Tatsushi Akazaki

NTT Basic Research Laboratories — Japan

Physics and Astronomy · Physical Sciences

25h-index4.9kcitations185works0.02yr avg
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Research Topics

Quantum and electron transport phenomena(118), Semiconductor Quantum Structures and Devices(96), Physics of Superconductivity and Magnetism(78), Semiconductor materials and devices(16), Advancements in Semiconductor Devices and Circuit Design(16)

Publications185 total

Gate tuning of fractional quantum Hall states in an InAs two-dimensional electron gas
Physical review. B./Physical review. B·2022Open Access
Surface-enhanced Raman scattering from buffer layer under graphene on SiC in a wide energy range from visible to near-infrared
Japanese Journal of Applied Physics·2020· 6 cited
Andreev reflection and bound state formation in a ballistic two-dimensional electron gas probed by a quantum point contact
Physical review. B./Physical review. B·2016· 1 citedOpen Access
Circularly polarized near-field scanning optical microscope for investigations of edge states of a two-dimensional electron system
Applied Physics A·2015
Circularly Polarized Near-Field Optical Mapping of Spin-Resolved Quantum Hall Chiral Edge States
Nano Letters·2015· 9 cited
Real-space Mapping of Spin-resolved Quantum Hall Chiral Edge States by Near-field Scanning Optical Microscopy
2014
Josephson coupling through one-dimensional ballistic channel in semiconductor-superconductor hybrid quantum point contacts
Physical Review B·2014· 16 citedOpen Access
Photoluminescence fine structures in the fractional quantum Hall effect regime
Physical Review B·2014· 3 citedOpen Access
Surface-Enhanced Raman Scattering of Graphene on SiC by Gold Nanoparticles
The Review of Laser Engineering·2014· 1 citedOpen Access
Surface-enhanced Raman Scattering of Graphene on SiC
NTT technical review·2013· 7 citedOpen Access
Transmission-phase measurement of the 0.7 anomaly in a quantum point contact
arXiv (Cornell University)·2013Open Access
Carrier flow caused by radiative recombination process in superconductor-based light-emitting diode
arXiv (Cornell University)·2013Open Access
Measurement of photoluminescence spectral linewidth of a GaAs quantum well in perpendicular electric fields: Evidence of a crossover from trions to an electron-hole gas
Physical Review B·2013· 4 citedOpen Access
Exchange energy enhanced<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>g</mml:mi></mml:math>-factors obtained from Landau fan diagrams at low magnetic fields
Physical Review B·2013· 5 citedOpen Access
Fabrication of MgB<sub>2</sub>Nanowire Single-Photon Detector with Meander Structure
Applied Physics Express·2013· 24 cited
Ultrathin MgB<sub>2</sub>films fabricated by molecular beam epitaxy and rapid annealing
Superconductor Science and Technology·2013· 17 cited
Imaging of quantum Hall edge states under quasiresonant excitation by a near-field scanning optical microscope
AIP conference proceedings·2013
26pSA-4 The lifetime of photoluminescence from an asymmetric GaAs-AlGaAs double quantum well in a magnetic field
Meeting abstracts of the Physical Society of Japan·2012
In$_{0.75}$Ga$_{0.25}$As Quantum Point Contacts Utilizing Wrap-Gate Geometry
Applied Physics Express·2012· 4 cited
Cooper-Pair Radiative Recombination in Semiconductor Heterostructures: Impact on Quantum Optics and Optoelectronics
Japanese Journal of Applied Physics·2012· 3 cited
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Frequent Co-authors

Hideaki Takayanagi(31), Junsaku Nitta(19), T. Enoki(10), Kunihiro Arai(7), Y. Tokura(6), I. Suemune(5), Hiroyuki Tamura(4), H. Kumano(4), Takaaki Koga(3), Y. Ishii(3), Satoshi Sasaki(3), Hiroyuki Shibata(3), Hiroki Takesue(3), Toshimori Honjo(3), Kazunori Tanaka(3), Eiichi Hanamura(3), Yujiro Hayashi(3), Ryotaro Inoue(3), M. Yamaguchi(3), P. Pfeffer(2)