Whispering Gallery Mode Resonators for mid-IR Quantum and Interband Cascade Laser analysis and control

Year: 2018

Authors: Siciliani de Cumis M., Borri S., Insero G., Viciani S., D’Amato F., Lopez Garcia I., Santambrogio G., D’Ambrosio D., Savchenkov A., Eliyahu D., Ilchenko V., Matsko A., Maleki L., De Natale P.

Autors Affiliation: ASI – Agenzia Spaziale Italiana – Centro di Geodesia Spaziale , Località Terlecchia, 75100 Matera, Italy; CNR-INO – Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, FI, Italy; INFN, Sezione di Firenze, 50019 Sesto Fiorentino, FI, Italy; INRIM Istituto Nazionale di Ricerca Metrologica, I-10135 Torino, Italy; OEwaves Inc., 465 North Halstead Street, Suite 140, Pasadena, CA 91107, U.S.A

Abstract: Interband and Quantum Cascade Lasers are key sources for MIR molecular sensing. Understanding their noise features and stabilizing their emission is of fundamental importance for applications like precision spectroscopy and metrology. High-Q crystalline Whispering Gallery Mode Resonators have proven to be powerful tools for characterization and stabilization of lasers from the UV to the MIR. Here, we report our recent results on Whispering Gallery Mode Resonators used for frequency characterization, stabilization and linewidth narrowing of Interband and Quantum Cascade Lasers. These results pave the way to new classes of compact MIR sources usable in Space missions, Metrology and Fundamental Physics.

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KeyWords: Laser resonators; Optical devices; Quantum cascade lasers; Resonators; Spectroscopy; Stabilization, Analysis and controls; Frequency characterization; High resolution; Interband cascade laser; Laser stabilization; Linewidth narrowing; Precision spectroscopy; Whispering gallery mode resonator, Whispering gallery modes


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