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We present a temporal coupled-mode theory for the Fano resonance in light scattering by individual obstacle. As an application, we design a structure that exhibits strong absorption and weak scattering properties at the same frequency.
We show experimentally an all-optical analogue to electromagnetically induced transparency due to coherent interference between two coupled resonators. We measured an EIT-like resonance mode with quality factor of 11,800 using silicon ring resonators.
The relation between core size and surface modes in photonic-bandgap fibers is analyzed through numerical simulations. We present a simple criterion to predict the presence of surface modes and identify novel geometries that support no surface modes.
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