Octave-spanning supercontinuum coherent soft X-ray for producing a single-cycle soft X-ray pulse
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866913529976586240 |
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| author | Nishimiya, Kaito Wang, Feng Lan, Pengfei Takahashi, Eiji J. |
| author_facet | Nishimiya, Kaito Wang, Feng Lan, Pengfei Takahashi, Eiji J. |
| contents | This study demonstrates the potential to generate a soft X-ray single-cycle attosecond pulse using a single-cycle mid-infrared pulse from the advanced dual-chirped optical parametric amplification. Supercontinuum high harmonic (HH) spectrum was generated in argon (80 eV - 160 eV) and neon (150 eV - 270 eV). The experimental spectra reasonably agree with those calculated by the strong-field approximation model and Maxwell's equations. In addition, simulation results indicate that the dispersion of HHs in argon can be compensated using a 207-nm Zr filter to obtain 40 as pulses (1.1 cycles at 118 eV). For neon, a 278-nm Sn filter can compensate for dispersion of HH and create 23 as pulses (1.1 cycles at 206 eV). This soft X-ray single-cycle attosecond pulse is expected to be highly valuable for ultrafast science and applications in quantum information science. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_18543 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Octave-spanning supercontinuum coherent soft X-ray for producing a single-cycle soft X-ray pulse Nishimiya, Kaito Wang, Feng Lan, Pengfei Takahashi, Eiji J. Optics This study demonstrates the potential to generate a soft X-ray single-cycle attosecond pulse using a single-cycle mid-infrared pulse from the advanced dual-chirped optical parametric amplification. Supercontinuum high harmonic (HH) spectrum was generated in argon (80 eV - 160 eV) and neon (150 eV - 270 eV). The experimental spectra reasonably agree with those calculated by the strong-field approximation model and Maxwell's equations. In addition, simulation results indicate that the dispersion of HHs in argon can be compensated using a 207-nm Zr filter to obtain 40 as pulses (1.1 cycles at 118 eV). For neon, a 278-nm Sn filter can compensate for dispersion of HH and create 23 as pulses (1.1 cycles at 206 eV). This soft X-ray single-cycle attosecond pulse is expected to be highly valuable for ultrafast science and applications in quantum information science. |
| title | Octave-spanning supercontinuum coherent soft X-ray for producing a single-cycle soft X-ray pulse |
| topic | Optics |
| url | https://arxiv.org/abs/2407.18543 |