Field and intensity correlations: the Siegert relation from stars to quantum emitters

Abstract

The Siegert relation relates field and intensity temporal correlations. After a historical review of the Siegert relation and the Hanbury Brown and Twiss effect, we discuss the validity of this relation in two different domains. We first show that this relation can be used in astrophysics to determine the fundamental parameters of stars, and that it is especially important for the observation with stellar emission lines. Second, we verify the validity of this relation for moving quantum scatterers illuminated by a strong driving field.

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Cited by in corpus (2)

• Stellar intensity interferometry in the photon-counting regime
• Distinguishing thermal and pseudothermal light by testing the Siegert relation