Research Activities in NTT Basic Research Laboratories Vol. 24 (2013)

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Color Frontispiece

• Annealing Paths of Pr₂CuO₄ and the Resulting Electronic Phase Diagrams
• Coherent Phonon Manipulation in Coupled Mechanical Resonators
• Encapsulated Gate-All-Around InAs Nanowire Field-Effect Transistors
• Cluster State Generation for Ultracold Atoms in an Optical Lattice
• Generation of Isolated Attosecond Pulse in Carbon K-Edge (284 eV) Region with Double Optical Gating
• Optical Nanocavity Formed by a Semiconductor Nanowire and a Si Photonic Crystal

Message from the Director

NTT Basic Research Laboratories Organogram

Member List

• NTT Basic Research Laboratories
• Materials Science Laboratory
• Physical Science Laboratory
• Optical Science Laboratory
• Nanophotonics Center
• Senior Distinguished Researcher
• Distinguished Researchers
• Advisory Board
• Invited / Guest Scientists
• Overseas Trainees
• Domestic Trainees

I. Research Topics

• Overview of Research in Laboratories
• Materials Science Laboratory
  • Single-Crystal Cubic Boron Nitride Thin Film Growth by Ion-Beam-Assisted Molecular Beam Epitaxy
  • Nucleus and Spiral Growth of N-face GaN (000-1) Obtained by Selective-Area Metalorganic Vapor Phase Epitaxy
  • Enhanced Deep-UV Light Emission from Nonpolar M-plane AlGaN Quantum Wells
  • Superconductivity Hidden beneath Charge-Transfer Insulators
  • Broadening Light Emission at the Telecommunications Wavelengths by Material Engineering of Rare-Earth Compounds on Silicon
  • Synthesis of Ultrathin Hexagonal Boron Nitride for Tunneling Applications
  • Thermal Instability of Graphene on a Substrate
  • Sensing Fabric "hitoe" to Continuously Monitor Bioelectrical Signals
  • Stable Sealing of Microcavities with a Lipid Membrane for Nanobiodevices
  • Ligand-Induced Structural Changes in a Single Ion Channel Receptor
• Physical Science Laboratory
  • Fast and High-Sensitivity Charge Sensor Combined with a Resonance Circuit
  • Accuracy Evaluation of Si Single-Electron Transfer Devices at Extremely Low Temperature
  • Coherent Phonon Manipulation in Coupled Mechanical Resonators
  • An Electromechanical Phonon Laser
  • Storage and Retrieval of Quantum States in a Hybrid Quantum System
  • Quantum State Projection with Various Measurement Strengths
  • Realizing Topological Insulating Phase in the Heterostructure Composed of Direct Transition Band Gap Semiconductors
  • Encapsulated Gate-All-Around InAs Nanowire Field-Effect Transistors
  • AC Admittance of DNTT-Based MIS Capacitors
• Optical Science Laboratory
  • Cluster State Generation for Ultracold Atoms in an Optical Lattice
  • An On-Chip Single Photon Buffer Based on Coupled Resonator Optical Waveguide
  • Long-Term Performance of Quantum Key Distribution over 90-km Optical Links Installed in a Field Environment of Tokyo Metropolitan Area
  • Growth of InP Nanowires on Graphene-Covered Fe
  • Topological Raman Band in the Carbon Nanohorn
  • Generation of Isolated Attosecond Pulse in Carbon K-Edge (284 eV) Region with Double Optical Gating
  • Modification of Exciton Optical Properties with Coherent Phonons in Quantum Dots
  • Optical Nanocavity Formed by a Semiconductor Nanowire and a Si Photonic Crystal
  • InGaAs Photodetectors Based on Photonic Crystal Waveguide Including Ultrasmall Buried Heterostructure
  • Enhanced and Suppressed Spontaneous Emission from a Buried Heterostructure Photonic Crystal Cavity
• Nanophotonics Center
  • Low Energy Consumption Direct Modulation of Lambda-Scale Embedded Active-Region Photonic-Crystal Lasers
  • Significant L-Band Responsivity Improvement of Germanium Waveguide Photodiode by Franz-Keldysh Effect

II. Data

• 6th NTT-BRL School
• International Symposium on Nanoscale Transport and Technology
• List of BRL Seminars
• Award Winners' List
• In-house Award Winners' List
• Numbers of Papers, Presentations and Patents
• List of Invited Talks at International Conferences I. Materials Science Laboratory
• List of Invited Talks at International Conferences II. Physical Science Laboratory
• List of Invited Talks at International Conferences III. Optical Science Laboratory
• List of Invited Talks at International Conferences IV. Nanophotonics Center