1. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
2. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts02138, United States
3. College of Letters and Science, UCLA, Los Angeles, California90095, United States
4. QuTech, Delft University of Technology, 2600 GADelft, The Netherlands
5. Department of Physics, City College of New York, New York, New York10031, United States
6. Francis Bitter Magnet Laboratory, Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
7. U.S. Army CCDC Army Research Laboratory, Adelphi, Maryland20783, United States
8. Department of Physics, The Graduate Center, City University of New York, New York, New York10016, United States
9. Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, Texas78712, United States
10. Photonics Initiative, CUNY Advanced Science Research Center, New York, New York10031, United States
11. Department of Electrical Engineering, City College of the City University of New York, New York, New York10031, United States
12. Physics Program, Graduate Center, City University of New York, New York, New York10026, United States
13. Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28Prague 6, Czech Republic
14. Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States