Broadband second-harmonic-generation in GdCOB crystals | Zendy

Xuezhi Zhao | Zendy; Zhengping Wang | Zendy; Xinle Wang | Zendy; Fapeng Yu | Zendy; Xinguang Xu | Zendy

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Broadband second-harmonic-generation in GdCOB crystals

Author(s) -

Xuezhi Zhao,

Zhengping Wang,

Xinle Wang,

Fapeng Yu,

Xinguang Xu

Publication year - 2022

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.451703

Subject(s) - broadband , phase matching , optics , second harmonic generation , materials science , bandwidth (computing) , crystal (programming language) , laser , high harmonic generation , nonlinear optics , optoelectronics , energy conversion efficiency , physics , telecommunications , computer science , programming language

Broadband second-harmonic-generation (SHG) in GdCOB crystals was demonstrated for the first time. Theoretical calculation and experiments for the type-I frequency doubling of GdCOB crystal was performed. The result revealed that the spectral retracing point of phase-matching angle was at around 1.65 µm. For broadband fundamental laser source tuning in the range of 1.55-1.7 µm, efficient SHG was realized, the highest conversion efficiency was 56%, and the output bandwidth reached 16 nm.

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