Alfred Cho

Colombelli, R. ., Srinivasan, K. ., Troccoli, M. ., Painter, O. ., Gmachl, C. ., Tennant, D. ., … Capasso, F. . (2003). Quantum Cascade Surface-Emitting Photonic Crystal Laser. Science, 302, 1374–1377. http://doi.org/10.1126/science.1090561 (Original work published November 2003)