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Modulation at femtojoule scale

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Photonic crystal nanocavities can strongly enhance the interaction between light and matter. Researchers have now demonstrated high-speed signal generation and all-optical switching with energies in the femtojoule and sub-femtojoule regime.

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Figure 1: The efficient nanocavity laser demonstrated by Matsuo et al. is based on a PC line-defect waveguide in an air-suspended InP membrane.

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Authors and Affiliations

  1. Christian Koos, Juerg Leuthold and Wolfgang Freude are at the Institute of Photonics and Quantum Electronics at the University of Karlsruhe, Engesserstrasse 5, 76131 Karlsruhe, Germany.,

    Christian Koos, Juerg Leuthold & Wolfgang Freude

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  1. Christian Koos
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  2. Juerg Leuthold
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  3. Wolfgang Freude
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Correspondence to Christian Koos.

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Koos, C., Leuthold, J. & Freude, W. Modulation at femtojoule scale. Nature Photon 4, 583–584 (2010). https://doi.org/10.1038/nphoton.2010.212

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