Direct measurement of the phase coherence of comb sources

Year: 2018

Authors: Consolino L., Bartalini S., 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; LENS, European Laboratory for Non-Linear Spectroscopy, Via Nello Carrara 1, Sesto Fiorentino, FI 50019, Italy; Institute for Quantum Electronics, ETH Zurich, Zürich, 8093, Switzerland; PpqSense Srl, Via Gattinella 20, Campi Bisenzio, FI 50013, Italy

Abstract: We report on a novel and general method capable of measuring the coherence and the time evolution of the phases of laser comb modes. Applications to Near-IR, Mid-IR and Far-IR (THz) comb sources are presented.

Conference title: 2018 Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2018)

KeyWords: Comb source; Direct measurement; General method; Laser combs; Near-IR; Phase coherence; Time evolutions