Chinese Optics Letters, 2024, 22 (3): 031902, Published Online: Mar. 22, 2024  

Nonlinear photonic quasi-periodic spiral

Author Affiliations
1 Laboratory of Infrared Materials and Devices, Research Institute of Advanced Technologies, Ningbo University, Ningbo 315211, China
2 Zhejiang Key Laboratory of Photoelectric Materials and Devices, Ningbo University, Ningbo 315211, China
3 Ningbo Institute of Oceanography, Ningbo 315832, China
4 Department of Quantum Science and Technology, Research School of Physics, Australian National University, Canberra, ACT 2601, Australia
Abstract
The design of nonlinear photonic Vogel’s spiral based on quasi-crystal theory was demonstrated. Two main parameters of Vogel’s spiral were arranged to obtain multi-reciprocal circles. Typical structure was fabricated by the near-infrared femtosecond laser poling technique, forming a nonlinear photonic structure, and multiple ring-like nonlinear Raman–Nath second-harmonic generation processes were realized and analyzed in detail. The structure for the cascaded third-harmonic generation process was predicted. The results could help deepen the understanding of Vogel’s spiral and quasi-crystal and pave the way for the combination of quasi-crystal theory with more aperiodic structures.

Jing Zeng, Sen Wang, Ruwei Zhao, Yongxing Liu, Tiefeng Xu, Yan Sheng, Tianxiang Xu. Nonlinear photonic quasi-periodic spiral[J]. Chinese Optics Letters, 2024, 22(3): 031902.

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