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We demonstrated GaN-based two-dimensional photonic crystal surface emitting lasers with a low threshold pumping energy density of about 2.7 mJ/cm2 and a large spontaneous coupling factor of 5times10-3, and lasing actions from three different band-edges.
We introduce a novel design of an all-dielectric near-field biosensor based on guided resonances in photonic crystal slabs. We demonstrate biosensor fabrication using all-optical and e-beam lithography techniques, compatible with large scale replication.
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