Tan Chee-Keong, Tansu Nelson
Center for Photonics and Nanoelectronics, Department of Electrical and Computer Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
Nat Nanotechnol. 2015 Feb;10(2):107-9. doi: 10.1038/nnano.2014.333. Epub 2015 Jan 19.