Dan Botez is a Philip Dunham Reed Professor of Electrical and Computer Engineering at the University of Wisconsin-Madison, He is the recipient of the 2010 Optica Nick Holonyak Jr. Award, and a Fellow of Optica and the IEEE. Mikhail A. Belkin is the Chair of Semiconductor Technology at the Walter Schottky Institute, Technical University of Munich. He is a recipient of the 2015 Friedrich Wilhelm Bessel research award among others. He is a Fellow of Optica and SPIE.