Thuy, B., 		Ngoc, D., & 		Thanh, L.
(2022).
 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, 39</em>(2).
doi:10.25073/2588-1086/vnucsce.446