Non-collinear broadband phase-matching for dual-chirped optical parametric amplification

Dual-chirped optical parametric amplification (DC-OPA) is a variant of OPCPA used to produce intense ultrafast pulse. In this study, we comprehensively explore the quantitative relationship between non-collinear broadband PM geometry and linear chirp coefficients. Compared to OPCPA, non-collinear br...

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Bibliographic Details
Published in:Optics express 2024-12, Vol.32 (25), p.45185
Main Authors: Ren, Xinhao, Ren, Xingjie, Ye, Junfeng, Hu, Saisai, Xu, Changwen, Fan, Dianyuan, Zhong, Haizhe
Format: Article
Language:English
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Summary:Dual-chirped optical parametric amplification (DC-OPA) is a variant of OPCPA used to produce intense ultrafast pulse. In this study, we comprehensively explore the quantitative relationship between non-collinear broadband PM geometry and linear chirp coefficients. Compared to OPCPA, non-collinear broadband DC-OPA demonstrates different design strategies. In the proof-of-principle experiment based on a specific oppositely configured DC-OPA design, ∼3 times enhancement in the bandwidth of the generated mid-IR idler pulse is observed compared to the collinear PM situation, which is well consistent with the theoretical predictions. The presented results may provide valuable insights for the design of all types of broadband DC-OPA systems.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.544022