Siciliani De Cumis, MarioMarioSiciliani De CumisSimone BorriSaverio Avino2020-09-172020-09-172017-11-01https://hdl.handle.net/20.500.13025/5226Microresonators have undergone an impressive development in the last decade, opening new pathways to nonlinear optics, laser stabilization, spectroscopy and sensing. Here we present our recent results on linewidth narrowing of quantum cascade lasers and chemical sensing using crystalline solid and liquid whispering-gallery-mode resonators.ResonatorsQuantum cascade lasersLaser stabilityLaser modesVertical cavity surface emitting lasersSensorsResonant frequencyconference paper10.1109/IPCon.2017.81161285aabe0536c5e1b5a034b8b14http://ieeexplore.ieee.org/abstract/document/8116128/5aabe0536c5e1b5a034b8b14