Novel optical devices for photonic networks using nonlinearity in carbon nanotubes

利用碳纳米管非线性的新型光子网络光学器件

基本信息

  • 批准号:
    16360166
  • 负责人:
  • 金额:
    $ 9.66万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
  • 财政年份:
    2004
  • 资助国家:
    日本
  • 起止时间:
    2004 至 2005
  • 项目状态:
    已结题

项目摘要

This project aims at realizing novel optical devices based on carbon nanotubes (CNT). We mainly concentrated on three topics, mode-locked fiber lasers using CNT thin films, CNT waveguides and fibers using evanescent wave coupling, and CNT based optical switches.(1)Mode-locked fiber lasers using CNT thin films : We demonstrated that CNT thin film can mode-lock the fiber laser at wide wavelength range from 1 to 1.6 microns. We also demonstrated high-repetition-rate (〜10GHz) mode-locked fiber laser by reducing the cavity size using the CNT thin film.(2)CNT waveguides and fibers using evanescent wave coupling : We prepared a CNT coated over-clad-less planar waveguide, and observed saturable absorption through evanescent wave coupling between the guided mode and the CNT. We successfully applied it for mode-locking the fiber laser. Based on the same principle, we fabricated fiber-type CNT devices using side-polished D-shaped fibers and tapered fibers, and also applied it as the mode locker.(3)CNT-based optical switches : We studied the possibility of optical switching using CNTs. By using the CNT coated planar waveguide in a nonlinear loop mirror (NOLM) configuration, we obtained the change of coupling ratio by about 20%. We also acheived the optical switching based on nonlinear polarization rotation (NPL) in a 5cm-long CNT coated D-shaped fiber with the switching power as low as 50mW and the extinction ratio as high as >20dB. It suggests that the nonlinear coefficient of the CNT is as high as 10^6 W^<-1>m^<-1>.
该项目旨在实现基于碳纳米管(CNT)的新型光学器件。我们主要集中在三个主题上,即使用CNT薄膜的锁模光纤激光器、使用倏逝波耦合的CNT波导和光纤以及基于CNT的光开关。(1)使用CNT薄膜的锁模光纤激光器:我们证明了CNT薄膜可以在1至1.6微米的宽波长范围内锁模光纤激光器。我们还通过使用CNT薄膜减小腔尺寸,展示了高重复率(〜10GHz)锁模光纤激光器。(2)使用倏逝波耦合的CNT波导和光纤:我们制备了CNT涂层无包层平面波导,并通过导模和CNT之间的倏逝波耦合观察到可饱和吸收。我们成功地将其应用于光纤激光器的锁模。基于同样的原理,我们使用侧面抛光的D形光纤和锥形光纤制作了光纤型CNT器件,并将其用作锁模器。(3)基于CNT的光开关:我们研究了使用CNT进行光开关的可能性。通过在非线性环镜(NOLM)配置中使用CNT涂层平面波导,我们获得了约20%的耦合比变化。我们还在5cm长的CNT涂层D形光纤中实现了基于非线性偏振旋转(NPL)的光开关,开关功率低至50mW,消光比高达>20dB。这表明CNT的非线性系数高达10^6 W^<-1>m^<-1>。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Mode-Locked Fiber Lasers Using Adjustable Saturable Absorption in Vertically Aligned Carbon Nanotubes
  • DOI:
    10.1143/jjap.45.l17
  • 发表时间:
    2005
  • 期刊:
  • 影响因子:
    1.5
  • 作者:
    S. Yamashita;Y. Inoue;S. Maruyama;Y. Murakami;H. Yaguchi;Tomoharu Kotake;S. Set
  • 通讯作者:
    S. Yamashita;Y. Inoue;S. Maruyama;Y. Murakami;H. Yaguchi;Tomoharu Kotake;S. Set
超高速カーボンナノチューブ可飽和吸収素子と受動モード同期光ファイバレーザへの応用(招待論文)
超快碳纳米管可饱和吸收器件及其在被动锁模光纤激光器中的应用(特邀论文)
1300-nm pulsed fiber lasers mode-locked by purified carbon nanotubes
  • DOI:
    10.1109/lpt.2005.850883
  • 发表时间:
    2005-07
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Yong-Won Song;S. Set;S. Yamashita;C. Goh;T. Kotake
  • 通讯作者:
    Yong-Won Song;S. Set;S. Yamashita;C. Goh;T. Kotake
超高速カーボンナノチューブ可飽和吸収素子と受動モード同期光ファイバレーザーへの応用 (招待論文)
超快碳纳米管可饱和吸收器件及其在被动锁模光纤激光器中的应用(特邀论文)
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YAMASHITA Shinji其他文献

YAMASHITA Shinji的其他文献

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{{ truncateString('YAMASHITA Shinji', 18)}}的其他基金

Study on food functions and metabolism of plasmalogen in colon
结肠中缩醛磷脂的食物功能及代谢研究
  • 批准号:
    19K05892
  • 财政年份:
    2019
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
High-speed and wideband wavelength tunable mode-locked fiber lasers using chromatic dispersion and their applications
利用色散的高速宽带波长可调谐锁模光纤激光器及其应用
  • 批准号:
    18360163
  • 财政年份:
    2006
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Rethinking training in cultural anthropology : meeting the new needs of Japanese society
反思文化人类学培训:满足日本社会的新需求
  • 批准号:
    13410094
  • 财政年份:
    2001
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Wideband Optical Fiber Amplifiers and Lasers for WDM Systems
用于 WDM 系统的宽带光纤放大器和激光器
  • 批准号:
    12450138
  • 财政年份:
    2000
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Optical Fiber Laser Devices for WDM Systems
用于 WDM 系统的光纤激光器件
  • 批准号:
    12555107
  • 财政年份:
    2000
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Use of Oral Tolerance to Improve the Disposition of Protein Drugs in the Body
利用口服耐受性改善蛋白质药物在体内的分布
  • 批准号:
    10672165
  • 财政年份:
    1998
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Multiwavelength Optical Fiber Lasers for WDM Systems
用于 WDM 系统的多波长光纤激光器
  • 批准号:
    10555124
  • 财政年份:
    1998
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
The Dynamics of Ethnic Cultures in Insular Southeast Asia : The Interplay of local, National and Global Perspectives
东南亚岛屿民族文化的动态:地方、国家和全球视角的相互作用
  • 批准号:
    06041017
  • 财政年份:
    1994
  • 资助金额:
    $ 9.66万
  • 项目类别:
    Grant-in-Aid for international Scientific Research

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