Alexandre W. Walker received the B.Sc. degree in astrophysics from Queen’s University, Kingston, ON, Canada, in 2007, and the M.Sc. and Ph.D. degrees in physics from the University of Ottawa, Ottawa, ON, Canada, in 2008 and 2013, respectively. From 2013 to 2016, he was a Research Scientist with the Fraunhofer Institute for Solar Energy Systems, Freiburg, Germany, focusing on photovoltaics for space applications. Since 2016, he has been a Research Officer with Advanced Electronics and Photonics Research Centre, NRC, and in 2018 he became an Adjunct Professor with the Department of Physics, University of Ottawa. He has authored or coauthored more than 60 articles and conference proceedings, and holds three patents. His research interests include imaging in the short-wave infrared, single photon detection for LiDAR, photon power converters for wireless power transmission, and next generation sensors for high radiation environments.