Author:
Gabbrielli Tecla,Bruno Natalia,Corrias Nicola,Borri Simone,Consolino Luigi,Bertrand Mathieu,Shahmohammadi Mehran,Franckié Martin,Beck Mattias,Faist Jérôme,Zavatta Alessandro,De Natale Paolo,Cappelli Francesco
Abstract
We demonstrate the presence of intensity correlation in the harmonic comb emitted by quantum cascade lasers, paving the way for a deeper understanding of the role of the four-wave-mixing process enabling this emission.