Integrated-Photonic Tunable Demultiplexer for Variable Channel Number Optical OFDM Signals. - Koichi Takiguchi; Hideaki Masaki; Taiki Taguchi (OFC, 2019)

Integrated-optic gate-free tunable filter for demultiplexing various channel symbol rate OFDM signals. - Koichi Takiguchi; Hideaki Masaki (OFC, 2021)

Integrated-optic Signal Cipher Circuit Using Two-dimensional Code. - Koichi Takiguchi; Hideaki Masaki (OECC/PSC, 2022)