Control of radiation in one-monolayer-thick atomic membrane using graphene plasmon

• Project/Area Number: 26390013
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Nanostructural physics
• Research Institution: National Institute for Materials Science
• Principal Investigator: Ochiai Tetsuyuki 国立研究開発法人物質・材料研究機構, 機能性材料研究拠点, 主任研究員 (80399386)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
• Keywords: グラフェン / プラズモン / 非線形光学 / 回折格子 / 非線形光学応答 / SHG / グラフェンプラズモン / 静電ポテンシャル / バンドギャップ / 光学伝導度

Outline of Final Research Achievements

We have established a scheme to control THz lights via graphene plasmon, a　collective exciｔation of doped electrons in graphene. By placing the graphene　sheet on a diffraction grating, a plasmonic band gap structure is formed, giving rise to a strong enhancement of the second-order optical nonlinearity in the THz region.

Research Products

• [Journal Article] Enahnced second-harmonic generation and photon drag effect in a doped graphene placed on a two-dimensional diffraction grating (2017)
  • Author(s): T. Ochiai
  • Journal Title: J. Opt. Soc. Am. B Volume: 34 Issue: 4 Pages: 749-749
  • DOI: 10.1364/josab.34.000740
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Synthetic gauge field and pseudospin-orbit interaction in a stacked two-dimensional ring-network lattice (2017)
  • Author(s): T. Ochiai
  • Journal Title: J. Phys.: Condens. Matter Volume: 29 Issue: 4 Pages: 045501-045501
  • DOI: 10.1088/1361-648x/29/4/045501
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Floquet-Weyl and Floquet-topological-insulator phases in a stacked two-dimensioanl ring-network lattice (2016)
  • Author(s): T. Ochiai
  • Journal Title: J. Phys.: Condens. Matter Volume: 28 Issue: 42 Pages: 425501-425501
  • DOI: 10.1088/0953-8984/28/42/425501
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Spatially periodic modulation of optical conductivity in doped graphene by two-dimensional diffraction grating (2015)
  • Author(s): T. Ochiai
  • Journal Title: J. Opt. Soc. Am. B Volume: 32 Issue: 4 Pages: 701-707
  • DOI: 10.1364/josab.32.000701
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Chiral Domain-Wall States in a Quadratic Hamiltonian (2013)
  • Author(s): T. Ochiai
  • Journal Title: J. Phys. Soc. Jpn. Volume: 82 Issue: 5 Pages: 054705-054705
  • DOI: 10.7566/jpsj.83.054705
  • NAID: 210000132867
  • Peer Reviewed
• [Presentation] Enhanced Second-Order Optical Nonlinearity in Doped Graphene on a Two-Dimensional Diffraction Grating (2016)
  • Author(s): T. Ochiai
  • Organizer: Frontiers in Optics
  • Place of Presentation: Rochester,USA
  • Year and Date: 2016-10-17
  • Int'l Joint Research