@article {1055716,
	title = {Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces},
	journal = {Nature Nanotechnology},
	volume = {12},
	number = {5},
	year = {2017},
	url = {http://www.nature.com/nnano/journal/vaop/ncurrent/full/nnano.2017.50.html},
	author = {Zhaoyi Li and Myoung-Hwan Kim and Wang, Cheng and Zhaohong Han and Sajan Shrestha and Adam Christopher Overvig and Ming Lu and Aaron Stein and Anuradha Murthy Agarwal and Lon{\v c}ar, Marko and Nanfang Yu}
}
