Browsing by Subject "photonics"
Now showing items 1-7 of 7
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(2021-10-20)Department: Electrical EngineeringSilicon avalanche photodiodes (Si APDs) are semiconductor p-n junction devices that convert photons into amplified electrical current by enhancing generated charge via avalanche. They are intrinsically immune to magnetic ...
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(2016-04-15)Department: Biomedical EngineeringThe inability to identify the parathyroid glands is a significant challenge during endocrine procedures. Successful parathyroid and thyroid surgeries require careful resection of diseased tissue and preservation of normal ...
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(2016-12-21)Department: PhysicsEngineering light-matter interaction at the nanoscale has the promise to enable technological advances in a wide range of technological applications, including biomolecular sensing, communication, quantum optics, displays, ...
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(2011-08-01)Department: Interdisciplinary Materials ScienceSilicon photonic crystal (PhC) cavities have attracted great interest recently due to their ability to highly confine light both spatially and temporally. The small mode volumes and long photon lifetimes associated with ...
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(Vanderbilt University. Dept. of Physics and Astronomy, 2011-04)I develop a perturbation theory for resonant frequency shifts caused by thin layer of material added to dielectric systems. This development can be used to effectively model photonic surface-sensing systems, which use ...
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(2013-04-30)Department: Electrical EngineeringThe field of nanophotonics has emerged as a promising platform for applications ranging from communications and computing, to sensing, solar energy harvesting, biomedicine, and beyond. Advancing these technologies requires ...
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(2014-11-25)Department: Interdisciplinary Materials ScienceThree previously unreported photo-carrier relaxation pathways are presented and discussed in GaAs-based systems. In bulk GaAs, a transient bleach of the spin-split exciton transition 1s->2p is reported following photo-excitation ...