Effect of temperature on conversion characteristics of segmented PPLN based wavelength converter

Tao Liu; Yanxu Lei; Jingzhi Zhang; Cong Zhu; Chunyang Sun

doi:10.1117/12.2506076

15 November 2018 Effect of temperature on conversion characteristics of segmented PPLN based wavelength converter

Tao Liu, Yanxu Lei, Jingzhi Zhang, Cong Zhu, Chunyang Sun

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 1096448 (2018) https://doi.org/10.1117/12.2506076
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

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.

Citation Download Citation

Tao Liu, Yanxu Lei, Jingzhi Zhang, Cong Zhu, and Chunyang Sun "Effect of temperature on conversion characteristics of segmented PPLN based wavelength converter", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 1096448 (15 November 2018); https://doi.org/10.1117/12.2506076

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