Quantum of Quasars: black-holes under the quantum microscope
Cedric Foellmi, Universite Joseph Fourier

Most of todays observationnal astronomy can be summarized as exploiting the 
various forms of the first correlation function g(1). The interpretation of 
this function needs only to consider light as a (classical) electromagnetic 
wave. I will show quickly what g(1) is, and why we could today open the 
window of the second order correlation function g(2). I will show that the 
Hanbury-Brown & Twiss (HBT) experiment was the first to use g(2), though to
 infer g(1). I will present new detectors developed in Grenoble and their 
properties, and show that, with it, one could foresee the exploitation of 
g(2). I will finish by presenting some prospective ideas of such exploration 
and possible interpretations of g(2), in the context of black-holes objects 
like (micro)quasars.