1. Nonlinear Physics Center, Research School of Physics, Australian National University, Canberra, Australian Central Territoty 2601, Australia
2. Centre of Translational Atomaterials (CTAM), Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
3. State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
4. Optical Sciences Centre, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia