Progress in the study of PPKTP crystal preparation and its application in quantum field

Tingting Tan; Changlong Zhang; Jian Zhang; Wenhui Huang; Xiaoling He; Haitao Zhou; Dongjie Wang; Hu Lv; Jiangtao Shi

doi:10.1117/12.3046595

27 September 2024 Progress in the study of PPKTP crystal preparation and its application in quantum field

Tingting Tan, Changlong Zhang, Jian Zhang, Wenhui Huang, Xiaoling He, Haitao Zhou, Dongjie Wang, Hu Lv, Jiangtao Shi

Author Affiliations +

Proceedings Volume 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024); 132612Z (2024) https://doi.org/10.1117/12.3046595
Event: 10th International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 2024, Wuhan, China

Abstract

The need for high-performance optoelectronic functional materials has increased in recent years due to the expansion of the optoelectronic information sector. Potassium Titanium Oxygen Phosphate (KTiOPO₄,KTP) is internationally recognized as a material with excellent comprehensive optoelectronic performance. After periodic polarization, KTiOPO₄(PPKTP) can produce laser and entangled photon outputs of any wavelength within the crystal transmittance range using quasi-phase matching (QPM) technology, making it an ideal material for generating entangled photons for efficient frequency conversion and quantum communication. Its applications include laser manufacturing, quantum communication, electro-optical modulators, and optical waveguide devices. In this paper, the preparation of PPKTP crystal materials, the current status of development at home and abroad, and the applications in the quantum field are reviewed, and some challenges encountered in the preparation of the current hydrothermal PPKTP are also highlighted, and in future related research, the solution of these challenges is of great significance to improve the quality of the polarization reversal of the PPKTP and to promote the device's wider application.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Tingting Tan, Changlong Zhang, Jian Zhang, Wenhui Huang, Xiaoling He, Haitao Zhou, Dongjie Wang, Hu Lv, and Jiangtao Shi "Progress in the study of PPKTP crystal preparation and its application in quantum field", Proc. SPIE 13261, Tenth International Conference on Mechanical Engineering, Materials, and Automation Technology (MMEAT 2024), 132612Z (27 September 2024); https://doi.org/10.1117/12.3046595

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KEYWORDS

Crystals

Polarization

Ferroelectric materials

Quantum entanglement

Photonic crystals

Quantum processes

Quantum fields

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