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Proceedings Paper

All-optical wavelength conversions in PPLN waveguide with continuous and pulsed pumping
Author(s): Min Zhang; Jian-min Cui; Mao-tong Liu; Chao Wang; Yu-nan Sun
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Paper Abstract

A theoretical model for description of the cSFG/DFG is developed in this paper. The factors influence the poled period of PPLN is studied and the result shows that the poled period decreases while the temperature increases, and the poled period also changes while we choose different signal wavelengths. In our simulation, a pulsed light is injected into a PPLN waveguide as the signal, and then the performances of the wavelength conversion structures with two continuous waves and two pulsed lights are compared in detail by numerical simulation. The output of these two situations are educed while depletion, walk-off and nonlinear effect are all considered. The walk-off effects of output and conversion efficiency are studied in both cases. The results demonstrate that there is an obvious walk-off between input signal and output in the pulse pumped case, and in the CW case the converted wave width is boarder than that of input signal due to pulse dispersion. Factors that influence the conversion efficiency are also analyzed including the power of the pump light, the length of the PPLN waveguide and the experiment structure.

Paper Details

Date Published: 11 November 2008
PDF: 9 pages
Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 713418 (11 November 2008); doi: 10.1117/12.803588
Show Author Affiliations
Min Zhang, Beijing Institute of Technology (China)
Jian-min Cui, Beijing Institute of Technology (China)
Mao-tong Liu, Beijing Institute of Technology (China)
Chao Wang, Beijing Institute of Technology (China)
Yu-nan Sun, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 7134:
Passive Components and Fiber-based Devices V
Ming-Jun Li; Ping Shum; Ian H. White; Xingkun Wu, Editor(s)

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