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Proceedings Paper

Effect of temperature on conversion characteristics of segmented PPLN based wavelength converter
Author(s): Tao Liu; Yanxu Lei; Jingzhi Zhang; Cong Zhu; Chunyang Sun
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Paper Abstract

In this paper, we investigate the influence of temperature changes on the grating periods of periodically poled lithium niobate (PPLN) with segmented grating structure. Furthermore, the effect of temperature on the conversion performance of segmented gratings based wavelength converter is also studied. Giving the basic constraints of the wavelength conversion characteristics, the grating periods of the segmented gratings at different temperatures is collected when the constraint conditions are met. Then, three mathematical equations are achieved by analyzing the collected data to calculate the optimal grating periods for different temperatures. Broad bandwidth with flat response can be obtained by using these optimal grating periods. Finally, comparison between the designed segmented gratings- and uniform grating-based wavelength converters is carried out. The results show that, for the same temperature, the wavelength converter with segmented gratings has broader bandwidth and more flat conversion efficiency than that with uniform grating.

Paper Details

Date Published: 15 November 2018
PDF: 5 pages
Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 1096448 (15 November 2018); doi: 10.1117/12.2506076
Show Author Affiliations
Tao Liu, North China Electric Power Univ. (China)
Yanxu Lei, North China Electric Power Univ. (China)
Jingzhi Zhang, North China Electric Power Univ. (China)
Cong Zhu, North China Electric Power Univ. (China)
Chunyang Sun, North China Electric Power Univ. (China)

Published in SPIE Proceedings Vol. 10964:
Tenth International Conference on Information Optics and Photonics
Yidong Huang, Editor(s)

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