Congratulations to lead author Dr. Chiara Trovatello on this exciting paper, titled "Quasi-phase-matched up- and down-conversion in periodically poled layered semiconductors" - a collaboration with the groups of Milan Delor, Dmitri Basov, Jiwoong Park, Philip Walther, Cory R Dean, Lee A Rozema, Andrea Marini, and Giulio Cerullo. A press release summarizing the work can be found here.