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Journals >Chinese Optics Letters >Volume 23 >Issue 2 >Page 021902 > Article

Chinese Optics Letters
Vol. 23, Issue 2, 021902 (2025)

THz radiation coherent accumulation along a two-color laser filament in air

Zeliang Zhang¹, Qiang Su², Lu Sun^1,*, Pengfei Qi¹..., Zhiqiang Yu¹, Olga Kosareva³ and Weiwei Liu^1,**|Show fewer author(s)

Author Affiliations

¹Institute of Modern Optics, Nankai University, Tianjin 300350, China

²Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300070, China

³Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia

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DOI: 10.3788/COL202523.021902 Cite this Article Set citation alerts

Zeliang Zhang, Qiang Su, Lu Sun, Pengfei Qi, Zhiqiang Yu, Olga Kosareva, Weiwei Liu, "THz radiation coherent accumulation along a two-color laser filament in air," Chin. Opt. Lett. 23, 021902 (2025) Copy Citation Text

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References

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[4] A. D. Koulouklidis, C. Gollner, V. Shumakova et al. Observation of extremely efficient terahertz generation from mid-infrared two-color laser filaments. Nat. Commun., 11, 292(2020).

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[6] Z. Yu, L. Sun, N. Zhang et al. Anti-correlated plasma and THz pulse generation during two-color laser filamentation in air. Ultrafast Sci., 2022, 1(2022).

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[8] C. D’Amico, A. Houard, M. Franco et al. Conical forward THz emission from femtosecond-laser-beam filamentation in air. Phys. Rev. Lett., 98, 235002(2007).

[9] C. D. Amico, A. Houard, S. Akturk et al. Forward THz radiation emission by femtosecond filamentation in gases: theory and experiment. New J. Phys., 10, 013015(2008).

[10] V. Y. Fedorov, S. Tzortzakis. Powerful terahertz waves from long-wavelength infrared laser filaments. Light Sci. Appl., 9, 186(2020).

[11] P. González de Alaiza Martínez, X. Davoine, A. Debayle et al. Terahertz radiation driven by two-color laser pulses at near-relativistic intensities: competition between photoionization and wakefield effects. Sci. Rep., 6, 1(2016).

[12] J. Kasparian, R. Sauerbrey, S. L. Chin. The critical laser intensity of self-guided light filaments in air. Appl. Phys. B, 71, 877(2000).

[13] Z. Zhang, J. Zhang, Y. Chen et al. Bessel terahertz pulses from superluminal laser plasma filaments. Ultrafast Sci., 2022, 9870325(2022).

[14] S. Liu, C. Lu, Z. Fan et al. Modulated terahertz generation in femtosecond laser plasma filaments by high-field spintronic terahertz pulses. Appl. Phys. Lett., 120, 172404(2022).

[15] J. Dai, N. Karpowicz, X.-C. Zhang. Coherent polarization control of terahertz waves generated from two-color laser-induced gas plasma. Phys. Rev. Lett., 103, 023001(2009).

[16] Q. Su, W. Liu, D. Lu et al. Influence of the tilting angle of a BBO crystal on the terahertz radiation produced by a dual-color femtosecond laser. IEEE Trans. THz Sci. Technol., 9, 669(2019).

[17] P. Klarskov, A. C. Strikwerda, K. Iwaszczuk et al. Experimental three-dimensional beam profiling and modeling of a terahertz beam generated from a two-color air plasma. New J. Phys., 15, 075012(2013).

[18] V. Blank, M. Thomson, H. Roskos. Spatio-spectral characteristics of ultra-broadband THz emission from two-colour photoexcited gas plasmas and their impact for nonlinear spectroscopy. New J. Phys., 15, 075023(2013).

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[25] H. Li, W. Chu, H. Zang et al. Critical power and clamping intensity inside a filament in a flame. Opt. Express, 24, 3424(2016).

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Zeliang Zhang, Qiang Su, Lu Sun, Pengfei Qi, Zhiqiang Yu, Olga Kosareva, Weiwei Liu, "THz radiation coherent accumulation along a two-color laser filament in air," Chin. Opt. Lett. 23, 021902 (2025)

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