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| Autori principali: | , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2403.01019 |
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| _version_ | 1866917666285944832 |
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| author | Ziemkiewicz, David Knez, David Garcia, Evan P. Zielińska-Raczyńska, Sylwia Czajkowski, Gerard Salandrino, Alessandro Kharintsev, Sergey S. Noskov, Aleksei I. Potma, Eric O. Fishman, Dmitry A. |
| author_facet | Ziemkiewicz, David Knez, David Garcia, Evan P. Zielińska-Raczyńska, Sylwia Czajkowski, Gerard Salandrino, Alessandro Kharintsev, Sergey S. Noskov, Aleksei I. Potma, Eric O. Fishman, Dmitry A. |
| contents | Two-photon absorption in indirect gap semiconductors is an frequently encountered, but not well-understood phenomenon. To address this, the Real Density Matrix Approach is applied to describe two-photon absorption in silicon through the excitonic response to the interacting fields. This approach produces an analytical expression for the dispersion of the two-photon absorption coefficient for indirect-gap materials, and can be used to explain trends in reported experimental data for bulk silicon both old and new with minimal fitting. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_01019 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Two-photon absorption in silicon using real density matrix approach Ziemkiewicz, David Knez, David Garcia, Evan P. Zielińska-Raczyńska, Sylwia Czajkowski, Gerard Salandrino, Alessandro Kharintsev, Sergey S. Noskov, Aleksei I. Potma, Eric O. Fishman, Dmitry A. Optics Two-photon absorption in indirect gap semiconductors is an frequently encountered, but not well-understood phenomenon. To address this, the Real Density Matrix Approach is applied to describe two-photon absorption in silicon through the excitonic response to the interacting fields. This approach produces an analytical expression for the dispersion of the two-photon absorption coefficient for indirect-gap materials, and can be used to explain trends in reported experimental data for bulk silicon both old and new with minimal fitting. |
| title | Two-photon absorption in silicon using real density matrix approach |
| topic | Optics |
| url | https://arxiv.org/abs/2403.01019 |