[1] Australian Natl Univ, Res Sch Phys & Engn, Arc Ctr Excellence Future Low Energy Elect Techno, Canberra, ACT 2601, Australia
[2] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, Canberra, ACT 2601, Australia
[3] Tianjin Univ, Inst Mol Plus, Tianjin 300072, Peoples R China
[4] Polish Acad Sci, Inst Phys, A Lotinikow 32-46, PL-02668 Warsaw, Poland
[5] PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan
[6] RIKEN, Ctr Emergent Matter Sci, Quantum Funct Syst Res Grp, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
[7] Natl Renewable Energy Lab, Golden, CO 80401 USA
[8] Princeton Univ, Princeton Inst Sci & Technol Mat PRISM, Princeton, NJ 08544 USA
[9] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[10] Monash Univ, Arc Ctr Excellence Future Low Energy Elect Techno, Melbourne, Vic 3800, Australia
[11] Monash Univ, Sch Phys & Astron, Melbourne, Vic 3800, Australia
[12] Nanyang Technol Univ, Div Phys & Appl Phys, Singapore, Singapore
[13] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA
[14] Australian Natl Univ, Res Sch Phys & Engn, Laser Phys Ctr, Canberra, ACT 2601, Australia