高山 佳久

Takayama Yoshihisa

  • 教授
  • 学位:博士(工学)

基本情報

所属

  • Undergraduate School of Information and Telecommunication Engineering / Department of Information and Telecommunication Engineering
  • Undergraduate School of Information and Telecommunication Engineering / Department of Communication and Network Engineering
  • Graduate School of Science and Technology / Course of Science and Technology
  • Graduate School of Information and Telecommunication Engineering / Course of Information and Telecommunication Engineering

ジャンル

  • Space Development
  • Physics

研究と関連するSDGs

  • Industry, Innovation and Infrastructure

詳細情報

研究キーワード

  • hologram
  • free-space optical communications

研究分野

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering) Communication and network engineering Free space optical communications

論文

Research on Optical Site Diversity for Space Communications over Asia-Pacific Region

Acceptable Angular Range of Beam Pointing in Free-Space Optical Communications

Reduction of atmospheric turbulence using optical duplicate system in free-space optical communications

Optical link stabilization by controlling focus of received beam in mini-unmanned aerial vehicle-to-ground free-space optical communications

Manipulation of received beam for free-space optical communications of intermediate distance

A simple improved method using dual boresight cameras in verifying propagation direction of laser beam transmitted from ground to satellite

Fiber coupling characteristics of holographic optical element for free-space optical communications

Free-space optical wiretap channel and experimental secret key agreement in 7.8 km terrestrial link

Medium-range propagation experiment using optical duplicate system

Confirmation of propagation direction of uplink beam in ground-to-satellite laser transmission

Coupling efficiency of laser beam to multimode fiber for free space optical communication

A proposition of holographic reception in free-space optical communications

Controlling laser beam irradiation area using an optical duplicate system to improve satellite-ground laser communications

Free-space optical channel estimation for physical layer security

A proposal of beaconless low earth orbit satellite to ground laser communication system by using GPS information

The NICT’s new OGS for satellite laser communication and SOTA/SOCRATES experiment

OPTICAL DUPLICATE SYSTEM FOR SATELLITE-GROUND LASER COMMUNICATION: REDUCTION OF THE EFFECTS OF ATMOSPHERIC TURBULENCE AND SIMPLIFICATION OF THE OPTICAL GROUND STATION

OPTICAL DUPLICATE SYSTEM FOR SATELLITE-GROUND LASER COMMUNICATION: REDUCTION OF THE EFFECTS OF ATMOSPHERIC TURBULENCE AND SIMPLIFICATION OF THE OPTICAL GROUND STATION

Compact optical duplicate system for satellite-ground laser communications: application of averaging effects

Background light reduction method with a double phase conjugate mirror and a phase plate for optical inter-satellite communications

所属学会

  • THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
  • THE LASER SOCIETY OF JAPAN

共同研究?競争的資金等の研究課題

Comprehensive understanding of scattering and fluctuated fields and science of clairvoyance

Spatial

Distortion Complnsation in optical Communication

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