1. Low-threshold room-temperature continuous-wave operation of a terahertz difference-frequency quantum cascade laser source. (18th July 2017) Authors: Fujita, Kazuue; Ito, Akio; Hitaka, Masahiro; Dougakiuchi, Tatsuo; Edamura, Tadataka Journal: Applied physics express Issue: Volume 10:Number 8(2017) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗