Purcell factor and superradiance in Si-patterned waveguides.
Numerical modeling of slotted photonic crystal Si waveguides is reported. Employing multiple slots in a single waveguide, we obtained large Purcell enhancements for a large ensemble of emitters coupled with the same optical mode. This allows observation of peculiar physical phenomena, such as anisotropic bandgap superradiance.
Nanoscience Laboratory, Department of Physics, University of Trento, via Sommarive 14, Povo (TN), Italy. pitanti@science.unitn.it
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