Nature Photonics

NTT Research Upgrades Thinking Around Standard Computational Models with Papers on Photonics, Neural Network and More

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Thursday, August 10, 2023
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NTT Research, Inc. , a division of NTT (TYO:9432), today announced that its Physics & Informatics (PHI) Lab continues to advance basic scientific knowledge in the areas of neural network, photonics and quantum science.

Key Points: 
  • NTT Research, Inc. , a division of NTT (TYO:9432), today announced that its Physics & Informatics (PHI) Lab continues to advance basic scientific knowledge in the areas of neural network, photonics and quantum science.
  • In a three-month span, from March 1 to May 31, ten influential scientific journals published or accepted 12 papers co-authored by PHI Lab scientists.
  • At the same time, members of the PHI Lab delivered 19 talks at six scientific conferences or meetings.
  • “This three-month snapshot indicates the breadth, depth, productivity and impact of our research,” PHI Lab Director Yoshihisa Yamamoto said.

NTT Achieves World’s Fastest Zero-bias Operation of a Graphene Photodetector

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Monday, September 26, 2022
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NTT Corporation (NTT) and the National Institute for Materials Science (NIMS) have jointly achieved the world's fastest zero-bias operation1 (220 GHz) of a graphene photodetector (PD) 2.

Key Points: 
  • NTT Corporation (NTT) and the National Institute for Materials Science (NIMS) have jointly achieved the world's fastest zero-bias operation1 (220 GHz) of a graphene photodetector (PD) 2.
  • Furthermore, the research conducted by NTT and NIMS clarified the optical-to-electrical (O-E) conversion process in graphene for the first time.
  • For this reason, the challenge for graphene PDs is to demonstrate 200-GHz operation speeds and clarify graphene's inherent properties, such the process of optical-to-electrical conversion.
  • NTT and the NTT logo are registered trademarks or trademarks of NIPPON TELEGRAPH AND TELEPHONE CORPORATION and/or its affiliates.

Toshiba Shrinks Quantum Key Distribution Technology to a Semiconductor Chip

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Thursday, October 21, 2021
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Toshiba Europe Ltd today announced it has developed the worlds first chip-based quantum key distribution (QKD) system.

Key Points: 
  • Toshiba Europe Ltd today announced it has developed the worlds first chip-based quantum key distribution (QKD) system.
  • Andrew Shields, Head of Quantum Technology at Toshiba Europe, remarked, Photonic integration will allow us to manufacture quantum security devices in volume in a highly repeatable fashion.
  • Taro Shimada, Corporate Senior Vice President and Chief Digital Officer of Toshiba Corporation comments, Toshiba has invested in quantum technology R&D in the UK for over two decades.
  • An important aspect is to develop prototype systems with lower size, weight and power based on photonic chip technology.