Quantum Solid State Physics Research Group

NTT Basic Research Laboratories
  • Home
  • Members
  • Publication
  • Facilities
  • Opportunities
  • Access

[Japanese|English]

  • May 12, 2025

    New member Michael Randle joins our group.

  • April 22, 2025

    Internship student Louis Rihouey Joined our group (2025.4 - 2025.7).

  • April 1, 2025

    New member, Tomoko Takeda, joined our group (2025.4.1 - ).

  • January 14, 2025

    Visitor: Omar Concepcion Diaz from FZ Julich (2025.1.14 - 2025.1.31).

  • DECEMBER 9, 2024

    Internship student Gerri Behner Joined our group (2024.12 - 2025.2).

  • October 1, 2024

    Internship student Albert Kowalczys joined our group (2024.10 - 2025.3).

  • October 1, 2024

    Internship student Tomohiro Fujimoto joined our group (2024.10 - 2024.12).

  • October 1, 2024

    Keiko Takase moved to Tokyo University of Agriculture and Technology.

  • July 22, 2024

    Electrical generation, propagation control, and detection of the ultrashort graphene plasmon wave packets.

    [Press release] [Journal page]

  • July 10, 2024

    Internship student Raphaël MOL joins our group (2024.7 - 2024.12).

  • History

Welcome!

In addition to the quantum mechanical properties of electrons such as the wave nature, superposition state, and spin, Quantum Solid State Physics Research Group focuses on many-body effects and correlations that arise from electron-electron interaction. We aim to engineer and control such quantum effects by exploiting heterostructures and nanostructures of semiconductors and 2D materials and thereby realize quantum devices and sensing techniques unattainable with individual electrons.

Press release

Press release list

Research subject

Topological insulator

Topological insulators are characterized by spin-polarized edge states that have possible applications for spintronics and quantum computation. We engineer an electrically tunable topological insulator using semiconductor heterostructures.

See publications

Charge dynamics in graphene

Graphene has potential advantages for photo-detector and plasmonic applications. We investigate ultra-fast dynamics of charge carriers excited by femto-second laser pulses or high-frequency electric field.

See publications

Quantum transport in 2D materials

Graphene and transition metal dichalcogenides (TMDs) exhibit intriguing transport properties peculiar to atomically thin 2D systems. We have been exploring distinctive superconducting and magneto-transport in topologically nontrivial TMDs.

See publications

Quantum-Hall edge state

Quantum-Hall edge states serve as ideal one-dimensional channels where one can study quantum electron optics and many-body physics such as Tomonaga-Luttinger liquid.

See publications

Semiconductor nanowire

We demonstrate a highly gate-tunable spin-orbit interaction in a gate-all-around semiconductor nanowire field-effect transistor.

See publications

Atom manipulation

We use a scanning probe to assemble and characterize artificial nanostructures controlled at atomistic levels.

See publications

Design: TEMPLATED Images: Unsplash (CC0)