1. Broadband heterogeneous terahertz frequency quantum cascade laser. Issue 21 (1st October 2018) Authors: Li, L.H.; Garrasi, K.; Kundu, I.; Han, Y.J.; Salih, M.; Vitiello, M.S.; Davies, A.G.; Linfield, E.H. Journal: Electronics letters Issue: Volume 54:Issue 21(2018) Page Start: 1229 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗