A Conceptional Design on Optical Frequency-Division-Multiplexing Distribution Systems with Optical Tunable Filters. - Hiromu Toba; Kyo Inoue; Kiyoshi Nosu (IEEE J. Sel. Areas Commun., 1986)

An Optical FDM-Based Self-Healing Ring Network Employing Arrayed Waveguide Grating Filters and EDFA's with Level Equalizers. - Hiromu Toba; Kazuhiro Oda; Kyo Inoue; Kiyoshi Nosu; Tsutomu Kitoh (IEEE J. Sel. Areas Commun., 1996)

DPS Quantum Key Distribution System. - Kyo Inoue (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Amplification Characteristics of a Phase-Sensitive Amplifier of a Chirped Optical Pulse. - Kyo Inoue (IEICE Trans. Electron., 2019)

Generation Efficiency of Fiber Four-Wave Mixing for Phase-Shift Keying Signal Light. - Kyo Inoue; Koji Igarashi (IEICE Trans. Commun., 2019)

Reduction of Crosstalk Influence in a 7-Core Multicore Fiber by Frequency Interleave. - Shun Orii; Kyo Inoue; Koji Igarashi (IEICE Trans. Commun., 2019)

Bit-Error-Rate Degradation Due to Inter-Channel Crosstalk of Different Signal Format. - Naruki Shinohara; Koji Igarashi; Kyo Inoue (IEICE Trans. Commun., 2019)

Analysis of BER Degradation Owing to Multiple Crosstalk Channels in Optical QPSK/QAM Signals. - Kyo Inoue (IEICE Trans. Commun., 2021)

Quantum-Noise-Limited BPSK Transmission Using Gain-Saturated Phase-Sensitive Amplifiers. - Kyo Inoue (IEICE Trans. Commun., 2021)

Analysis of Signal Distribution in ASE-Limited Optical On-Off Keying Direct-Detection Systems. - Hiroki Kawahara; Kyo Inoue; Koji Igarashi (IEICE Trans. Commun., 2021)

Soft-decision FEc Designed for Optically Preamplified PAM4 Direct Detection. - Koji Igarashi; Takumi Takahashi; Seiichi Sampei; Kyo Inoue (OECC/PSC, 2022)

Level Allocation of Four-Level Pulse-Amplitude Modulation Signal in Optically Pre-Amplified Receiver Systems. - Hiroki Kawahara; Koji Igarashi; Kyo Inoue (IEICE Trans. Commun., 2023)

Robustness of Intensity-Modulation/Direct-Detection Secret Key Distribution against Spontaneous Raman Scattering in Wavelength-Multiplexed Systems with Existing Optical Transmission Signals. - Kyo Inoue; Daichi Terazawa (IEICE Trans. Commun., 2023)

Quantum conference key agreement based on differential-phase-shift quantum key distribution. - Kyo Inoue; Toshimori Honjo (Quantum Inf. Process., 2024)

Reduction of Fiber Four-Wave Mixing Generated from Modulated Lights by Inserting Dispersive Elements. - Ayano Inoue; Koji Igarashi; Shigehiro Takasaka; Kyo Inoue (IEICE Trans. Commun., 2025)