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2013 Fiscal Year Final Research Report

Study of picosecond optical switch controlled by optical light using graphene-loaded optical waveguides

Research Project

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Project/Area Number 23656243
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Electron device/Electronic equipment
Research InstitutionThe University of Tokushima

Principal Investigator

GOTO Nobuo  徳島大学, ソシオテクノサイエンス研究部, 教授 (60170461)

Co-Investigator(Kenkyū-buntansha) YANAGIYA Shin-ichiro  徳島大学, 大学院・ソシオテクノサイエンス研究部, 助教 (40314851)
Project Period (FY) 2011 – 2013
Keywords光スイッチ / 非線形光学効果 / グラフェン / 可飽和吸収 / 光集積回路
Research Abstract

This project aims to realize a high-speed all-optical switch by efficient control with graphene-loaded waveguides in the optical communication band. The proposed switch is based on our previously proposed all-optical wavelength-selective switch controlled by Raman amplification. Optical saturable absorption in graphene can be used to control the optical signal amplitude. First, we experimentally measured optical power-dependent insertion-loss in a graphene-loaded waveguide and its dependence on optical polarization by using a femtosecond laser source. The measured result shows that the obtained 10-dB change of insertion loss can be enough large for applying to the proposed switch. Next, we theoretically analyzed optical switching controlled by saturable absorption accompanied by refractive-index change. We found that the switching efficiency can be improved by considering the accompanied refractive-index change.

  • Research Products

    (14 results)

All 2014 2013 2012 2011

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (12 results)

  • [Journal Article] Saturable Absorption by Vertically Inserted or Overlaid Monolayer Graphene in Optical Waveguide for All-Optical Switching Circuit2013

    • Author(s)
      M. Takahashi, W. Ueda, N. Goto, and S. Yanagiya
    • Journal Title

      IEEE Photonics Journal

      Volume: vol.5, no.5 Pages: 6602109-1--9

    • DOI

      10.1109/JPHOT.2013.2284256

    • Peer Reviewed
  • [Journal Article] All-optical switch consisting of two-stage interferometers controlled by using saturable absorption of monolayer graphene2012

    • Author(s)
      M. Oya, H. Kishikawa, N. Goto, and S. Yanagiya
    • Journal Title

      Opt. Express

      Volume: vol.20, no.24 Pages: 27322-27330

    • DOI

      10.1364/OE.20.027322

    • Peer Reviewed
  • [Presentation] 2 段接続MZI におけるグラフェンによる屈折率変化を伴った可飽和吸収を用いた全光スイッチの検討2014

    • Author(s)
      高橋みさき, 岸川博紀, 後藤信夫, 柳谷伸一郎
    • Organizer
      電子情報通信学会光エレクトロニクス研究会
    • Place of Presentation
      機械振興会館(東京都)
    • Year and Date
      2014-05-16
  • [Presentation] 全光スイッチのための単層グラフェン垂直挿入型および装荷型光導波路における可飽和吸収特性の検討2014

    • Author(s)
      高橋みさき, 上田和生子, 後藤信夫, 柳谷伸一郎
    • Organizer
      電子情報通信学会, 光エレクトロニクス研究会
    • Place of Presentation
      同志社大学(京都府)
    • Year and Date
      2014-01-24
  • [Presentation] 単層グラフェンの可飽和吸収特性による全光スイッチングの検討2013

    • Author(s)
      高橋みさき, 上田和生子, 後藤信夫, 柳谷伸一郎
    • Organizer
      平成25年度電気関係学会四国支部連合大会
    • Place of Presentation
      徳島大学(徳島県)
    • Year and Date
      2013-09-21
  • [Presentation] 単層グラフェンの可飽和吸収特性による光波制御の検討2013

    • Author(s)
      高橋みさき, 上田和生子, 後藤信夫, 柳谷伸一郎
    • Organizer
      2013年電子情報通信学会ソサイエティ大会
    • Place of Presentation
      福岡工業大学(福岡県)
    • Year and Date
      2013-09-17
  • [Presentation] Saturable Absorption in Vertically Inserted and Overlaid Monolayer-Graphene in Optical Waveguide for All-Optical Switching2013

    • Author(s)
      M. Takahashi, W. Ueda, N. Goto, and S. Yanagiya
    • Organizer
      IEEE Photonics Conference (IPC2013)
    • Place of Presentation
      Hyatt Regency Bellevue (Seattle, USA)
    • Year and Date
      2013-09-11
  • [Presentation] Saturable Absorption in Multiple Sheets of Monolayer Graphene for Optical Switching2013

    • Author(s)
      M. Takahashi, W. Ueda, N. Goto, and S. Yanagiya
    • Organizer
      the 10th Conference on Lasers and Electro-Optics Pacific Rim, and the 18th OptoElectronics and Communications Conference / Photonics in Switching 2013 (CLEO-PR & OECC/PS 2013)
    • Place of Presentation
      Kyoto International Conference Center (Kyoto)
    • Year and Date
      2013-07-04
  • [Presentation] 単層グラフェンの可飽和吸収特性を用いた高速導波路型全光スイッチの検討2013

    • Author(s)
      大屋誠啓, 岸川博紀, 後藤信夫, 柳谷伸一郎
    • Organizer
      電子情報通信学会光エレクトロニクス研究会
    • Place of Presentation
      大阪大学(大阪府)
    • Year and Date
      2013-01-25
  • [Presentation] 単層グラフェンの可飽和吸収特性を用いた導波路型全光スイッチ2012

    • Author(s)
      大屋誠啓, 岸川博紀, 後藤信夫, 柳谷伸一郎
    • Organizer
      2012 電気関係学会四国支部連合大会
    • Place of Presentation
      四国電力総合研究所(香川県)
    • Year and Date
      2012-09-29
  • [Presentation] Waveguide-Type All Optical Switch Using Saturable Absorption of Graphene2012

    • Author(s)
      M. Oya, H. Kishikawa, N. Goto, and S. Yanagiya
    • Organizer
      16th European Conference on Integrated Optics (ECIO2012)
    • Place of Presentation
      Melia Sitges Hotel (Barcelona, Spain)
    • Year and Date
      2012-08-18
  • [Presentation] グラフェンによる可飽和吸収を用いた導波路型光スイッチの検討2012

    • Author(s)
      大屋誠啓, 岸川博紀, 後藤信夫, 柳谷伸一郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      岡山大学(岡山県)
    • Year and Date
      2012-03-22
  • [Presentation] 単一制御光を用いた振幅制御による全光型波長選択スイッチの非対称性の軽減の検討2011

    • Author(s)
      大屋誠啓, 木宮健太, 岸川博紀, 後藤信夫, 柳谷伸一郎
    • Organizer
      電気関係学会四国支部連合大会
    • Place of Presentation
      阿南工業高等専門学校(徳島県)
    • Year and Date
      2011-09-23
  • [Presentation] Reduction of Asymmetry in All-Optical Wavelength-Selective Switch by Amplitude Control with Single Control Light2011

    • Author(s)
      M. Ohya, K. Kimiya, H. Kishikawa, N. Goto and S. Yanagiya
    • Organizer
      16th Opto-Electronics and Communications Conference (OECC2011)
    • Place of Presentation
      Splendor Kaohsiung (Kaohsiung, Taiwan)
    • Year and Date
      2011-07-06

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Published: 2015-06-25  

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