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About RIEC Introduction Message from the Director Principles, Missions, Objectives Institute Vision Organization People, Land and Buildings, Budgets History Chronology International Activities COE of International Research Collaboration How to study at RIEC Organization Computing System Platforms Division Solid State Electronics Dielectric Nano-Devices Materials Functionality Design Spintronics Nano-Integration Devices and Systems Quantum Devices Innovative Spintronic Device Computing Information Theory New Paradigm VLSI System Information Communication Platforms Division Ultrahigh-Speed Optical Communication Group Applied Quantum Optics Group Advanced Wireless Information Technology Information Storage Systems Ultra-Broadband Signal Processing Quantum-Optical Information Technology Network Architecture Environmentally Conscious Secure Information System Human and Bio Information Systems Division Electromagnetic Bioinformation Engineering Advanced Acoustic Information Systems Visual Cognition and Systems Realｰworld computing Nano-Bio Hybrid Molecular Devices Interactive Content Design Soft Computing Integrated System Research Facilities Laboratory for Nanoelectronics and Spintronics Laboratory for Brainware Systems Research Center for 21st Century Information Technology（IT-21 Center） Common Research Facilities Flexible Information System Center Fundamental Technology Center Management Office for Safety and Health Promotion Office Ad-hoc research groups Co-creation Research Center Furukawa Electric x Tohoku Univ. Co-creation Research Center for Photonics Integration Staff Cooperative Research About RIEC Cooperative Research Projects Public Invitation RIEC Nation-wide Application System List of Research Projects Description of acknowledgment RIEC Annual Meeting FY2023 RIEC Annual Meeting FY2022 RIEC Annual Meeting International Exchange International Activities COE of International Research Collaboration Information What’s New Award News Press Release Event RIEC Annual Meeting Projects Type-T (Study Groups on Electrical Communication) Lecture Symposiums Nation-wide Cooperative Study Group Archives RIEC NEWS WEB Latest version of the Archives RIEC, Tohoku University : Back number Annual Report of RIEC : Back Number RIEC NEWS Back Number Other Call For Proposals RIEC Administrative Office (Japanese Website) Educational Activities 日本語 English About RIEC Introduction Message from the Director Principles, Missions, Objectives Institute Vision Organization People, Land and Buildings, Budgets History Chronology International Activities COE of International Research Collaboration How to study at RIEC Organization Computing System Platforms Division Solid State Electronics Dielectric Nano-Devices Materials Functionality Design Spintronics Nano-Integration Devices and Systems Quantum Devices Innovative Spintronic Device Computing Information Theory New Paradigm VLSI System Information Communication Platforms Division Ultrahigh-Speed Optical Communication Group Applied Quantum Optics Group Advanced Wireless Information Technology Information Storage Systems Ultra-Broadband Signal Processing Quantum-Optical Information Technology Network Architecture Environmentally Conscious Secure Information System Human and Bio Information Systems Division Electromagnetic Bioinformation Engineering Advanced Acoustic Information Systems Visual Cognition and Systems Realｰworld computing Nano-Bio Hybrid Molecular Devices Interactive Content Design Soft Computing Integrated System Research Facilities Laboratory for Nanoelectronics and Spintronics Laboratory for Brainware Systems Research Center for 21st Century Information Technology（IT-21 Center） Common Research Facilities Flexible Information System Center Fundamental Technology Center Management Office for Safety and Health Promotion Office Ad-hoc research groups Co-creation Research Center Furukawa Electric x Tohoku Univ. Co-creation Research Center for Photonics Integration Staff Cooperative Research About RIEC Cooperative Research Projects Public Invitation RIEC Nation-wide Application System List of Research Projects Description of acknowledgment RIEC Annual Meeting FY2023 RIEC Annual Meeting FY2022 RIEC Annual Meeting International Exchange International Activities COE of International Research Collaboration Information What’s New Award News Press Release Event RIEC Annual Meeting Projects Type-T (Study Groups on Electrical Communication) Lecture Symposiums Nation-wide Cooperative Study Group Archives RIEC NEWS WEB Latest version of the Archives RIEC, Tohoku University : Back number Annual Report of RIEC : Back Number RIEC NEWS Back Number Other Call For Proposals RIEC Administrative Office (Japanese Website) Educational Activities 日本語 English Applied Quantum Optics Group HOME > Research Activities > Information Communication Platforms Division > Applied Quantum Optics Group &＃62;&＃62; Information Communication Platforms Division Applied Quantum Optics Group Researcher [ Professor ]Hiroshi Yasaka [ Associate Professor ]Masato Yoshida [ Associate Professor ]Nobuhide Yokota Group Web Site https://www.yasaka.riec.tohoku.ac.jp/index_E.html Research Activities We are investigating novel, highly functional semiconductor photonic devices and laser light sources, which is indispensable to realize new generation optical information communication network systems. Furthermore, our research interests cover ultrafast photonic devices including laser sources, opto-electronic semiconductor devices and their applications to optical computing and signal processing areas. Highly Functional Photonics（Prof. Yasaka） Research topics Ultra-high speed control of semiconductor photonic devices by signal light injection Highly functional semiconductor light sources Highly functional semiconductor optical modulators Novel functional semiconductor photonic integrated circuits We have been studying highly functional semiconductor photonic devices and semiconductor photonic integrated circuits based on semiconductor lasers and semiconductor optical modulators to create novel semiconductor photonic devices, which can control intensity, phase, frequency and polarization of optical signal freely. Furthermore we research novel semiconductor photonic functional devices based on novel principle to realize innovative photonic information communication network systems. High accuracy optical measurement(Assoc. Prof. Yoshida) Research topics Frequency stabilized lasers and their application to high accuracy optical measurements trashort mode-locked lasers and their application to frequency standards and microwave-photonics We are engaged in the development of frequency stabilized laser operated at 1.55 ?m and its application to high accuracy optical measurements. Furthermore, we are developing ultra-short pulse lasers. Emerging semiconductor light source (Assoc. Prof. Yokota) Emerging semiconductor lasers for communication and sensing Spin-controlled semiconductor lasers We are developing emerging semiconductor lasers for communication and sensing. Moreover, we are investigating novel semiconductor lasers whose electron spin polarization is controlled. Schematic structure of hybrid modulation semiconductor laser Related Videos 研究室のようすThe state of the research About RIEC Message from the Director Principles, Missions, Objectives Institute Vision Organization People, Land and Buildings, Budgets Chronology How to study at RIEC Cooperative Research About RIEC Cooperative Research Projects Public Invitation RIEC Nation-wide Cooperative Research Projects System Description of acknowledgment Information What’s New Archives Link Call For Proposals Link Access Contact Us Sitemap Organization Computing System Platforms Division Information Communication Platforms Division Human and Bio Information Systems Division Research Facilities Common Research Facilities Ad-hoc research groups International Exchange International Activities COE of International Research Collaboration RIEC public relations RIEC Newsweb RIEC Youtube Channel RIEC People 東北大学電気通信研究所Research Institute of Electrical Communication Tohoku University 〒980-8577 宮城県仙台市青葉区片平２丁目１−１2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JAPAN © 2019 Research Institute of Electrical Communication Tohoku University All Rights Reserved.