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Proceedings Paper

Comparison of DFG and the cascaded X2 based wavelength conversions using MgO-doped LiNbO3 QPM waveguides
Author(s): Bo Chen; Chang-Qing Xu; Bing Zhou
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Paper Abstract

Different frequency generation (DFG) and the cascaded second-order nonlinear interaction () based wavelength conversions in 5-mol MgO doped LiNbO3 QPM waveguides are studied and compared both experimentally and theoretically for the first time. It is shown that DFG based wavelength conversions have a higher conversion efficiency; while the cascaded based wavelength conversions have a wider 3-dB signal conversion bandwidth. It is also exhibited that the simulations are consistent well with the experimental results. Tolerance of pump wavelength for the cascaded based wavelength conversion is twice as large as that of DFG based devices. These results are very helpful in choosing suitable wavelength converters for practical optical communication systems according to the system requirements.

Paper Details

Date Published: 29 October 2001
PDF: 7 pages
Proc. SPIE 4594, Design, Fabrication, and Characterization of Photonic Devices II, (29 October 2001); doi: 10.1117/12.446562
Show Author Affiliations
Bo Chen, Nanyang Technological Univ. (Singapore)
Chang-Qing Xu, Nanyang Technological Univ. (Singapore)
Bing Zhou, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4594:
Design, Fabrication, and Characterization of Photonic Devices II

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