Terahertz quantum-cascade lasers are based on intersubband optical transitions that could be “engineered”. Operation above 160 K has been demonstrated for frequencies ranging from 1.8-4.4 THz. This talk reviews their recent progress, design aspects and future challenges.

© 2010 Optical Society of America

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription