Archivio Istituzionale della RicercaCompact vapor-cell clocks are becoming a mature technology but there is still room for improvement to push their performance to their intrinsic limit. To this aim, we need to understand and characterize all the underlying noise processes. In this work, we present a setup to measure the PM-to-AM conversion in thick alkali vapors rejecting all other noise sources (AM, shot, electronics) by means of multichannel acquisition and cross-correlation.
PM/AM Conversion Measurement for Narrow-Linewidth Lasers with RIN and Shot-noise Reduction / Carbone, Michele; Costanzo, Giovanni Antonio; Calosso, Claudio Eligio; Gozzelino, Michele; Levi, Filippo; Micalizio, Salvatore. - ELETTRONICO. - (2025), pp. 1-3. (Intervento presentato al convegno 2025 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) tenutosi a Queretato (Mex) nel 12-16 May 2025) [10.1109/EFTF/IFCS64367.2025.11194668].
PM/AM Conversion Measurement for Narrow-Linewidth Lasers with RIN and Shot-noise Reduction
Costanzo, Giovanni Antonio;
2025
Abstract
Compact vapor-cell clocks are becoming a mature technology but there is still room for improvement to push their performance to their intrinsic limit. To this aim, we need to understand and characterize all the underlying noise processes. In this work, we present a setup to measure the PM-to-AM conversion in thick alkali vapors rejecting all other noise sources (AM, shot, electronics) by means of multichannel acquisition and cross-correlation.
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EFTF2025_final.pdf
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PM_AM_Conversion_Measurement_for_Narrow-Linewidth_Lasers_with_RIN_and_Shot-noise_Subtraction.pdf
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https://hdl.handle.net/11583/3001874