Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime

High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipo...
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Autor*in:	Zhiyong Qin [verfasserIn] Zibo Xu [verfasserIn] Changhai Yu [verfasserIn] Jiansheng Liu [verfasserIn] Jintan Cai [verfasserIn] Zhijun Zhang [verfasserIn] Shiyi Zhou [verfasserIn] Xuhui Jiao [verfasserIn] Zhongtao Xiang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	high-order harmonic generation phase matching spatiotemporal reshaping overdriven regime high-intensity field ionization

Übergeordnetes Werk:	In: Photonics - MDPI AG, 2014, 10(2023), 964, p 964
Übergeordnetes Werk:	volume:10 ; year:2023 ; number:964, p 964

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/photonics10090964

Katalog-ID:	DOAJ093314817

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520			\|a High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime.
650		4	\|a high-order harmonic generation
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allfields	10.3390/photonics10090964 doi (DE-627)DOAJ093314817 (DE-599)DOAJ8a0ac398c8824e10bc3d3577060aafc1 DE-627 ger DE-627 rakwb eng TA1501-1820 Zhiyong Qin verfasserin aut Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime. high-order harmonic generation phase matching spatiotemporal reshaping overdriven regime high-intensity field ionization Applied optics. Photonics Zibo Xu verfasserin aut Changhai Yu verfasserin aut Jiansheng Liu verfasserin aut Jintan Cai verfasserin aut Zhijun Zhang verfasserin aut Shiyi Zhou verfasserin aut Xuhui Jiao verfasserin aut Zhongtao Xiang verfasserin aut In Photonics MDPI AG, 2014 10(2023), 964, p 964 (DE-627)786192763 (DE-600)2770002-1 23046732 nnns volume:10 year:2023 number:964, p 964 https://doi.org/10.3390/photonics10090964 kostenfrei https://doaj.org/article/8a0ac398c8824e10bc3d3577060aafc1 kostenfrei https://www.mdpi.com/2304-6732/10/9/964 kostenfrei https://doaj.org/toc/2304-6732 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2023 964, p 964
spelling	10.3390/photonics10090964 doi (DE-627)DOAJ093314817 (DE-599)DOAJ8a0ac398c8824e10bc3d3577060aafc1 DE-627 ger DE-627 rakwb eng TA1501-1820 Zhiyong Qin verfasserin aut Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime. high-order harmonic generation phase matching spatiotemporal reshaping overdriven regime high-intensity field ionization Applied optics. Photonics Zibo Xu verfasserin aut Changhai Yu verfasserin aut Jiansheng Liu verfasserin aut Jintan Cai verfasserin aut Zhijun Zhang verfasserin aut Shiyi Zhou verfasserin aut Xuhui Jiao verfasserin aut Zhongtao Xiang verfasserin aut In Photonics MDPI AG, 2014 10(2023), 964, p 964 (DE-627)786192763 (DE-600)2770002-1 23046732 nnns volume:10 year:2023 number:964, p 964 https://doi.org/10.3390/photonics10090964 kostenfrei https://doaj.org/article/8a0ac398c8824e10bc3d3577060aafc1 kostenfrei https://www.mdpi.com/2304-6732/10/9/964 kostenfrei https://doaj.org/toc/2304-6732 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 10 2023 964, p 964
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language	English
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container_title	Photonics
authorswithroles_txt_mv	Zhiyong Qin @@aut@@ Zibo Xu @@aut@@ Changhai Yu @@aut@@ Jiansheng Liu @@aut@@ Jintan Cai @@aut@@ Zhijun Zhang @@aut@@ Shiyi Zhou @@aut@@ Xuhui Jiao @@aut@@ Zhongtao Xiang @@aut@@
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callnumber-first	T - Technology
author	Zhiyong Qin
spellingShingle	Zhiyong Qin misc TA1501-1820 misc high-order harmonic generation misc phase matching misc spatiotemporal reshaping misc overdriven regime misc high-intensity field misc ionization misc Applied optics. Photonics Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime
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topic_title	TA1501-1820 Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime high-order harmonic generation phase matching spatiotemporal reshaping overdriven regime high-intensity field ionization
topic	misc TA1501-1820 misc high-order harmonic generation misc phase matching misc spatiotemporal reshaping misc overdriven regime misc high-intensity field misc ionization misc Applied optics. Photonics
topic_unstemmed	misc TA1501-1820 misc high-order harmonic generation misc phase matching misc spatiotemporal reshaping misc overdriven regime misc high-intensity field misc ionization misc Applied optics. Photonics
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title	Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime
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title_full	Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime
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title_sort	enhanced xuv harmonics generation with an intense laser field in the overdriven regime
callnumber	TA1501-1820
title_auth	Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime
abstract	High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime.
abstractGer	High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime.
abstract_unstemmed	High-order harmonic generation with high photon flux has been a challenging task in strong-field physics. According to the high-order harmonic generation process, the essential requirements for achieving efficient harmonic radiations inside a gas medium are the improvement of the induced atomic dipole moment amplitude of the single-atom response in the microscopic and the phase matching of the high harmonics in the macroscopic medium. In this work, we demonstrated a feasible approach to enhance the extreme-ultraviolet harmonics in the plateau region by increasing the intensity of the driving laser while keeping the laser energy constant. The simulation results showed that by increasing the laser intensity to the overdriven regime, the average extreme-ultraviolet harmonics yield in the plateau region is approximately twice as high as that obtained optimally in the conventional loose focusing geometry scheme by utilizing a relatively low-intensity driving laser with the same laser energy. The quantitative analysis of the harmonics generation process in the macroscopic medium and the phase matching revealed that the observed enhancement in harmonics can be attributed to the amplification of the induced atomic dipole moment amplitude of the single-atom response in the high-intensity driving laser and the favorable transient phase matching in the overdriven regime. Furthermore, the investigation of the driving laser indicated that the favorable transient phase matching is caused by the spatiotemporal reshaping of the driving laser in the overdriven regime.
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title_short	Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime
url	https://doi.org/10.3390/photonics10090964 https://doaj.org/article/8a0ac398c8824e10bc3d3577060aafc1 https://www.mdpi.com/2304-6732/10/9/964 https://doaj.org/toc/2304-6732
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author2	Zibo Xu Changhai Yu Jiansheng Liu Jintan Cai Zhijun Zhang Shiyi Zhou Xuhui Jiao Zhongtao Xiang
author2Str	Zibo Xu Changhai Yu Jiansheng Liu Jintan Cai Zhijun Zhang Shiyi Zhou Xuhui Jiao Zhongtao Xiang
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doi_str	10.3390/photonics10090964
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up_date	2024-07-03T16:34:41.323Z
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Enhanced XUV Harmonics Generation with an Intense Laser Field in the Overdriven Regime

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