Topology-aware clustering to achieve latency comparable to one-frame in multiplayer online games. - Yohei Aikawa; Yuichiro Hei; Tomohiko Ogishi; Sumaru Niida; Toru Hasegawa (ICC, 2013)

2-Bit Optical Decoder Based on 4x4 Multi-Mode Interferometer Coupler for BPSK-Modulated Signals. - Yohei Aikawa; Hiroyuki Uenohara (PSC, 2023)