Duy Tu, Dao, 		Ho, Linh, 		Truong Cao, Dung, AND 		Tan Nguyen, Hung.
" All-Optical Half Adder Based on a 2x2 Multimode Interference Coupler" <em>Journal of Science and Technology: Issue on Information and Communications Technology</em> [Online], Volume 4 Number 1 (30 September 2018)