Broadband optical frequency comb generation in lithium niobate microring resonator by dispersion engineering

Zhaolong Shi; Dongmei Huang; Zihao Cheng; Feng Li; P. K. A. Wai

doi:10.1117/12.3009607

24 November 2023 Broadband optical frequency comb generation in lithium niobate microring resonator by dispersion engineering

Zhaolong Shi, Dongmei Huang, Zihao Cheng, Feng Li, P. K. A. Wai

Author Affiliations +

Proceedings Volume 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023); 129355E (2023) https://doi.org/10.1117/12.3009607
Event: Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 2023, Xi’an, China

Abstract

Thin film lithium niobate (LN) is considered a promising platform for integrated photonics owing to its exceptional electro-, nonlinear-, and acousto-optic properties. In this work, we propose the generation of broadband optical frequency combs in an LN microring resonator by dispersion engineering. We design the structure of the LN waveguide to adjust the effective refractive index of its fundamental mode so that the microring resonator can generate two dispersive waves near the pump light to achieve a broadband optical frequency comb up to 4/5-octave range (about 110 THz). The broadband frequency comb is crucial for future on-chip LN nonlinear photonics applications.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zhaolong Shi, Dongmei Huang, Zihao Cheng, Feng Li, and P. K. A. Wai "Broadband optical frequency comb generation in lithium niobate microring resonator by dispersion engineering", Proc. SPIE 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 129355E (24 November 2023); https://doi.org/10.1117/12.3009607

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