Opt. Lett. 34, 166-168 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-2-166
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