SUPERCARRIER MODULATION WITH A FEMTOSECOND LASER AND ITS APLLICATIONS FOR NEW FUNCTIONAL PHOTONIC DEVICES

飞秒激光超级载波调制及其在新型功能光子器件中的应用

基本信息

  • 批准号:
    12450146
  • 负责人:
  • 金额:
    $ 9.6万
  • 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:
    2000
  • 资助国家:
    日本
  • 起止时间:
    2000 至 2002
  • 项目状态:
    已结题

项目摘要

This project investigates terahertz radiation from high-Tc superconductors (HTSs), ultrafast carrier dynamics in HSTs, optical vortex generation due to ultrafast optical supercurrent modulation, proposal and developments of new photonic devices and systems.We successfully observed THz radiation from YBCO, TBCCO, BSCCO, and Pr doped YBCO, and discovered optically-excited Josephson plasma emission from TBCCO under weak magnetic flied. The carrier dynamics was observed in time domain with a time resolution of 100 fs using pump and probe THz emission spectroscopy. It was found that Pr-doping into YBCO strongly enhances THz emission intensity, which is attributable to the decrease in THz reflection at the interface between superconductors and substrate. We discovered new effect in optical vortex generation, can to be explained by the conventional rule of superconductivity. The mechanism was explained by ultrafast optical supercurrent modulation. We proposed to apply this new effect to detec … More t and process femtosecond optical signals, and demonstrated to detect a single shot femtosecond optical signal via otpcal vortec generation.As an application research we developed Laser-Terahertz Emission Microscope (LTEM) and observed supercurrent distribution ih high-Tc superconductors. It proven that the LTEM is a potential tool to observe supercurrent and vortices in HTSs as the noncontact, nondestructively and free-space evaluation system.We also developed photon microwave converter by fabricating photomixer and HTS Josephson junction hybrid device. We proposed this photon microwave converter as a potential system to detect accurate optical wavelength.We propose optically-controlled-terahertz flux-flow transistor as an optical direct interface between optical communication signals and single flux quantum logic circuits. The preliminary device was fabricated and tested under optical excitation.The results obtained here has opened new research field "Superconductor Photonics", which will provide a key breakthrough for terahertz technology. Less
本项目主要研究高温超导体的太赫兹辐射、高温超导体中的超快载流子动力学、超快光超电流调制产生的光涡旋、新型光子器件和系统的提出和发展等方面的问题,成功地观测到了YBCO、TBCCO、BSCCO和Pr掺杂YBCO的太赫兹辐射,并发现了弱磁场下TBCCO的光激发约瑟夫森等离子体发射。利用泵浦和探测THz发射光谱,在时间分辨率为100 fs的时域中观察到载流子动力学。结果表明,Pr掺杂YBCO可以显著增强THz辐射强度,这是由于Pr掺杂降低了超导体与衬底界面处的THz反射。我们发现了光涡旋产生的新效应,可以用传统的超导规则来解释。用超快光超电流调制解释了其机理。我们建议将这种新效应应用于detec ...更多信息 测试和处理飞秒光信号,并演示了利用光涡旋产生探测单次飞秒光信号,作为应用研究,我们研制了激光-太赫兹发射显微镜(LTEM),并观察了高温超导体中的超导电流分布。实验结果表明,LTEM作为一种非接触、非破坏性、自由空间的测量系统,是一种很有潜力的观测高温超导体中超导电流和涡旋的工具。我们提出了这种光子微波转换器作为一种潜在的系统,以检测准确的光波长,我们提出了光控太赫兹通量流晶体管作为光通信信号和单通量量子逻辑电路之间的光直接接口。初步的器件已经制作完成,并在光激发下进行了测试,这一结果开辟了“超导光子学”的新研究领域,为太赫兹技术的发展提供了关键性的突破。少

项目成果

期刊论文数量(238)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Y.Tominari: "Resonant Terahertz Radiation from Tl_2Ba_2CaCu_2O_<8+δ> Thin Films by Ultrafast Optical Pulse Excitation"Applied Physics Letter. 80・17. 3147-3149 (2002)
Y. Tominari:“超快光脉冲激发产生的 Tl_2Ba_2CaCu_2O_<8+δ> 薄膜的共振太赫兹辐射”应用物理快报 80・17 (2002)。
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    0
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M.Misra: "Analysis of a flip-chip bonded tunable high-temperature superconducting coplanar waveguide resonator using the conformal mapping technique"Superconductor Science and Technology. 16. 492-497 (2003)
M.Misra:“使用共形映射技术分析倒装芯片接合的可调谐高温超导共面波导谐振器”《超导科学与技术》。
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    0
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斗内政吉: "超伝導体の極短光パルス応答と磁束量子制御"電子情報通信学会和文論文誌. J85-C. (2002)
Masakichi Tonai:“超导体中的超短光脉冲响应和磁通量量子控制”,日本电子、信息和通信工程师学会杂志 J85-C。
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  • 发表时间:
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  • 影响因子:
    0
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  • 通讯作者:
M.Tonouchi: "Laser Power Dependence of Optical Magnetic Flux Generation in YBCO Thin Film Loops"Singapore Journal of Physics. 18(1). 153-159 (2002)
M.Tonouchi:“YBCO 薄膜环中光磁通量生成的激光功率依赖性”新加坡物理学杂志。
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  • 影响因子:
    0
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  • 通讯作者:
M.Tonouchi: "Magnetic Flux Quanta in YBa_2Cu_3O_<7-□> Thin-Film Loops Controlled by Femtosecond Optical Pulses"Japanese Journal of Applied Physics. 40・6A. L542-L544 (2001)
M.Tonouchi:“飞秒光脉冲控制的YBa_2Cu_3O_<7-□>薄膜环中的磁通量量子”日本应用物理学杂志40・6A(2001)。
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    0
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TONOUCHI Masayoshi其他文献

TONOUCHI Masayoshi的其他文献

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{{ truncateString('TONOUCHI Masayoshi', 18)}}的其他基金

Optical control of local ferroelectric polarity
局部铁电极性的光学控制
  • 批准号:
    23656219
  • 财政年份:
    2011
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Construction of Optical-Terahertz Function in Strong Correlated Materials
强相关材料中太赫兹光学函数的构建
  • 批准号:
    22246043
  • 财政年份:
    2010
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Development of a high-resolution laser-THz-emission-microscope
高分辨率激光太赫兹发射显微镜的开发
  • 批准号:
    19360161
  • 财政年份:
    2007
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of laser terahertz emission microscope and its application to LSI defect analysis
激光太赫兹发射显微镜的研制及其在LSI缺陷分析中的应用
  • 批准号:
    16206036
  • 财政年份:
    2004
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
DEVELOPMENT OF TUNABLE LOCAL OSCILLATOER OF THZWAVE BY PHOTOMIXING EXCITATION
光混合激励THZWAVE可调谐本振振荡器的研制
  • 批准号:
    13555107
  • 财政年份:
    2001
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)

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System for 3D femtosecond laser-based micromachining
基于飞秒激光的 3D 微加工系统
  • 批准号:
    537273289
  • 财政年份:
    2024
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    $ 9.6万
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    Major Research Instrumentation
High-power Ytterbium femtosecond laser amplifier system
高功率镱飞秒激光放大器系统
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    532577495
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    2024
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    $ 9.6万
  • 项目类别:
    Major Research Instrumentation
Transient Optical Nonlinearities Engendered by Femtosecond Laser Filamentation in Gases
气体中飞秒激光丝产生的瞬态光学非线性
  • 批准号:
    2309247
  • 财政年份:
    2023
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    $ 9.6万
  • 项目类别:
    Standard Grant
Femtosecond laser-induced periodic surface nano-structures for engineering anisotropic thermal conductivities
用于工程各向异性热导率的飞秒激光诱导周期性表面纳米结构
  • 批准号:
    23K13260
  • 财政年份:
    2023
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    $ 9.6万
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    Grant-in-Aid for Early-Career Scientists
High power femtosecond laser system
高功率飞秒激光系统
  • 批准号:
    526169114
  • 财政年份:
    2023
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    $ 9.6万
  • 项目类别:
    Major Research Instrumentation
Femtosecond Laser Facility
飞秒激光设备
  • 批准号:
    496567232
  • 财政年份:
    2022
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Major Research Instrumentation
Proposal to resurrect femtosecond laser labs for probing electronic materials
复兴飞秒激光实验室以探测电子材料的提案
  • 批准号:
    RTI-2023-00018
  • 财政年份:
    2022
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Research Tools and Instruments
MRI: Acquisition of a Femtosecond Laser/Streak Camera Fluorescence Spectrometer
MRI:获取飞秒激光/条纹相机荧光光谱仪
  • 批准号:
    2216375
  • 财政年份:
    2022
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    $ 9.6万
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    Standard Grant
Ultrafast femtosecond laser control of electron dynamics in two-dimensional strong spin-orbit coupling materials
二维强自旋轨道耦合材料中电子动力学的超快飞秒激光控制
  • 批准号:
    22K13991
  • 财政年份:
    2022
  • 资助金额:
    $ 9.6万
  • 项目类别:
    Grant-in-Aid for Early-Career Scientists
Characterization of nanoparticles generated during femtosecond laser micromachining in air
空气中飞秒激光微加工过程中产生的纳米颗粒的表征
  • 批准号:
    573753-2022
  • 财政年份:
    2022
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  • 项目类别:
    University Undergraduate Student Research Awards
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