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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1135–1137

Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window

Ruiqi Y. Chen, Martin D.B. Charlton, and Pavlos G. Lagoudakis  »View Author Affiliations

Optics Letters, Vol. 34, Issue 7, pp. 1135-1137 (2009)

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We report on the dispersion of the third-order nonlinear susceptibility ( χ ( 3 ) or “Chi 3”) in planar Ta 2 O 5 waveguides in the telecommunications spectral window. We utilize the observation of third-harmonic generation under ultrashort pulsed excitation as a reference-free characterization method of χ ( 3 ) and obtain a large nonlinear coefficient, 2 × 10 13 esu , at 1550 nm . Our observation of efficient third-harmonic generation in Ta 2 O 5 waveguides in the telecoms window reveals the potential of this material system in high-speed integrated nonlinear optical switches.

© 2009 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Nonlinear Optics

Original Manuscript: December 16, 2008
Revised Manuscript: March 5, 2009
Manuscript Accepted: March 6, 2009
Published: March 31, 2009

Ruiqi Y. Chen, Martin D. Charlton, and Pavlos G. Lagoudakis, "Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window," Opt. Lett. 34, 1135-1137 (2009)

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