20 February 2017 Whispering gallery mode stabilization of quantum cascade lasers for infrared sensing and spectroscopy
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Abstract
Narrow-linewidth lasers are key elements in optical metrology and spectroscopy. From their spectral purity, the measurements accuracy and the overall quality of collected data critically depend. Crystalline micro-resonators have undergone an impressive development in the last decade, opening new ways to photonics from the mm to the μm scale. Their wide transparency range and high Q-factor make them suitable for integration in compact apparatuses for precision spectroscopy from the visible to the mid-IR. Here, we present our recent results on frequency stabilization and linewidth narrowing of quantum cascade lasers using crystalline Whispering Gallery Mode Resonators for mid-IR precision spectroscopy.
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Simone Borri, Simone Borri, Mario Siciliani de Cumis, Mario Siciliani de Cumis, Giacomo Insero, Giacomo Insero, G. Santambrogio, G. Santambrogio, Anatoliy Savchenkov, Anatoliy Savchenkov, Danny Eliyahu, Danny Eliyahu, Vladimir Ilchenko, Vladimir Ilchenko, Andrey Matsko, Andrey Matsko, Lute Maleki, Lute Maleki, Paolo De Natale, Paolo De Natale, } "Whispering gallery mode stabilization of quantum cascade lasers for infrared sensing and spectroscopy", Proc. SPIE 10090, Laser Resonators, Microresonators, and Beam Control XIX, 1009008 (20 February 2017); doi: 10.1117/12.2250974; https://doi.org/10.1117/12.2250974
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