Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization

Po Hsun Wu; Chan Shan Yang; Po Hsun Chen; Wei Che Hu; Hai Wei Du; Xiao Yu Peng; Ci Ling Pan

doi:10.1109/IRMMW-THz.2019.8873885

Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization

Po Hsun Wu, Chan Shan Yang, Po Hsun Chen, Wei Che Hu, Hai Wei Du, Xiao Yu Peng, Ci Ling Pan

Graduate Institute of Electro-Optical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

By applying the well-known transient current model, theoretically investigating terahertz (THz) emission from gas plasma induced by multi-color femtosecond laser pulses has been developed in this work. Instead of static tunneling ionization model, we adopted Ammosov-Delone-Krainov (ADK) tunneling ionization model [1] to calculate the tunneling ionization rate. In three-color pumping schemes, the optimal power ratio tends to require a larger amount of fundamental field with the increment of total pump power. The optimal relative phases for the 2nd harmonic and 3rd harmonic field are 0.5 pi and pi, respectively.

Original language	English
Title of host publication	IRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves
Publisher	IEEE Computer Society
ISBN (Electronic)	9781538682852
DOIs	https://doi.org/10.1109/IRMMW-THz.2019.8873885
Publication status	Published - 2019 Sept
Event	44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019 - Paris, France Duration: 2019 Sept 1 → 2019 Sept 6

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2019-September
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019
Country/Territory	France
City	Paris
Period	2019/09/01 → 2019/09/06

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz.2019.8873885

Cite this

Wu, P. H., Yang, C. S., Chen, P. H., Hu, W. C., Du, H. W., Peng, X. Y., & Pan, C. L. (2019). Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization. In IRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves Article 8873885 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2019-September). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2019.8873885

Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization. / Wu, Po Hsun; Yang, Chan Shan; Chen, Po Hsun et al.
IRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves. IEEE Computer Society, 2019. 8873885 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2019-September).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Wu, PH, Yang, CS, Chen, PH, Hu, WC, Du, HW, Peng, XY & Pan, CL 2019, Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization. in IRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves., 8873885, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2019-September, IEEE Computer Society, 44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019, Paris, France, 2019/09/01. https://doi.org/10.1109/IRMMW-THz.2019.8873885

Wu PH, Yang CS, Chen PH, Hu WC, Du HW, Peng XY et al. Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization. In IRMMW-THz 2019 - 44th International Conference on Infrared, Millimeter, and Terahertz Waves. IEEE Computer Society. 2019. 8873885. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). doi: 10.1109/IRMMW-THz.2019.8873885

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title = "Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization",

abstract = "By applying the well-known transient current model, theoretically investigating terahertz (THz) emission from gas plasma induced by multi-color femtosecond laser pulses has been developed in this work. Instead of static tunneling ionization model, we adopted Ammosov-Delone-Krainov (ADK) tunneling ionization model [1] to calculate the tunneling ionization rate. In three-color pumping schemes, the optimal power ratio tends to require a larger amount of fundamental field with the increment of total pump power. The optimal relative phases for the 2nd harmonic and 3rd harmonic field are 0.5 pi and pi, respectively.",

author = "Wu, {Po Hsun} and Yang, {Chan Shan} and Chen, {Po Hsun} and Hu, {Wei Che} and Du, {Hai Wei} and Peng, {Xiao Yu} and Pan, {Ci Ling}",

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AB - By applying the well-known transient current model, theoretically investigating terahertz (THz) emission from gas plasma induced by multi-color femtosecond laser pulses has been developed in this work. Instead of static tunneling ionization model, we adopted Ammosov-Delone-Krainov (ADK) tunneling ionization model [1] to calculate the tunneling ionization rate. In three-color pumping schemes, the optimal power ratio tends to require a larger amount of fundamental field with the increment of total pump power. The optimal relative phases for the 2nd harmonic and 3rd harmonic field are 0.5 pi and pi, respectively.

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Optimization of Terahertz Source via an Ambient Air-Based Multi-Color Photoionization

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