July, 2018


Photonic Structures

Photonic Structures for Optical Communication SILICON MODULATORS USING METAL-INSULATOR SWITCHING OF VANADIUM DIOXIDE We present silicon (Si) vanadium-dioxide (VO2) hybrid optical modulators motivated by the need for compact Si-compatible optical switches operating at THz speeds. VO2┬áis a functional oxide undergoing metal-insulator transition (MIT) near 67C, with huge changes in electrical resistivity and near-infrared transmission. The…

Posted by on July 19, 2018 in Uncategorized



Porous Silicon Biosensors Porous Silicon Bloch Surface and Sub-surface Waves Biosensors PSi refractometric sensing applications have generally been size limited to molecules that diffuse into the porous matrix to cause a measurable change in effective optical thickness. Molecules approaching the average pore diameter clog the pore and hinder molecular infiltration, which significantly deteriorates the transduced…

Posted by on July 19, 2018 in Uncategorized

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