Direct link of a mid-infrared quantum cascade laser to a frequency comb by optical injection

Year: 2012

Authors: Borri S., Bartalini S., Galli I., Cappelli F., Bismuto A., Cancio P., Giusfredi G., Mazzotti D., Faist J., De Natale P.

Autors Affiliation: Istituto Nazionale di Ottica (INO) – CNR
European Laboratory for Non-linear Spectroscopy (LENS)
Dipartimento di Fisica, Università di Firenze
Institut fur Quantenelektronik, Eidgenossische Techniche Hochshule Zurich (ETHZ)

Abstract: A room-temperature mid-infrared QCL is injection-locked by a narrow-linewidth comb-linked nonlinear source. The QCL reproduces the injected radiation within similar to 94%, with a frequency noise reduction of 3-4 orders of magnitude. (C) 2011 Optical Society of America


KeyWords: quantum cascade laser; optical frequency comb; injection locking