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Article Dans Une Revue Physical Review Applied Année : 2023

Plug-and-play measurement of chromatic dispersion by means of two-photon interferometry

Résumé

Since the first proof-of-principle experiments 25 years ago, quantum metrology has matured from fundamental concepts to versatile and powerful tools in a large variety of research branches, such as gravitational-wave detection, atomic clocks, plasmonic sensing, and magnetometry. At the same time, two-photon interferometry, which underpins the possibility of entanglement to probe optical materials with unprecedented levels of precision and accuracy, holds the promise to stand at the heart of innovative functional quantum sensing systems. We report a novel quantum-based method for measuring the frequency dependence of the velocity in a transparent medium, i.e, the chromatic dispersion (CD). This technique, using energy-time entangled photons, allows straightforward access to CD value from the visibility of two-photon fringes recorded in a free evolution regime. In addition, our quantum approach features all advantages of classical measurement techniques, i.e, flexibility and accuracy, all in a plug-and-play system.
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Dates et versions

hal-04126218 , version 1 (23-11-2023)

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Romain Dalidet, Anthony Martin, Mattis Riesner, Sidi-Ely Ahmedou, Romain Dauliat, et al.. Plug-and-play measurement of chromatic dispersion by means of two-photon interferometry. Physical Review Applied, 2023, 20 (2), pp.024026. ⟨10.1103/PhysRevApplied.20.024026⟩. ⟨hal-04126218⟩
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