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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 16 — Aug. 15, 2009
  • pp: 2480–2482

Broadband-signal wavelength converter with high damage resistance

Yunlin Chen, Gang Liu, and Yanqing Zheng  »View Author Affiliations


Optics Letters, Vol. 34, Issue 16, pp. 2480-2482 (2009)
http://dx.doi.org/10.1364/OL.34.002480


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Abstract

Uniform MgO-doped near-stoichiometric Li Nb O 3 was successfully grown from Li-rich melts by a melt supplying technique. Periodically poled domains were demonstrated in MgO-doped near-stoichiometric Li Nb O 3 wafers. Efficient quasi-phase-matched difference frequency generation was achieved in a titanium-diffusion waveguide based on periodically poled MgO-doped near-stoichiometric Li Nb O 3 . The conversion efficiency was 7.3 dB with a pump power of 150 mW and a signal power of 50 mW at room temperature. It was found that the 3 dB signal conversion bandwidth was as large as 78 nm . Photorefractive damage of the device was examined by pump–probe second-harmonic generation at room temperature, and the device exhibited no significant wavelength shift.

© 2009 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(130.7405) Integrated optics : Wavelength conversion devices

ToC Category:
Integrated Optics

History
Original Manuscript: March 30, 2009
Revised Manuscript: June 7, 2009
Manuscript Accepted: June 29, 2009
Published: August 12, 2009

Citation
Yunlin Chen, Gang Liu, and Yanqing Zheng, "Broadband-signal wavelength converter with high damage resistance," Opt. Lett. 34, 2480-2482 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-16-2480


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