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Giant multiphoton absorption for THz resonances in silicon hydrogenic donors

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  1. Article

    Open Access

    Highly efficient THz four-wave mixing in doped silicon

    Third-order non-linearities are important because they allow control over light pulses in ubiquitous high-quality centro-symmetric materials like silicon and silica. Degenerate four-wave mixing provides a dire...

    Nils Dessmann, Nguyen H. Le, Viktoria Eless, Steven Chick… in Light: Science & Applications (2021)

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  2. Article

    Open Access

    Topological phases of a dimerized Fermi–Hubbard model for semiconductor nano-lattices

    Motivated by recent advances in fabricating artificial lattices in semiconductors and their promise for quantum simulation of topological materials, we study the one-dimensional dimerized Fermi–Hubbard model. ...

    Nguyen H. Le, Andrew J. Fisher, Neil J. Curson, Eran Ginossar in npj Quantum Information (2020)

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  3. Article

    Open Access

    Giant non-linear susceptibility of hydrogenic donors in silicon and germanium

    Implicit summation is a technique for the conversion of sums over intermediate states in multiphoton absorption and the high-order susceptibility in hydrogen into simple integrals. Here, we derive the equivale...

    Nguyen H. Le, Grigory V. Lanskii, Gabriel Aeppli… in Light: Science & Applications (2019)

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