OKAMOTO Eiji

OKAMOTO Eiji is a Professor at the Department of Electrical and Mechanical Engineering, School of Engineering, Nagoya Institute of Technology. His research focuses on quantum cryptography, satellite communications, wireless networks, 5G/6G technology, information security, and Sub-THz imaging. He has made significant contributions to the fields of quantum key distribution, non-terrestrial networks, and secure wireless communications.

OKAMOTO received his Doctor of Informatics from Kyoto University in 2003, Master of Engineering in 1995, and Bachelor of Engineering in 1993, all from Kyoto University. Prior to his current position, he worked at the Communications Research Laboratory, Ministry of Posts and Telecommunications (1995-2002), NICT (2011-2013), and Simon Fraser University (2004).

Professor OKAMOTO's research interests span multiple cutting-edge areas in communications technology. His work in quantum cryptography focuses on improving information reconciliation for continuous-variable quantum key distribution using polar codes and raptor codes. In satellite communications, he has conducted extensive research on non-terrestrial networks and optical satellite data relay systems. His contributions to wireless networks include developing low-latency communication techniques, advanced multiple access methods, and secure communication protocols. His recent work in Sub-THz imaging has led to innovations in hazardous material identification and complexity reduction methods.

Analysis of his recent publications reveals a strong focus on quantum key distribution systems, with multiple papers addressing information reconciliation efficiency. There's also a significant emphasis on non-terrestrial networks for 6G applications, particularly leveraging LEO satellites and optical communications. His research bridges theoretical advances with practical implementations, as evidenced by numerous papers on experimental demonstrations and system implementations.

• Education Achievement Award from IEICE (2025)
• Best Paper Award from IEICE Communications Society (2024)
• Satellite Communication Research Award (2023)
• Activity Merit Award (Review Committee) (2022)
• Meritorious Service Award (Research Committee Chair) (2022)
• Excellent Teaching Award from Nagoya Institute of Technology (2022)
• IEICE ComEX Top Downloaded Letter Award (2022)
• IEICE Fellow (2022)

Professor OKAMOTO actively mentors numerous graduate students, with recent research involving M1 and M2 students working on quantum cryptography, Sub-THz imaging, and non-terrestrial networks. His laboratory at Nagoya Institute of Technology has received funding for research on quantum cryptography communication (2019), autonomous driving (2014), sensor networks (2009), and optical satellite communication (2008). He has served as a committee member for numerous academic societies including IEEE and IEICE.

Professor OKAMOTO leads the Eiji Okamoto Laboratory at Nagoya Institute of Technology, which focuses on creating next-generation mobile and satellite communication systems. The laboratory aims to cultivate independent thinking engineers while developing new wireless (and wired) communication methods to realize a safer, more secure, and more convenient super-smart society. Current research projects include quantum cryptography, Sub-THz imaging for security applications, non-terrestrial networks for 6G, and low-latency communication techniques for autonomous driving and V2X applications.