Numerical phase matching optimization of nonlinear optical phase conjugation in several multimode nano-rib waveguides

Yizhao Jia; Tasnad Kernetzky; Norbert Hanik

doi:10.1117/12.3048743

5 December 2024 Numerical phase matching optimization of nonlinear optical phase conjugation in several multimode nano-rib waveguides

Yizhao Jia, Tasnad Kernetzky, Norbert Hanik

Author Affiliations +

Proceedings Volume 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024); 134183L (2024) https://doi.org/10.1117/12.3048743
Event: 15th International Conference on Information Optics and Photonics (CIOP2024), 2024, Xi’an, China

Abstract

Mid-Span Optical Phase Conjugation (OPC) is one method to compensate nonlinear signal degradation in longdistance optical transmission system and it is required a high conversion efficiency over a high wavelength-range. To realize that, we investigated and optimized multi-modal Nano-rib waveguides made of several semiconductor materials and theoretically achieved optimal phase matching and identified solutions with higher idler conversion efficiency. Compared with Nano-rib waveguide with Si as the core material and SiO₂as the substrate: Si core and Si₃N₄ substrate increase efficiency by 0.85% with 1600nm rib width and 60nm slab height; Al_0.5Ga_0.5As core and Si₃N₄substrate increase efficiency by 10.48% with 1600nm rib width and 70nm slab height; LiNbO₃ core and Si₃N₄ substrate increase efficiency by 11.33% with 5000nm rib width and 130nm slab height. All the above optimal results were obtained when the optical signal, pump1, pump2, and idler were in the TE2 mode.

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

Citation Download Citation

Yizhao Jia, Tasnad Kernetzky, and Norbert Hanik "Numerical phase matching optimization of nonlinear optical phase conjugation in several multimode nano-rib waveguides", Proc. SPIE 13418, Fifteenth International Conference on Information Optics and Photonics (CIOP 2024), 134183L (5 December 2024); https://doi.org/10.1117/12.3048743

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