Terahertz frequency metrology

Michele De Regis; Luigi Consolino; Malik Nafa; Francesco Cappelli; Saverio Bartalini; Paolo De Natale

doi:10.1117/12.2529347

6 September 2019 Terahertz frequency metrology

Michele De Regis, Luigi Consolino, Malik Nafa, Francesco Cappelli, Saverio Bartalini, Paolo De Natale

Proceedings Volume 11124, Terahertz Emitters, Receivers, and Applications X; 111240N (2019) https://doi.org/10.1117/12.2529347
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

We provide an overview on THz frequency metrology, starting from the nowadays available continuous wave THz sources, discussing their main features such as tunability, spectral purity and possibility of frequency referencing to the primary frequency standard. A comparison on the achieved results in high precision molecular spectroscopy is given and discussed, and finally a special emphasis is placed on the future developments of this upcoming field. In fact, particular attention will be given to new generation metrological-grade THz sources, such as a novel 3-octaves-spanning roomtemperature continuous-wave source based on difference frequency generation, and the latest developments regarding quantum cascade laser frequency combs based on four-wave-mixing nonlinear processes.

Conference Presentation

Citation Download Citation

Michele De Regis, Luigi Consolino, Malik Nafa, Francesco Cappelli, Saverio Bartalini, and Paolo De Natale "Terahertz frequency metrology", Proc. SPIE 11124, Terahertz Emitters, Receivers, and Applications X, 111240N (6 September 2019); https://doi.org/10.1117/12.2529347

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