Speaker: Joshua Caldwell, PhD, Vanderbilt University
Bio: Dr. Joshua Caldwell was awarded his bachelors of Chemistry from Virginia Tech in 2000 before attending the University of Florida where he received his PhD in Physical Chemistry in 2004 where he applied resistively detected magnetic resonance methods to investigate electron-nuclear spin coupling within low-dimensional quantum wells and heterostructures. He accepted a postdoctoral fellowship at the Naval Research Laboratory, where through optical spectroscopy he worked to expand our understanding of defects within wide-band gap semiconductors. He was transitioned to permanent staff in 2007, where he transitioned to the fields of nanophotonics, investigating coupling phenomena within plasmonic materials. More recently, Dr. Caldwell merged his prior work in wide band gap semiconductor materials with his efforts in nanophotonics, leading to his efforts to use undoped, polar dielectric crystals for low-loss, sub-diffraction optics, with an focus on the opportunities afforded by two dimensional crystals. Dr. Caldwell was awarded a sabbatical at the University of Manchester with Prof. Kostya Novoselov in 2013-2014, investigating the use of van der Waals crystals such as hexagonal boron nitride for mid-IR to THz nanophotonics. He later accepted a tenured Associate Professorship at Vanderbilt University within the Mechanical Engineering in June, 2017. He is a four time recipient of the NRL Alan Berman Best Pure Science Paper Award, an NRL Thomas Edison Best Patent Award winner, and was recently chosen as a Fellow of the Materials Research Society. He has published over 140 papers, >5300 citations and 10 patents.
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