Demonstrating various quantum effects with two entangled laser beamsB. Hage, J. Janoušek, S. Armstrong, T. Symul, J. Bernu, H.M. Chrzanowski, P.K. Lam and H.A. BachorEur. Phys. J. D, 63 3 (2011) 457-461DOI: https://doi.org/10.1140/epjd/e2011-20153-9