Yasuaki Monnai

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Affiliation

Project Assistant Professor
Department of Complexity Science and Engineering
Graduate School of Frontier Sciences
The University of Tokyo
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
Phone: +81-3-5841-6900 (office)
Email: Yasuaki_Monnai(at)ipc.i.u-tokyo.ac.jp

Curriculum Vitae

  • Project Assistant Professor, Department of Complexity Science and Engineering, University of Tokyo, Japan. (2013)
  • Project Assistant Professor, Department of Creative Informatics, University of Tokyo, Japan. (2013)
  • Ph.D. in Information Science and Technology,  Department of Information Physics and Computing, University of Tokyo, Japan. (2013)
  • Guest Researcher, Department of Physics, Philipps University of Marburg, Germany (2012)
  • Guest Scientist, Institute of Nanostructure Technologies and Analytics (INA), University of Kassel, Germany (2010 – 2011)
  • Research Fellow, Japan Society for the Promotion of Science (JSPS) (2010 – 2013)
  • Master of Information Science and Technology, Department of Information Physics and Computing, University of Tokyo, Japan (2010)
  • Bachelor of Engineering, Department of Mathematical Engineering and Information Physics, University of Tokyo, Japan (2008)

Research Theme

My research interest includes exploring wireless sensing and communication with a very high spatio-temporal resolution enabled by  electromagnetic waves that expand from the microwaves (GHz), terahertz (THz) up to the optical regime (several hundred THz).   The research is performed with an emphasis on novel structures as well as signal processing techniques. Other physical waves  such as ultrasounds also lie within the interest.  The general goal of the research is to capture information that is elusive for any conventional sensors including the human sensory,  and explore novel applications.

Publications

Papers

  1. Yasuaki Monnai, David Jahn, Withawat Withayachumnankul, Martin Koch, and Hiroyuki Shinoda, “Terahertz Plasmonic Bessel Beamformer,” Applied Physics Letters, vol.106, no.2, 021101, 2015.  (Front Cover, Research Highlights in Nature Photonics, vol.9, 141, 2015)
  2. Takuya Okuyama, Yasuaki Monnai, and Hiroyuki Shinoda, “20 GHz Focusing Antennas Based on Corrugated Waveguide Scattering,” IEEE Antennas and Wireless Propagation Letters, vol.12, no.1, pp.1284-1286, 2013.
  3. Yasuaki Monnai, Kristian Altmann, Christian Jansen, Hartmut Hillmer, Martin Koch, and Hiroyuki Shinoda, “Terahertz beam steering and variable focusing using programmable diffraction gratings,”  Optics Express, vol.21, no.2, pp.2347-2354, 2013.
  4. Yasuaki Monnai, Kristian Altmann, Christian Jansen, Martin Koch, Hartmut Hillmer, and Hiroyuki Shinoda, “Terahertz Beam Focusing Based on Plasmonic Waveguide Scattering,” Applied Physics Letters, vol.101, no.15, 15116, 2012.
  5. Yasuaki Monnai, Hiroyuki Shinoda, and Hartmut Hillmer, “Focused Terahertz Radiation Formed by Coherently Scattered Surface Plasmon Polaritons from Partially Uncorrugated Metal Surfaces,” Applied Physics B, 104, pp.913-917, 2011.
  6. Yasuaki Monnai and Hiroyuki Shinoda, “Focus-Scanning Leaky-Wave Antenna with Electronically Pattern-Tunable Scatterers,” IEEE Transactions on Antennas and Propagation, vol.59, no.6, pp.2070-2077, 2011.
  7. Yasuaki Monnai and Hiroyuki Shinoda, “3D Beamforming Coupler for 2D Waveguides Using Dielectric Scatterer Array,” SICE Journal of Control, Measurement, and System Integration, vol.4, no.1, pp.37-42, 2011.
  8. Yasuaki Monnai and Hiroyuki Shinoda, “Microwave Beam Coupler between Two-Dimensional Communication Medium and Surrounding Space Using Dielectric Grating,” Trans. IEICE, J92-C, No.12, pp.797-805, 2009 (in Japanese).

Conference

  1. Yasuaki Monnai, Keisuke Hasegawa, Masahiro Fujiwara, Seki Inoue, and Hiroyuki Shinoda, “HaptoMime: Mid-Air Haptic Interactions with a Floating Virtual Screen,” Proc. 27th ACM User Interface Software and Technology Symposium (UIST2014), Hawaii, USA Oct., 2014.
  2. Yasuaki Monnai, Withawat Withayachumnankul, David Jahn, Martin Koch, and Hiroyuki Shinoda, “THz Vector Bessel Beams Generated By Plasmonic Waveguide Scattering,” Proc. 39th International Conference on Infrared, Terahertz and Millimeter Waves (IRMMW 2014), Tucson, USA, Sep. 2014.
  3. Seki Inoue, Koseki J. Kobayashi-Kirschvink, Yasuaki Monnai, Keisuke Hasegawa, Yasutoshi Makino, and Hiroyuki Shinoda, “HORN: The Hapt-Optic Reconstruction,” 41st International Conference and Exhibition on Computer Graphics and Interactive Techniques (SIGGRAPH 2014) Emergency Technologies, Vancouver, Canada, Aug. 2014.
  4. Robert McKinney, Yasuaki Monnai, Rajind Mendis, and Daniel Mittleman, “A Terahertz Leaky-Wave Antenna using a Parallel-Plate Waveguide,” Conference on Lasers and Electro-Optics (CLEO2014), San Jose, CA, USA, Jun. 2014.
  5. Withawat Withayachumnankul, Yasuaki Monnai, Miguel Navarro-Cía, and Tahsin Akalin, “Terahertz periodic leaky-wave antennas with metamaterial scatterers,” The 5th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META2014), Singapore, May. 20, 2014.
  6. Yasuaki Monnai, Withawat Withayachumnankul, and Hiroyuki Shinoda, “A Plasmonic Lens for THz Bessel Beamforming,” The 5th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META2014), Singapore, May. 20, 2014.
  7. Yasuaki Monnai, Kristian Altmann, Martin Koch, Hartmut Hillmer, and Hiroyuki Shinoda, “Steering and Focusing of THz Beams Using Programmable Diffraction Gratings,” International Workshop on Optical Terahertz Science and Technology (OTST) 2013, Kyoto, Japan, Apr. 2013.
  8. Yasuaki Monnai, Kristian Altmann, Martin Koch, Hartmut Hillmer, and Hiroyuki Shinoda, “THz Beam Steering Based on Plasmonic Waveguide Scattering with Tunable Gratings,” 37th International Conference on Infrared, Terahertz and Millimeter Waves (IRMMW 2012), Wollongong, Australia, Sep. 2012.
  9. Takuya Okuyama, Yasuaki Monnai, and Hiroyuki Shinoda, “Possibility of Wireless Sensor Chip without External Antenna Using 30GHz Phased Array Reader,” Proc. SICE Annual Conference 2012, Aug. 2012.
  10. Yasuaki Monnai, Volker Viereck, Hartmut Hillmer, Krisitian Altmann, Christian Jansen, Martin Koch, and Hiroyuki Shinoda, “Terahertz Beam Steering Using Structured MEMS Surfaces for Networked Wireless Sensing,” Proc. 9th International Conference on Networked Sensing Systems, Antwerp, Belgium, Jun. 2012.
  11. Yasuaki Monnai, Hiroyuki Shinoda, Andreas Jäkel, Volker Viereck, and Hartmut Hillmer, “Terahertz Focus Steering Technique for Quasi-Optical Networked Sensing Applications,” Proc. 8th International Conference on Networked Sensing Systems, Penghu, Taiwan, Jun. 2011.
  12. Yasuaki Monnai and Hiroyuki Shinoda, “Microwave Phased Array Sheet for Wireless Sensor Network,” Proc. 7th International Conference on Networked Sensing Systems, pp.123-129, Kassel, Germany, Jun. 2010.
  13. Yasuaki Monnai and Hiroyuki Shinoda, “Dielectric Grating Antenna for 2D Waveguides Interconnection,” Proc. ICROS-SICE International Joint Conference 2009, pp.1110-1114, Fukuoka, Japan, Aug. 2009.
  14. Yasuaki Monnai and Hiroyuki Shinoda, “Converting 2D Microwave into 3D Beam Using Dielectric Grating Antenna,” Proc. 6th International Conference on Networked Sensing Systems, pp.183-187, Pittsburgh, USA, Jun. 2009.

Technical Demonstration

  • Keisuke Hasegawa, Yasuaki Monnai, Masahiro Fujiwara, Kazuma Yoshino, and Hiroyuki Shinoda, “An Aerial Vibrotactile Display with Floating Visual Images,” IEEE World Haptics Conference 2013, D1-18, Daejeon, Korea, April 14-18, 2013.

Press

  • “テラヘルツ波で高速無線通信 東大など、基幹技術 (in Japanese)”, Nikkei, 26.03.2013 [link]
  • “Electric focusing and steering of THz beams,” Deutsches Wissenschafts- und Innovationshaus, 07.02.2013 [link]
  • “Wellen unter Kontrolle,” Pressemitteilung der Philipps Universität Marburg, 28.01.2013 [link]
  • “Forschung für eine Zukunft ohne Elektrosmog ,” Universität Kassel publik, Germany, 30.11.2010 [link]
  • “Zukunft ohne Elektrosmog,”  Hessische/Niedersächsische Allgemeine (HNA), Germany, 22.11.2010 [link]
  • “Forschung für eine Zukunft ohne Elektrosmog und Kabelgewirr,” Pressemitteilung der Universität Kassel, 154/10, Germany, 15.11.2010 [link]

Awards

  • Honorable Mention of Best Demonstration Award, AsiaHaptics 2014 (2014.11.20)
  • ACM SIGGRAPH Special Prize in Digital Content EXPO 2014 (2014.10.23)
  • Innovative Technolgies 2014, Industry Special Prize (2014.10.23)
  • People’s Choice Best Demo Award, UIST 2014 (ACM Symposium on User Interface Software and Technology) (2014.10.07)
  • Innovative Technologies 2014, Ministry of Econoy, Trade and Industry, Japan. (2014)
  • CST Studio Suite YEP Award, AET, INC. (2014)
  • Poster Award, International Workshop on Optical Terahertz Science and Technology (OTST) 2013 (2013)
  • Dean’s Award in the Graduate School of Information Science and Technology, The University of Tokyo (2012)
  • Sensing Forum Young Author Award (2010)
  • Dean’s Award in the Graduate School of Information Science and Technology, The University of Tokyo (2010)
  • SICE Young Author Award (2009)
  • SICE System Integration Division Lecture Award (2009)
  • SICE Industrial Application Division Award (2009)
  • International Award Finalist, ICROS-SICE International Joint Conference 2009 (2009)
  • Young Author’s Award Finalist, ICROS-SICE International Joint Conference 2009 (2009)
  • SICE System Integration Division Lecture Award (2008)

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