Silicon Photonics Research Team
（Leader: Yamada Koji）

Silicon photonics is a high-density photonic integration platform technology based on the fabrication technology of silicon electronic devices and circuits. This cutting-edge technology provides us ultra-compact, energy-efficient and cost-effective photonic circuits, and also has superior reliability and capability of electronic-photonic integration. Therefore, this technology can be a breakthrough to the realization of SGDs via wide applications from information systems to sensing. For the industrial development and further radicalization of this technology, in our team, following research and development are intensively performed.

1) Standard silicon photonics technology based on the state-of-art fabrication technologies and design methods.
2) Advanced silicon photonics based on heterogeneous material integration, machine learning and neural network technologies.
3) Construction of a silicon photonics R&D eco system for open innovation.

Hybrid Photonics Research Team
（Leader: Okano Makoto）

The hybrid photonics research team is working on research and development to build a framework for new hybrid photonics technology that enables further development of existing photonics technology by integrating dissimilar materials and different technologies on a silicon photonics platform. We are developing a wide range of research activities from fundamentals to applications including dissimilar materials integration in which different types of materials such as compound semiconductors, Ge, etc. are integrated on a silicon photonics platform, combined silicon photonics/photonic crystal devices in which photonic crystal resonators and waveguides are integrated, fiber connection devices (elephant couplers) applying unique processing technology to create 90 degree bends in a direction perpendicular to silicon waveguides, optical transmission devices that utilize these base technologies, optical arithmetic circuits, and LiDAR.

Optical Integration Research Team
（Leader: Amano Takeru）

The optical integration research team is working on research and development with the aim of implementing next-generation high-performance combined opto-electronic computers, such as high-precision integration technology for optical connections between optical devices and optical packaging technology for integrating optical devices into electronics devices. In particular, we are aiming to realize opto-electronic co-packaging technology which is a core technology for the combined opto-electronic computers of the future, and are conducting research and development into the formation of polymer optical waveguides on electrical circuit boards, joining of optical multilayers using micromirrors, and new optical fiber connectors for opto-electronic co-packaging. Furthermore, we are actively working on joint research and national projects for societal implementation of this technology.

Photonics Systems Research Team
（Leader: Ikeda Kazuhiro）

The photonic systems research team is working on research and development of innovative photonic systems in a wide range of areas including optical integrated circuit technology, implementation and control technology, and quantum optics technology. We are not only conducting research and development into new integrated optical devices and implementation control technologies using silicon photonics as a platform from the user perspective, but are also developing a wide range of research and development activities from devices to systems and networks through vertical collaboration between areas, such as proving new optical transmission and quantum optics technology utilizing these new devices and technologies through collaboration with other teams. We are also actively working on fundamental research themes which could become the next foundation for photonics systems.

Optical Network Research Team
（Leader: Mizutani Kenji）

Optical Network Research Team is conducting research and development of advanced optical networks from the physical layers to the upper layers using technology based on optical signal processing devices and integrated photonic functional devices, optical transmission technology, and optical network control technology. We are aiming to realize virtualized and automated optical networks with high capacities, low power consumption, low latency, and high security, involving advanced optical transmission technology, control technology, and opto-electronic hybrid switches.