We present broadband quantum cascade lasers emitting around 4.3 THz. A low beam divergence of 3° is achieved by using Silicon lens, and homogenous spectral broadening over 300 GHz is obtained with radio frequency modulation.

© 2018 The Author(s)

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