Thomas Jennewein (University Waterloo) Shayan Mookherjea (University of California San Diego Department of Electrical and Computer Engineering) Yasuhiro Tokura (University of Tsukuba Faculty of Pure and Applied Sciences), tokura.yasuhiro.ft@u.tsukuba.ac.jp Dirk Englund (Massachusetts Institute of Technology) Paolo Villoresi (Padua Quantum Technologies Research Center), paolo.villoresi@dei.unipd.it