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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 13 — Jul. 1, 2007
  • pp: 1953–1955

Ultrabroadband tunable continuous-wave difference-frequency generation in periodically poled lithium niobate waveguides

Zhensong Cao, Ling Han, Wanguo Liang, Lunhua Deng, Huan Wang, Changqing Xu, Weijun Zhang, Zhiben Gong, and Xiaoming Gao  »View Author Affiliations


Optics Letters, Vol. 32, Issue 13, pp. 1953-1955 (2007)
http://dx.doi.org/10.1364/OL.32.001953


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Abstract

We report, for what is the first time to our knowledge, widely tunable mid-IR light generation over a range of greater than 1000 nm in the 4 μ m region by employing a single quasi-phase-matched periodically poled niobate waveguide at room temperature. The waveguide we used was fabricated by annealed proton exchange based on periodically poled lithium niobate. A peak conversion efficiency of 10 % W and a linewidth as small as 37 MHz were achieved. The developed mid-IR light generator may find wide applications in trace gas detection of multiple atmospheric species and high-resolution spectroscopy.

© 2007 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 7, 2007
Revised Manuscript: April 27, 2007
Manuscript Accepted: May 1, 2007
Published: June 28, 2007

Citation
Zhensong Cao, Ling Han, Wanguo Liang, Lunhua Deng, Huan Wang, Changqing Xu, Weijun Zhang, Zhiben Gong, and Xiaoming Gao, "Ultrabroadband tunable continuous-wave difference-frequency generation in periodically poled lithium niobate waveguides," Opt. Lett. 32, 1953-1955 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-13-1953

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