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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3304–3307

Distinct broadband third-harmonic generation on a thin amorphous medium–air interface

Weimin Liu, Liang Wang, Fangyuan Han, and Chong Fang  »View Author Affiliations


Optics Letters, Vol. 38, Issue 17, pp. 3304-3307 (2013)
http://dx.doi.org/10.1364/OL.38.003304


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Abstract

We achieve a series of distinct broadband third-harmonic generation (THG) signals at the amorphous glass–air interface attributed to third-order and cascaded third-order nonlinear processes. A novel THG laser sideband arises from cascaded interaction between fundamental pulses and the cascaded four-wave mixing signals. The spatially separated THG sidebands with distinct spectral profiles manifest femtosecond quantum beats. Using a versatile setup with two crossing near-IR pulses temporally delayed to each other, we design an incident pulse polarization control method on the THG sideband lasers and also acquire the low-frequency surface Raman spectrum of the amorphous medium.

© 2013 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(260.7190) Physical optics : Ultraviolet
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 26, 2013
Manuscript Accepted: July 22, 2013
Published: August 22, 2013

Citation
Weimin Liu, Liang Wang, Fangyuan Han, and Chong Fang, "Distinct broadband third-harmonic generation on a thin amorphous medium–air interface," Opt. Lett. 38, 3304-3307 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-17-3304

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