1. School of Engineering, RMIT University, Melbourne, Victoria 3001, Australia
2. Quantum Photonics Laboratory and Centre for Quantum Computation and Communication Technology, School of Engineering, RMIT University, Melbourne, Victoria 3001, Australia
3. Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom
4. Department of Electrical and Computer Engineering, University of California, Davis, California 95616, United States
5. DTU Fotonik, Technical University of Denmark, Ørsteds Plads, Building 343, DK-2800 Kongens, Lyngby, Denmark
6. 3rd Institute of Physics, IQST, and Research Center SCoPE, University of Stuttgart, 70569 Stuttgart, Germany