Latest Research Contents

2026/08/25
NTT Advances AI for Science with an Interpretable AI-Driven Lab Approach
Research Group: Low-Dimensional Nanomaterials Research Group

2026/04/23
NTT Achieves World's First Simultaneous Single-Electron-Scale Measurement of Heat and Entropy in a Semiconductor DRAM Cell
Research Group: Nanodevices Research Group

2025/12/09
AlN-based high-frequency transistor for post-5G communication
Research Group: Thin-Film Materials Research Group

2025/09/19
Real-Time Optical Control of Synchronization Between Microscopic Oscillators
Research Group: Nanomechanics Research Group

2025/07/30
Discovery of New Electronic State in Functional Oxides
Research Group: Low-Dimensional Nanomaterials Research Group

2025/02/13
A New Meta: Realizing Negative Refraction of Light Using Atomic Media
Research Group: Theoretical Quantum Physics Research Group

2024/09/06
Photonic topological phase transition achieved by material phase transition
Research Group: Photonic Nano-Structure Research Group

2024/08/21
First successful simultaneous control of optical polarization and wavefront shaping in high-harmonic generation
Research Group: Quantum Optical Physics Research Group

2024/07/22
Electrical generation, propagation control, and detection of the ultrashort graphene plasmon wave packets
Research Group: Quantum Solid State Physics Research Group

2024/07/16
First gigahertz ultrasonic circuit that uses the principle of topology
Research Group: Nanomechanics Research Group

2024/01/19
Hybrid State of Electrons Resonating at an Optical Communication Wavelength and a Gigahertz Ultrasonic Wave
Research Group: Nanomechanics Research Group

2024/01/16
Demonstration of Electron Flying Qubit Operation
Research Group: Quantum Solid State Physics Research Group

2023/12/20
Developing technology to compare and control small electric current generated by multiple silicon quantum dot devices with the world's highest accuracy
Research Group: Nanodevices Research Group

2023/07/21
NTT Succeeds at Frequency Stabilization of an Electro-Optic Modulation-Based Optical Frequency Comb
Research Group: Quantum Optical Physics Research Group

2023/05/24
Long-term functional measurements from modular 3D neuronal networks using rolled-up 3D electrode array
Research Group: Molecular and Bio Science Research Group

2023/03/29
Light-driven on-chip actuator capable of mimicking the motion of biological organs
Research Group: Molecular and Bio Science Research Group

2023/02/06
Detection of ferric ions in neurons using a superconducting flux qubit
Research Group: Superconducting Quantum Circuits Research Group

2022/12/22
Realization of a novel method for the detection of parasitic defects in superconducting qubits
Research Group: Superconducting Quantum Circuits Research Group

2022/11/04
Using light to measure particles and viscosity in liquids with ultrahigh sensitivity
Research Group: Nanomechanics Research Group

2022/09/12
Realizing Zero-bias Operation of a Graphene Photodetector at 220 GHz and Elucidating the Optical-to-electrical Conversion Process
Research Group: Quantum Solid State Physics Research Group

2022/04/22
The world's first demonstration of aluminum nitride transistor
Research Group: Thin-Film Materials Research Group

2021/12/14
Detection of graphene's divergent orbital diamagnetism at the Dirac point
Research Group: Quantum Solid State Physics Research Group

2021/12/08
Elucidation of Spin Wave Physics Using a Graphene Electron Interferometer
Research Group: Quantum Solid State Physics Research Group

2021/09/30
100,000-spin coherent Ising machine
Research Group: Quantum Optical State Control Research Group

2021/05/14
Andreev reflection of fractionally charged quasiparticles- First observation of Andreev reflection in a material other than superconductors -
Research Group: Quantum Solid State Physics Research Group

2021/04/30
Successful fabrication of microfluidic devices using 3D hydrogel thin film structures- Achievement opens possibility of creation of artificial cell culture models (organs-on-a-chip) -
Research Group: Molecular and Bio Science Research Group

2021/04/23
Experimental realization of photonic spiking neural network toward a new neuromorphic computing
Research Group: Quantum Optical State Control Research Group

2021/03/04
Researchers were selected as American Physical Society Outstanding Referees"."
Research Group: Photonic Nano-Structure Research Group
Research Group: Theoretical Quantum Physics Research Group

2021/02/24
First high-speed quantum-safe randomness generation with realistic devices
Research Group: Theoretical Quantum Physics Research Group

2021/02/01
The world's first realization of an optomechanical device with extremely low optical energy loss
Research Group: Nanomechanics Research Group

2020/11/17
Wearable Acoustic Sensor Array System Featuring Remote Transmission of Body Sounds
Research Group: Molecular and Bio Science Research Group

2020/10/24
Demonstration of a novel scheme to generate chaotic signals using a MEMS oscillator
Research Group: Nanomechanics Research Group

2020/10/17
SIMULATING COMPLEX QUANTUM NETWORKS WITH TIME CRYSTALS
Research Group: Theoretical Quantum Physics Research Group

2020/10/09
★First observation of quantum transport phenomena peculiar to an exotic state
Research Group: Low-Dimensional Nanomaterials Research Group

2020/03/25
Joint Research Begins with University of Tokyo Hospital on Preventing Nursing Care using Large-scale Population-based Cohort Data
Research Group: Molecular and Bio Science Research Group

2020/03/18
Experimental demonstration of ultra-high precision optical frequency transfer via 240-km-long telecommunications fiber
Research Group: Quantum Optical Physics Research Group

2020/03/06
Demonstration of a high performance optical logic gate for ultralow-latency data processing
Research Group: Photonic Nano-Structure Research Group

2019/11/26
Demonstration of ultrafast and energy-efficient all-optical switching with graphene and plasmonic waveguides
Research Group: Photonic Nano-Structure Research Group

2019/11/05
Observation of quantum-mechanical ultrafast coherent oscillations in a silicon single-electron device
Research Group: Nanodevices Research Group

2019/10/19
Reconstitution of a functional neural network using a nanoscale thin-film-based 3D template
Research Group: Molecular and Bio Science Research Group

2019/04/16
Realization of an ultra-energy-saving electro-optic modulator and highly-efficient optical transistor
Research Group: Photonic Nano-Structure Research Group

2019/03/29
Electron spin resonance spectroscopy using a superconducting flux qubit featuring high sensitivity and spatial resolution
Research Group: Superconducting Quantum Circuits Research Group

2019/02/24
Successful nanowire lasing at room temperature in the optical communication wavelength range
Research Group: Quantum Optical Physics Research Group

2019/02/12
Creation of novel material Sr3OsO6 with the highest ferromagnetic transition temperature among insulators
Research Group: Low-Dimensional Nanomaterials Research Group

2019/01/25
First proof-of-principle experiment of quantum repeaters with all photonics
Research Group: Theoretical Quantum Physics Research Group

2018/12/18
Successful Amplification of Transistor Current Without Additional Power
Research Group: Nanodevices Research Group

2018/12/04
Superradiant emission from colour centres in diamond - a flash of light from a solid-state hybrid quantum system
Research Group: Theoretical Quantum Physics Research Group

2018/11/20
Creating a photonic topological insulator by current injection
Research Group: Photonic Nano-Structure Research Group

2018/08/28
Controlling nuclear magnetic resonance with a micromechanical oscillator
Research Group: Nanomechanics Research Group

2018/04/17
Ultrafast electron oscillation and dephasing in Cr:Al2O3 solid-state material monitored by attosecond light source
Research Group: Quantum Optical Physics Research Group

2018/04/06
A novel mechanical system for amplifying ultrasound signals
Research Group: Nanomechanics Research Group

2018/02/06
Successful Measurement of Ion Concentrations in Serum Using Nanoscale Silicon Transistor
Research Group: Nanodevices Research Group

2017/12/22
A new method for the artificial assembly of micro-scale biological tissues
Research Group: Molecular and Bio Science Research Group

2017/11/20
Quantum Neural Network on Cloud
Research Group: Quantum Optical State Control Research Group

2017/10/01
Launch of the 「Flying without crying for babies」 Project
Research Group: Molecular and Bio Science Research Group

2017/05/16
Electrical current generation by sorting thermal noise
Research Group: Nanodevices Research Group

2017/04/20
First in Japan Joint Demonstration of hitoe" to Measure Racing Car Driver Biological Data at the 2017 All Japan Super Formula Championship"
Research Group: Molecular and Bio Science Research Group

2017/04/03
First demonstration of nanowire lasers at telecom wavelengths and high-speed signal modulation
Research Group: Photonic Nano-Structure Research Group

2017/03/14
Spin-resolved oscilloscope for charge and spin signals
Research Group: Quantum Solid State Physics Research Group

2017/02/07
Train the Brain to Win - Sports Brain Science Project
Research Group: Molecular and Bio Science Research Group

2017/02/05
Wearable Monitoring System: first demonstration of wearable biosensor hitoe" in medical rehab facility"
Research Group: Molecular and Bio Science Research Group

2016/11/04
Experimental test of macroscopic realism problem using a superconducting flux qubit
Research Group: NTT Research Center for Theoretical Quantum Physics
Research Group: Superconducting Quantum Circuits Research Group
Research Group: Theoretical Quantum Physics Research Group

2016/10/20
A coherent Ising machine for solving complex optimization problems
Research Group: Quantum Optical State Control Research Group

2016/10/11
Stable Molecular State of Photons and Artificial Atom Discovered
Research Group: Superconducting Quantum Circuits Research Group

2016/09/27
Deployment of Medical Applications for hitoe": Functional Material for Measuring Biomedical Signals"
Research Group: Molecular and Bio Science Research Group

2016/07/06
World-record accuracy of gigahertz high-speed single-electron transfer
Research Group: Nanodevices Research Group

2016/05/17
Hundredfold noise reduction in microwave and millimeter-wave signal generators with a laser source optical ruler""
Research Group: Quantum Optical Physics Research Group

2016/04/18
Large-scale artificial spin network realized using long-distance optical fiber cavity
Research Group: Quantum Optical State Control Research Group

2016/03/26
A new scheme for manipulating the color of single photons
Research Group: Quantum Optical State Control Research Group

2016/03/08
Long-distance transport of electron spins for spin-based logic devices
Research Group: Quantum Optical Physics Research Group

2015/12/16
Uncrackable quantum cryptography over 'doubled' distances
Research Group: Theoretical Quantum Physics Research Group

2015/09/15
Demonstration of quantum cryptography without error rate monitoring
Research Group: Quantum Optical State Control Research Group

2015/09/04
Graphene p-n junction as an electronic beam splitter
Research Group: Quantum Solid State Physics Research Group

2015/08/17
Programmable linear optical circuit realized on a chip
Research Group: Quantum Optical State Control Research Group

2015/04/15
Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.
Research Group: Theoretical Quantum Physics Research Group

2015/04/13
Improving the lifetime of an electron spin in diamond for quantum sensing technology
Research Group: Superconducting Quantum Circuits Research Group

2014/12/17
Inner-shell electron motion monitored by ultrafast strobe light source
Research Group: Quantum Optical Physics Research Group

2014/10/06
High-speed single-electron transfer toward high-accuracy current standards
Research Group: Nanodevices Research Group

2014/07/21
Nano-profiling of frozen electrons in a semiconductor device
Research Group: Quantum Solid State Physics Research Group

2014/06/30
Semiconductor quantum dots with single-atom precision
Research Group: Quantum Solid State Physics Research Group

2014/06/16
First demonstration of electrically controlled phonon propagation""
Research Group: Nanomechanics Research Group

2014/05/26
Over-100-bit Integrated Optical Memories Realized
Research Group: Photonic Nano-Structure Research Group

2014/04/08
New approach to the realization of a long-lived quantum memory for quantum computation
Research Group: Superconducting Quantum Circuits Research Group

2014/02/20
Nanowire and photonic crystal realize a novel optical nanocavity
Research Group: Photonic Nano-Structure Research Group

2013/11/13
An on-chip quantum buffer realized
Research Group: Quantum Optical State Control Research Group

2013/03/18
Three-dimensional manipulation of electron spin without use of magnetic field
Research Group: Quantum Optical Physics Research Group

2013/02/12
Electrocardiography is achieved simply by wearing a piece of clothing that has textile electrodes combined with conductive polymer
Research Group: Molecular and Bio Science Research Group

2013/01/15
Control of plasmon transport in graphene
Research Group: Quantum Solid State Physics Research Group

2012/04/12
Development of a groundbreaking process for release of GaN-based thin-film devices from substrates
Research Group: Thin-Film Materials Research Group

2012/02/27
World premier: Success in realizing all-optical RAM
Research Group: Photonic Nano-Structure Research Group

2012/01/27
Unraveling exotic electron states for error-free quantum computing
Research Group: Quantum Solid State Physics Research Group

2011/10/13
Experimental demonstration of quantum memory in diamond
Research Group: Superconducting Quantum Circuits Research Group

2011/05/31
Control of electron spin in semiconductors using ultrasonic wave
Research Group: Quantum Optical Physics Research Group

2011/02/16
New method for digital operations using micro machine technology
Research Group: Nanomechanics Research Group

2010/05/02
World's lowest energy consumption by an optical switch, into the atto-Joule region.
Research Group: Photonic Nano-Structure Research Group

2009/05/05
Success in time-lapse imaging of conformational changes in a single receptor protein
Research Group: Molecular and Bio Science Research Group

2008/11/28
World's first large-scale coupling of optical nanocavities generating slow light
Research Group: Photonic Nano-Structure Research Group

2008/09/01
Observation of one part in one hundred trillion meter mechanical vibration with a superconducting quantum interference device
Research Group: Nanomechanics Research Group

2008/04/24
Ultra-small and low energy consumption optical bit memory developed
Research Group: Photonic Nano-Structure Research Group

2008/04/11
A novel semiconductor device that operates by using microscopic vibrations
Research Group: Nanomechanics Research Group

2007/06/29
Stable atom trap on a noise free device
Research Group: Quantum Optical State Control Research Group

2007/05/31
Quantum key distribution over 200 km long optical fiber
Research Group: Quantum Optical State Control Research Group

2006/12/21
Trapping and Delaying Light for Over One Nanosecond Using Photonic Crystals
Research Group: Photonic Nano-Structure Research Group

2006/06/15
Single-Electron Ammeter based on Bidirectional Counting of Single-Electrons
Research Group: Quantum Solid State Physics Research Group

2006/05/17
Aluminum Nitride Light Emitting Diodes with the Shortest Wavelength
Research Group: Thin-Film Materials Research Group

2005/06/14
Success in distributing single photons for quantum cryptography via an optical switch
Research Group: Quantum Optical State Control Research Group

2005/04/20
Success in high precision control of nuclear spins for quantum computation
Research Group: Quantum Solid State Physics Research Group

2005/01/01
-Superconducting tunnel junctions working without using liquid helium-
Research Group: Thin-Film Materials Research Group

2004/02/01
Three-Dimensional Nanofabrication Using Electron Beam Lithography
Research Group: Nanomechanics Research Group

2004/01/01
Success in controlling multi-photon transitions of a superconducting flux qubit
Research Group: Superconducting Quantum Circuits Research Group

2001/10/31
Semiconductor ferromgnet in a quantum-dot artificial crystal

2001/03/29
Manipuration of elementary charge in a Si CCD
Research Group: Nanodevices Research Group

2000/01/01
Photon-spin controlled lasers
Research Group: Quantum Optical Physics Research Group

1998/10/29
Quantum dot molecule
Research Group: Quantum Solid State Physics Research Group

1998/10/26
Novel single crystal silicon
Research Group: Low-Dimensional Nanomaterials Research Group

1998/08/13
Laser action driven by electrochemiluminescence
Research Group: Molecular and Bio Science Research Group