Thuy, Bui, Dang The Ngoc, & Le Trung Thanh.
" On-Chip All-Optical Haar Transform Based  on A 4x4 MMI Coupler Cascaded with a 2x2 MMI Coupler  for Image Compression." <em>VNU Journal of Science: Computer Science and Communication Engineering</em> [Online], 39.2 (2023): n. pag. Web. 27 Jul. 2024