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Optical Engineering

Observation of 40-Gbit/s tunable wavelength down- and up-conversions based on cascaded second-order nonlinearity in LiNbO3 waveguides
Author(s): Jian Wang; Junqiang Sun
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Paper Abstract

All-optical 40-Gbit/s tunable wavelength down- and up-conversions are simultaneously observed by exploiting cascaded sum- and difference-frequency generation (cSFG/DFG) in a periodically poled LiNbO3 (PPLN) waveguide. With signal and pump-1 wavelengths kept at 1549.7 and 1536.6 nm, the converted idler wavelength can be tuned from 1531.9 to 1556.8 nm as the pump-2 wavelength is changed from 1554.5 to 1529.8 nm, covering a total 24.9-nm conversion span. It is interesting to find that the single-to-dual channel wavelength conversion can be potentially implemented by setting the pump-2 wavelength close to the signal or pump-1 wavelength.

Paper Details

Date Published: 1 February 2007
PDF: 7 pages
Opt. Eng. 46(2) 025005 doi: 10.1117/1.2672105
Published in: Optical Engineering Volume 46, Issue 2
Show Author Affiliations
Jian Wang, Huazhong Univ. of Science and Technology (China)
Junqiang Sun, Huazhong Univ. of Science and Technology (China)


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