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)