Superradiant emission from colour centres in diamond - a flash of light from a solid-state hybrid quantum system

The Vienna University of Technology in Austria, the National Institute of Informatics and Nippon Telegraph and Telephone Corporation (NTT) in Japan have demonstrated the superradiance(*1) emission of ...

Creating a photonic topological insulator by current injection

– A novel principle of controlling topologically robust optical states based on gain and loss –

NTT Basic Research Laboratories and Tokyo Institute of Technology have theoretically found the scheme to create and control an artificial photonic material called “photonic topological insulator...