Applied Physics Letters

NTT Research Scientist Creates Model for Discontinuous Learning

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Wednesday, July 12, 2023
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Dr. Reddy shows that the outcome of reinforcement learning (RL) algorithms, which operate gradually, can appear discontinuous for certain kinds of tasks.

Key Points: 
  • Dr. Reddy shows that the outcome of reinforcement learning (RL) algorithms, which operate gradually, can appear discontinuous for certain kinds of tasks.
  • “We show that the nonlinear dynamics of RL-based learning, together with continuous exploration, lead to discontinuous learning curves in tree-like structured environments,” Dr. Reddy said.
  • Along with these research initiatives, Dr. Reddy also serves as the NTT Research PHI Lab lead on a five-year joint research project with scientists at Harvard University to study animal neuro-responses, in the hope of informing future artificial intelligence (AI) systems.
  • The NASA Ames Research Center in Silicon Valley has also entered into a joint research agreement with the PHI Lab.

NTT Research Announces Plans to Double the Size of its Optics Lab

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Wednesday, March 15, 2023
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NTT Research, Inc. , a division of NTT (TYO:9432), today announced plans to double the size of its optical research facility in 2023.

Key Points: 
  • NTT Research, Inc. , a division of NTT (TYO:9432), today announced plans to double the size of its optical research facility in 2023.
  • “We are excited to announce these expansion plans,” PHI Lab Director Yoshihisa Yamamoto said.
  • This hybrid-remote smart workplace, named the NTT OneVision Center, features collaboration-focused spaces, working pods and offices for research staff.
  • It is also conducting joint research with the NASA Ames Research Center in Silicon Valley and 1QBit, a private quantum computing software company.

NTT Research to Collaborate with Researchers at Harvard University on Computational Neurobiology

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Monday, January 24, 2022
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NTT Research, Inc. , a division of NTT (TYO:9432), today announced that it has entered a joint research agreement with scientists at Harvard University to study animal neuro-responses with the hope of informing future artificial intelligence systems.

Key Points: 
  • NTT Research, Inc. , a division of NTT (TYO:9432), today announced that it has entered a joint research agreement with scientists at Harvard University to study animal neuro-responses with the hope of informing future artificial intelligence systems.
  • In addition to the researchers at Harvard and the University of Tokyo, investigators at eight other universities have agreed to conduct joint research with the NTT Research PHI Lab.
  • NTT Research is part of NTT, a global technology and business solutions provider with an annual R&D budget of $3.6 billion.
  • NTT and the NTT logo are registered trademarks or trademarks of NIPPON TELEGRAPH AND TELEPHONE CORPORATION and/or its affiliates.

NTT: Realization of Modularized Quantum Light Source Toward Fault-tolerant Large-scale Universal Optical Quantum Computers

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Thursday, December 23, 2021
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To realize optical quantum computers, one of the most important components is a quantum light source generating squeezed light, which is the origin of quantum nature in optical quantum computers.

Key Points: 
  • To realize optical quantum computers, one of the most important components is a quantum light source generating squeezed light, which is the origin of quantum nature in optical quantum computers.
  • To achieve a large-scale universal fault-tolerant optical quantum computer, we need a fiber-coupled squeezed light source with highly squeezed quantum noise and photon number parity that is maintained even in high-photon-number components.
  • In this study, we have developed a new optical fiber-coupled quantum light source that operates at optical communication wavelengths.
  • In addition, we will improve the quantum noise squeezing ability of the quantum light source to realize a fault-tolerant large-scale universal optical quantum computer.

Kanazawa University research: Speeding up atomic force microscopy

Retrieved on: 
Monday, November 22, 2021
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KANAZAWA, Japan, Nov. 22, 2021 /PRNewswire/ --Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy.

Key Points: 
  • KANAZAWA, Japan, Nov. 22, 2021 /PRNewswire/ --Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy.
  • Now, Kenichi Umeda, Toshio Ando and Noriyuki Kodera from Kanazawa University and colleagues have designed an amplitude detector with ultrafast operation, the use of which in HS-AFM leads to a significantly improved temporal resolution.
  • Amplitude variation detectors have an intrinsic slowness, called latency, as a finite time interval is normally required to detect a change in amplitude.
  • Architecture of zero-latency ultrafast amplitude detector for high-speed atomic force microscopy, Appl.

Kanazawa University research: Speeding up atomic force microscopy

Retrieved on: 
Monday, November 22, 2021
Membrane, Physics, Cell, Ion, DB, AFM, Eukaryote, Applied Physics Letters, Map, Kanazawa University, Architecture, Microscope

KANAZAWA, Japan, Nov. 22, 2021 /PRNewswire/ --Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy.

Key Points: 
  • KANAZAWA, Japan, Nov. 22, 2021 /PRNewswire/ --Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy.
  • Now, Kenichi Umeda, Toshio Ando and Noriyuki Kodera from Kanazawa University and colleagues have designed an amplitude detector with ultrafast operation, the use of which in HS-AFM leads to a significantly improved temporal resolution.
  • Amplitude variation detectors have an intrinsic slowness, called latency, as a finite time interval is normally required to detect a change in amplitude.
  • Architecture of zero-latency ultrafast amplitude detector for high-speed atomic force microscopy, Appl.