Direct measurement of the phase coherence of quantum cascade comb sources
Authors: Bartalini S., Consolino L., Cappelli F., Campo G., Galli I., Mazzotti D., Cancio P., Scalari G., Faist J., De Natale P.
Autors Affiliation: CNR-INO-Istituto Nazionale di Ottica, Largo Enrico Fermi 6, Firenze FI, 50125, Italy; Institute for Quantum Electronics, ETH Zurich, Zürich, 8093, Switzerland; PqSense Srl, Via Gattinella 20, Campi Bisenzio FI, 50013, Italy
Abstract: Thanks to a novel method for directly and simultaneously measuring the instantaneous phases of the modes of mid-infrared and THz quantum cascade lasers combs, the phase coherence of these sources is presented and discussed.
Conference title: 2018 Conference on Lasers and Electro-Optics (CLEO 2018)
KeyWords: Quantum cascade laser; Optical frequency comb