13 February 2008 Photonic crystal slow light devices in silicon
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Photonic crystals offer strong confinement of light, as well as control over the group velocity. We compare the resulting enhancement to that available in cavities and show that the group velocity can be controlled over a large spectral range, thus giving access to nonlinear functions. We show how coupled cavities allow tuning of the slowdown factor and present a very compact (5 μm long) optical switch based on slow light concepts.
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Thomas F. Krauss, "Photonic crystal slow light devices in silicon", Proc. SPIE 6898, Silicon Photonics III, 689802 (13 February 2008); doi: 10.1117/12.783890; https://doi.org/10.1117/12.783890

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