Author Affiliations

D. Ribezzo,^1,2 M. Zahidy,³ I. Vagniluca,⁴ N. Biagi,⁴ S. Francesconi,⁴ T. Occhipinti,⁴ L. K. Oxenløwe,³ M. Lončarić,⁵ I. Cvitić,⁶ M. Stipčević,⁵ Ž. Pušavec,⁷ R. Kaltenbaek,^7,8 A. Ramšak,⁷ F. Cesa,⁹ G. Giorgetti,¹⁰ F. Scazza,^9,1 A. Bassi,⁹ P. De Natale,¹ F. Saverio Cataliotti,^1,11 M. Inguscio,^1,4,12 D. Bacco,^3,4 and A. Zavatta^1,4

¹⁾National Research Council - National Institute of Optics (CNR-INO), Florence, Italy

²⁾Department of Physics "Ettore Pancini", University of Naples "Federico II", Naples, Italy

³⁾CoE SPOC, DTU Fotonik, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark

⁴⁾QTI SRL, Largo E. Fermi, 6 - 50125 Firenze, Italy

⁵⁾CEMS, Ruđer Bošković Institute, Zagreb, Croatia

⁶⁾Department of Information and Communication Traffic, University of Zagreb, Croatia

⁷⁾University of Ljubljana, Faculty of Mathematics and Physics, 1000 Ljubljana, Slovenia

⁸⁾IQOQI - Austrian Academy of Sciences, 1090 Vienna, Austria

⁹⁾Department of Physics, University of Trieste, Trieste, Italy

¹⁰⁾ICT service area, University of Trieste, Trieste, Italy

¹¹⁾Department of Physics, University of Florence, Florence, Italy

¹²⁾Department of Engineering, Campus Bio-Medico University of Rome, 00128 Rome, Italy