The presentations will address the following topic areas and will bring the attendee up to speed on the latest trends and debates in this sector.

Review of System Types

The Master Class will first outline the types of usages and key performance requirements which vary from Repeatered Systems (Repeaters and Branching Units), Unrepreatered Systems (inc, High Fibre Count Cable and ROPA’s), and will also outline the evolution of transmission technology which dominates wet plant design.


After 2 decades of relatively little technical churn we are now looking at a range of exciting options for the future. Wideband repeaters with C+L technology and high fiber count repeaters will provide solutions for huge capacity demands. Long span repeater with narrow band is an economic solution for regional systems. SDM technology such as multi-core will be one of the breakthrough technologies for the capacity crunch.  The attendees will be taken through the latest developments in this area

Branching Units

Similar to the Repeaters, the Branching Unit requirements are changing massively as Terrestrial Technologies functionality starts to impinge on Submarine Systems, in particular the need for greater wavelength agility. Reliability and housing layout are the watchwords here. The presenters will bring the latest thinking on component reliability and housing layout considering installation design to the fore.


The cable is the most major portion of the wet plant. Recent demands for both capacity and economy stimulates evolution of cable as well as repeaters.  The presenters will present the latest development and the futures perspectives.

Principal Instructor, Wet Plant Design and Qualification
Kenichi Yoneyama, Assistant General Manager of Submarine Network Division

Mr. Kenichi Yoneyama, Assistant General Manager of Submarine Network Division at NEC Corporation, has worked for the Submarine Cable industry for more than 25 years. He started his carrier designing Submarine Repeater, then went on to widen his role as System Designer and Project Manager of Submarine Cable System construction. He was involved in the design of Optical 3R Repeaters and Optical Amplifying Repeaters from its conceptual design phase, targeting International markets as well as the Japanese domestic. Later, he designed WDM Submarine Cable system like China-US, APCN2, AJC, AUFS, RJCN, SEA-ME-WE-5, FASTER etc. For the past 15 years, he has been actively taking part in the role as Project Manager on several Japanese domestic systems, as well as European, US and Asia-Pacific systems. His current responsibilities include overall management of Project Team Leaders.

Associate Instructor, Wet Plant Design and Qualification
Dr. Dmitriy Kovsh, Director of Transmission Design Group

Dmitriy received his PhD in Optics from CREOL, School of Optics, University of Central Florida. In the past 15 years he was working in SubCom in the area of modeling optical performance of undersea networks and developing related software tools. He is currently a Director of Transmission Design Group responsible for generating designs of new undersea cable networks and developing specifications that drive system implementation.


Associate Instructor, Wet Plant Design and Qualification
Daishi Masuda, Manager, Submarine System Plant Engineering

Daishi Masuda  is a manager in the OCC’s Submarine System Plant Engineering Department. He joined OCC’s Submarine Systems Division in 2000 and worked in quality assurance department for 12 years. After moving to the engineering department he has been engaged to R&D activities related to submarine cables and cable connection hardware. Recently, he served as the factory’s lead technical manager for FASTER, AAE-1, SMW5, SEA-US, SACS, IGG etc. His current roles are management of new cable development, optical fiber evaluation and design of cable connection hardware for submarine cable systems.