Article Dans Une Revue Physical Review Applied Année : 2023

Plug-and-Play Measurement of Chromatic Dispersion by Means of Two-Photon Interferometry

Anthony Martin
Sidi-Ely Ahmedou
  • Fonction : Auteur
Guillaume Walter
  • Fonction : Auteur

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 quantum based method for measuring the frequency dependence of the velocity in a transparent medium, i.e., 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 the 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 2 (23-11-2023)
hal-04126218 , version 1 (06-12-2025)

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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-04126218v1⟩
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