We propose an innovative scheme exploiting discrete diffraction in a two dimensional array of coupled waveguides to determine the phase and amplitude of the mutual correlation function between any pair of three telescopes of an astrointerferometer.
@article{arxiv.1005.5000,
title = {Astrointerferometry with discrete optics},
author = {Stefano Minardi and Thomas Pertsch},
journal= {arXiv preprint arXiv:1005.5000},
year = {2011}
}