Subkilohertz-narrowed, frequency/phase-locked mid-IR quantum cascade lasers for high-precision molecular spectroscopy

Year: 2013

Authors: Cappelli F., Bartalini S., Cancio P., Galli I., Giusfredi G., Mazzotti D., De Natale P.

Autors Affiliation: Istituto Nazionale di Ottica (INO) – CNR
European Laboratory for Nonlinear Spectroscopy (LENS)

Abstract: We narrow QCL radiation below 1 kHz by using two different techniques: frequency locking to a molecular transition and phase locking to an absolutely-referenced difference-frequency-generated source. Applications of both techniques are presented.

Conference title: 2013 Conference on Lasers and Electro-Optics (CLEO 2013)

KeyWords: Frequency locking; High-precision; Molecular transitions; Phase-locking, Molecular spectroscopy; Quantum cascade lasers, Locks (fasteners)