January 2022 Vol. 20 No. 112022

https://www.ntt-review.jp/archive/2022/202201.html

Front-line Researchers
Toshikazu Hashimoto, Senior Distinguished Researcher, NTT Device Technology Laboratories

Rising Researchers
Yosuke Todo, Distinguished Researcher, NTT Social Informatics Laboratories

Feature Articles
NTT Research: Open Collaboration to Upgrade Reality
Opening Up about Our Collaboration Strategy
Making the Blockchain Ecosystem Secure, Scalable, and Sustainable
The Future of Problem Solving: The Coherent Ising Machine Approach
Bio Digital Twin Research Update
A New Lab Exploring Emergent Matter from LightFeature Articles
Research and Development of Security in the IOWN Era
Security as Driving Force of the Future
Secure Optical Transport Network
Cryptographic Circuit Technology Consisting of Optical Logic Gates
Trusted Data Space for Creating Value from Data in a Chain Reaction MannerFeature Articles
Olympic and Paralympic Games Tokyo 2020 andNTT R&D—Technologies that Colored Tokyo 2020 Games
Initiatives toward a New Way of Experiencing and Supporting the Torch Relay
Torch Relay Commemorative Photography × Ultra-realistic Communication Technology Kirari!
Direction for Supporting Torchbearers × Swarm Communication Control Technology
Stage Production for Celebration of Torch Relay × Ultra-realistic Communication Technology Kirari!
Torch Relay Regional Event × Voice-recognition Communication Technology

Feature Articles
Olympic and Paralympic Games Tokyo 2020 andNTT R&D—Technologies that Supported Tokyo 2020 Games
High-efficiency Wi-Fi Technologies
Network Security

Global Standardization Activities
Report on ITU-T SG2 Standardization of Telecommunication Numbering

Front-line Researchers

Toshikazu Hashimoto, Senior Distinguished Researcher,
NTT Device Technology Laboratories▼Abstract
Today, everything is digitalized. In the creative process, however, not only digital
thinking but also analog thinking, which captures events as they are, is considered
important. Toshikazu Hashimoto, a senior distinguished researcher at NTT Device
Technology Laboratories, is researching and developing optical circuits to enable
new information processing using the analog characteristics of light. We interviewed
him about the progress of his research activities and his attitude as a researcher.

Feature Articles
NTT Research: Open Collaboration to Upgrade Reality

Opening Up about Our Collaboration Strategy▼Abstract
There are several means of conducting scientificresearch. Corporations have traditionally adopted aproprietary approach. The academic world, by contrast,
conducts research in a more open and collaborative
manner. This article compares these two approaches in
the context of basic and applied research; explains why
NTT Research, a private company, has adopted an
Open Lab model; and reviews how this is working out inpractice.

Feature Articles
Research and Development of Security in the IOWN Era

Security as Driving Force of the Future▼Abstract
This article describes research and development (R&D)
of security in the Innovative Optical and Wireless
Network (IOWN) era to create a prosperous andenriching society. We seek to change the role of security
to activating people and ideas. This new form of security
will solve diverse problems related to security motivationin individuals, organizations, and society, convert ideas
and computing resources directly into work, and ensure
continuous security. We will achieve this through R&D
based on the three pillars of theory, data-driven
approach, and communication.

Extended

Security

Efficient

Continuous