Abstract
Air-bridged photonic crystal slabs are demonstrated at visible and near-infrared wavelengths. We present experimental and theoretical studies of the transmission spectra of air-bridged photonic crystal slabs with free space illumination using collimated and focused beams. We show that the resonances of an air-bridged photonic crystal slab exhibit considerable differences in their sensitivity to the angle of illumination. We show that the variation in the quality factor of a resonance with the incident angle of illumination is determined by the symmetry of its field distribution. Last, we present experimental and theoretical results on the transmission spectra of air-bridged photonic crystal slabs with focused illumination, important due to the finite angular spread of real optical beams.
Original language | English |
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Pages (from-to) | 115126-1-4 |
Journal | Physical Review. B, Condensed Matter and Materials Physics |
Volume | 73 |
Issue number | 11 |
DOIs | |
Publication status | Published - 2006 |