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Terahertz optical frequency comb generation with optimized cascaded difference frequency generation

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Abstract

A novel scheme that generates terahertz optical frequency comb (THz OFC) based on optimized cascaded difference frequency generation (OCDFG) with an aperiodically poled lithium niobate (APPLN) crystal is proposed. Two pump lasers initially generate cascaded optical waves by cascaded difference frequency generation (CDFG), the n multiple-frequency THz waves are generated by mixing cascaded optical waves, and finally THz OFC is formed by optimizing phase mismatches of CDFG along the APPLN crystal length. High-performance THz OFC with characteristics of high repetition rate, tunable repetition rate, high flatness and tunable spectral distribution range is exhibited by providing a theoretical calculation. We argue that the scheme based on OCDFG is promising for achieving high-performance THz OFC.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Funding

Project supported by the National Natural Science Foundation of China (61735010, 61601183); Natural Science Foundation of Henan Province (162300410190, 232300421391); Key Scientific Research Project of Henan Universities, (19A510004).

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Authors and Affiliations

  1. College of Electrical Engineering, North China University of Water Resources and Electric Power, Zhengzhou, 450045, China

    Zhongyang Li, Lulu Yang, Kaiwu Wang, Chenxu Shi, Zhiliang Chen, Juan Xu, Pibin Bing & Anfu Zhu

  2. College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Opto-Electronics, Tianjin University, Tianjin, 300072, China

    Degang Xu, Kai Zhong & Jianquan Yao

Authors
  1. Zhongyang Li
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  2. Lulu Yang
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  3. Kaiwu Wang
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  4. Chenxu Shi
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  5. Zhiliang Chen
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  6. Juan Xu
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  7. Pibin Bing
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  8. Anfu Zhu
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  9. Degang Xu
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  10. Kai Zhong
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  11. Jianquan Yao
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Correspondence to Zhongyang Li.

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Li, Z., Yang, L., Wang, K. et al. Terahertz optical frequency comb generation with optimized cascaded difference frequency generation. Opt Rev 30, 411–417 (2023). https://doi.org/10.1007/s10043-023-00826-8

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