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TERAHERTZ OPTICS

Giant multiphoton absorption in silicon

Nature Photonics volume 12, pages 125–126 (2018)Cite this article

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With the availability of high-intensity terahertz free-electron lasers, surprisingly large multiphoton absorptions in a phosphorus atom doped in a silicon crystal have been obtained, providing the possibility of a hydrogen-like system in silicon photonics and quantum information devices.

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Fig. 1: Two-photon transitions in hydrogen systems.

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Authors and Affiliations

  1. Department of Physics and Electronics, Osaka Prefecture University, Naka-ku, Sakai, Osaka, Japan

    Nobuhiko Yokoshi & Hajime Ishihara

  2. Department of Materials Engineering Science, Osaka University, Toyonaka, Osaka, Japan

    Hajime Ishihara

Authors
  1. Nobuhiko Yokoshi
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  2. Hajime Ishihara
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Correspondence to Nobuhiko Yokoshi or Hajime Ishihara.

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Yokoshi, N., Ishihara, H. Giant multiphoton absorption in silicon. Nature Photon 12, 125–126 (2018). https://doi.org/10.1038/s41566-018-0119-2

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  • DOI: https://doi.org/10.1038/s41566-018-0119-2

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