Floquet-Volkov interference in a semiconductor
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arXiv
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| Autori principali: | , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
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| _version_ | 1866910822105612288 |
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| author | Bao, Changhua Zhong, Haoyuan Fan, Benshu Cai, Xuanxi Wang, Fei Zhou, Shaohua Lin, Tianyun Zhang, Hongyun Yu, Pu Tang, Peizhe Duan, Wenhui Zhou, Shuyun |
| author_facet | Bao, Changhua Zhong, Haoyuan Fan, Benshu Cai, Xuanxi Wang, Fei Zhou, Shaohua Lin, Tianyun Zhang, Hongyun Yu, Pu Tang, Peizhe Duan, Wenhui Zhou, Shuyun |
| contents | Intense light-field can dress both Bloch electrons inside crystals and photo-emitted free electrons in the vacuum, dubbed as Floquet and Volkov states respectively. These quantum states can further interfere coherently, modulating light-field dressed states. Here, we report experimental evidence of the Floquet-Volkov interference in a semiconductor - black phosphorus. A highly asymmetric modulation of the spectral weight is observed for the Floquet-Volkov states, and such asymmetry can be further controlled by rotating the pump polarization. Our work reveals the quantum interference between different light-field dressed electronic states, providing insights for material engineering on the ultrafast timescale. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_07357 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Floquet-Volkov interference in a semiconductor Bao, Changhua Zhong, Haoyuan Fan, Benshu Cai, Xuanxi Wang, Fei Zhou, Shaohua Lin, Tianyun Zhang, Hongyun Yu, Pu Tang, Peizhe Duan, Wenhui Zhou, Shuyun Mesoscale and Nanoscale Physics Materials Science Optics Intense light-field can dress both Bloch electrons inside crystals and photo-emitted free electrons in the vacuum, dubbed as Floquet and Volkov states respectively. These quantum states can further interfere coherently, modulating light-field dressed states. Here, we report experimental evidence of the Floquet-Volkov interference in a semiconductor - black phosphorus. A highly asymmetric modulation of the spectral weight is observed for the Floquet-Volkov states, and such asymmetry can be further controlled by rotating the pump polarization. Our work reveals the quantum interference between different light-field dressed electronic states, providing insights for material engineering on the ultrafast timescale. |
| title | Floquet-Volkov interference in a semiconductor |
| topic | Mesoscale and Nanoscale Physics Materials Science Optics |
| url | https://arxiv.org/abs/2502.07357 |