@article {607781,
	title = {High-efficiency second-harmonic generation in doubly-resonant χ (2) microring resonators},
	journal = {Optics express},
	volume = {20},
	year = {2012},
	pages = {7526-7543},
	isbn = {1094-4087},
	url = {http://dx.doi.org/10.1364/OE.20.007526},
	author = {Bi, Zhuan-Fang and Rodriguez, Alejandro W and Hashemi, Hila and Duchesne, David and Loncar, Marko and Wang, Ke-Ming and Johnson, Steven G}
}
