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Thermodynamic Upper Bound on Broadband Light Coupling with Photonic Structures
Thermodynamic Broadband Light Coupling Photonic Structures
2015/8/7
The coupling between free space radiation and optical media critically influences the performance of optical devices. We show that, for any given photonic structure, the sum of the external coup...
Mapping local optical densities of states in silicon photonic structures with nanoscale electron spectroscopy
Mapping local optical densities silicon photonic structures nanoscale electron spectroscopy
2015/8/10
Relativistic electrons in a structured medium generate radiative losses such as Cherenkov and transition radiation that act as a virtual light source, coupling to the photonic densities of states. The...