High efficiency intersubband semiconductor lasers Grant US-7856042-B2 United States of America 21 Dec 2010
Quantum well lasers with strained quantum wells and dilute nitride barriers Grant US-7457338-B2 United States of America 25 Nov 2008
High efficiency intersubband semiconductor lasers Grant US-7403552-B2 United States of America 22 Jul 2008
Type II quantum well mid-infrared optoelectronic devices Grant US-7256417-B2 United States of America 14 Aug 2007