He obtained a Ph.D. in physics from the University of Notre Dame, Indiana, in 1986. He has been member of the faculty at Colgate University since 1988—currently the Charles A. Dana Professor of Physics and Astronomy. His research interests include atomic and optical physics and physics education. Recent research projects include studies of light in complex scalar and vector modes, and photon entanglement. Educational projects include modernizing the introductory physics curriculum and the development new laboratories to teach about light and quantum mechanics. He is a Senior Member of SPIE, Fellow of OSA, and has received two APS awards.
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