Switching Characteristics of All-Optical Wavelength-Selective Switch Using Waveguide-Type Raman Amplifiers and 3-dB Couplers. - Hiroki Kishikawa; Nobuo Goto (IEICE Trans. Electron., 2006)

Optical Switch by Light Intensity Control in Cascaded Coupled Waveguides. - Hiroki Kishikawa; Nobuo Goto (IEICE Trans. Electron., 2007)

Optimization of Two-Dimensional Filter in Time-to-Space Converted Correlator for Optical BPSK Label Recognition Using Genetic Algorithms. - Naohide Kamitani; Hiroki Kishikawa; Nobuo Goto; Shin-ichiro Yanagiya (IEICE Trans. Electron., 2011)

Performance Analysis of All-Optical Wavelength-Shift-Free Format Conversion from QPSK to Two BPSK Tributaries Using FWM and Interference. - Rina Ando; Hiroki Kishikawa; Nobuo Goto; Shin-ichiro Yanagiya; Lawrence R. Chen (IEICE Trans. Electron., 2016)

Increase of Recognizable Label Number with Optical Passive Waveguide Circuits for Recognition of Encoded 4- and 8-Bit BPSK Labels. - Hiroki Kishikawa; Akito Ihara; Nobuo Goto; Shin-ichiro Yanagiya (IEICE Trans. Electron., 2017)

Optical OAM Mode Conversion by Higher Order Elastic Vortex Wave. - Takuya Shoro; Hiroki Kishikawa; Nobuo Goto (OECC/PSC, 2019)

A Complex Fiber Sensor System for Three Parameters Measurement Simultaneously. - Yi-Lin Yu; Shien-Kuei Liaw; Hiroki Kishikawa; Nobuo Goto (OECC/PSC, 2019)

40 Gb/s × 8 WDM Bi-directional Transmission in 100 GHz Channel Spacing using Dispersion Compensating Fiber. - Lina Marlina; Shofuro Afifah; Hiroki Kishikawa; Shien-Kuei Liaw (WOCC, 2021)

Accurate Peak Detection for Optical Sensing with Reduced Sampling Rate and Calculation Complexity. - Jiun-Yu Sung; Jin-Kai Chen; Shien-Kuei Liaw; Hiroki Kishikawa (Sensors, 2021)

Demonstration of All-Optical Ultrafast Switching, Using High-Quality Graphene. - Tomoki Kusaka; Akihiro Furube; Tetsuro Katayama; Hiroki Kishikawa; Yasuhide Ohno; Masao Nagase; Junichi Fujikata (OECC/PSC, 2022)

Investigation of Silicon Core-Based Fiber Bragg Grating for Simultaneous Detection of Temperature and Refractive Index. - Yi-Lin Yu; Yu-Hua Hong; Yu-Hsuan Chen; Hiroki Kishikawa; Kimio Oguchi (Sensors, 2023)