Optical interconnection

A part of this report was introduced in the November 2022 of our periodical, “Yano E plus.”

– Advantages are Achieved by Utilizing the Properties of Light, Such as the High Speed and Directionality, and Those of Optical Fiber, Such as the Light Weight and Non-Interference. –

1. What is Optical Interconnection?

2. Related Technologies Gaining Attention

2-1. Optical Transceiver

2-2. Optical I/O Core

3. Market Size Forecast

4. Research and Development by Universities and Research Institutes

4-1. Keio University: Part 1

1) Optical Interconnection Devices for Exascale Computing

i. Transition of HPC System and Expansion of Application of Optical Interconnection

ii. Polymer Parallel Optical Waveguides

2) Fabrication of Polymer Parallel Optical Waveguides by the Mosquito Method

3) Application to Polymer Parallel Optical Waveguides

i. Single-Mode Optical Waveguides

ii. 3D Optical Waveguide Circuits

4-2. Keio University: Part 2

1) Project with the Ministry of Internal Affairs and Communications (MIC): Research and Development of Advanced Optical Transmission Technology Contributing to a Green Society

i. Background

ii. Policy Goals (Outcome Goals)

iii. Research and Development Goals (Output Goals)

iv. Challenge II: High-Capacity and High-Multiplex Optical Access Network Transmission Technology

2) Latest Presentations at the Institute of Electronics, Information and Communication Engineers (IEICE)

i. Innovative Optical Link Using Hollow Core Fiber (presented by Furukawa Electric Co., Ltd.)

ii. Development of Optical Access Network Transmission Technology that Achieves High Capacity, Low Power Consumption, and Low Cost (presented by Oki Electric Industry Co., Ltd.)

4-3. Tokyo Institute of Technology

1) Membrane Photonic Integrated Circuits

2) Multifunctional Photonic Integrated Circuits Utilizing Heterogeneous Material Integration Technology

3) 10Tbps-Class Next-Generation Communication Network

4-4. The University of Tokyo / Keio University / Research Institute for Electromagnetic Materials (DENIJKEN) / Yokohama National University / Tohoku University

1) Expectation toward the Realization of Unidirectional Waveguides in the Optical Communication Wavelength Band (https://www.rcast.u-tokyo.ac.jp/ja/news/release/20220428.html)

2) Utilization of Artificial Dimensions (https://www.rcast.u-tokyo.ac.jp/ja/news/release/20220129.html)

4-5. Tohoku University

1) Research on Ultra High-Speed and High-Efficiency Optical Transmission Technology

2) Development of Integrated Transmission Technology of Digital Coherent Optical Communication and Wireless Communication

3) Application of Stabilized Lasers and Optical Fiber Networks for Diastrophism and Tsunami Measurement

4) Research on High-Speed and High-Capacity Optical Transmission Using Multicore Fiber

4-6. Hokkaido University

1) Aiming for Practical Application of Optical Spintronics

2) Achievement of the World’s Highest Performance Spin Amplification at Room Temperature to 110 degrees Celcius

3) Development of Spin-LEDs Operating at Room Temperature and Elucidation of Dominant Factors of Operational Characteristics

5. Future Prospects