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Conferences > AIS > 2023 > JM2B > JM2B.6

Reconsidering shot noise in dual-comb spectroscopy

Mathieu Walsh and Jérôme Genest

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Abstract

Widening the detection bandwidth to acquire several spectral aliases unlocks a lower shot noise limit in dual-comb spectroscopy. This occurs while the power spectral density in all measurements respects the 2qI limit imposed by the semi-classical photodetection model, leading to the need to rethink the commonly accepted shot noise limit in Fourier transform spectroscopy.

© 2023 The Author(s)

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