A silicon nitride optical ring isolator is realized by spatiotemporal modulation using bulk acoustic wave stress-optical transducers. By driving three actuators with fixed relative phases, over 17 dB isolation is achieved. (C) 2020 The Author(s)
Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Hobeom Kim, Cansu Igci, So-Min Yoo, Marc Dessimoz
Christian Enz, Francesco Chicco, Sammy Cerida Rengifo