1.6 Gb/s Optical Transmission Experiment with Monolithic Integrated Circuits. - Kiyoshi Nakagawa; Katsushi Iwashita; M. Ohara; Susumu Horiguchi (ICC (2), 1984)

Transmission Limitations Due to Fiber Nonlinearities in Optical FDM Systems. - Nori Shibata; Kiyoshi Nosu; Katsushi Iwashita; Yuji Azuma (IEEE J. Sel. Areas Commun., 1990)

High-Speed Optical Transmission Systems Using Advanced Monolithic IC Technologies. - Kiyoshi Nakagawa; Katsushi Iwashita (IEEE J. Sel. Areas Commun., 1991)

Towards Adaptive Networking. - Toshiaki Miyazaki; Katsushi Iwashita (HASE, 2002)

Performance of a Recursive RWA Algorithm for WDM Networks. - Ardian Greca; Katsushi Iwashita; Kiyoshi Nakagawa (PDPTA, 2002)

Special Section on Next Generation Network Management. - Katsushi Iwashita (IEICE Trans. Commun., 2007)

Experimental Compensation for FWM Induced Crosstalk with Digital Coherent Detection. - Jing Liang; Katsushi Iwashita (IEICE Trans. Commun., 2011)

Passive Optical Delivering Network Using Conventional Graded-Index Multi-Mode Fiber With Mode Division Multiplexing and Sub-Carrier Multiplexing. - Bishal Poudel; Joji Oshima; Hirokazu Kobayashi; Katsushi Iwashita (JOCN, 2018)

Multi-User MIMO in Visible Light Communications by Superposed Intensity Modulated Signals. - Kensuke Kobayashi; Hirokazu Kobayashi; Katsushi Iwashita (OECC/PSC, 2019)

Flexible Bandwidth Allocation using OFDM in Mode Forming Optical Access Network. - Miho Akiyama; Hirokazu Kobayashi; Katsushi Iwashita (OFC, 2021)