Time-Frequency Real-Time Imaging and Quantum Control of Phonon-Polariton Propagations
Time-Frequency Real-Time Imaging and Quantum Control of Phonon-Polariton Propagations
批准号:
25600113
负责人:
TAKEDA Jun
金额:
$2.58万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2013
资助国家:
日本
项目状态:
已结题
起止时间:
2013-04-01 至 2014-03-31
中文摘要
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英文摘要
We have developed single-shot time-frequency imaging spectroscopy with an echelon mirror, for visualizing ultrafast wavepacket propagations in time-frequency space. Using this new spectroscopy combined with pulse-shaping techniques, the phonon-polariton propagations of ferroelectric materials and graphene were successfully detected. In graphene, we found that the coherent nano-scale optical-phonon wavepacket can be excited by an impulsive excitation of inter-Dirac-cone scattering at graphene edges. On the other hand, in ferroelectric LiNbO3, we could coherently control the backward- and forward-propagating phonon-polaritons by double pump excitations.
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Nanoscale and Femtosecond Phonon Dynamics Observed with Surface Enhanced Raman Scattering
通过表面增强拉曼散射观察纳米级和飞秒声子动力学
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[I. Katayama, K. Shudo, J. Takeda, and M. Kitajima]
通讯作者:
and M. Kitajima
強誘電体におけるフォノンポラリトン波束伝播の実時間イメージングとコヒーレント制御
铁电体中声子极化子波包传播的实时成像和相干控制
DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
[武田淳, 南康夫, 片山郁文]
通讯作者:
片山郁文
武田・片山・南研究室
武田/片山/南实验室
DOI:
--
发表时间:
期刊:
影响因子:
--
作者:
[]
通讯作者:
Coherent nanoscale optical-phonon wave packet in graphene layers
石墨烯层中的相干纳米级光学声子波包
DOI:
10.1103/physrevb.88.245406
发表时间:
2013
期刊:
Physical Review B
影响因子:
3.7
作者:
[I. Katayama, K. Sato, S. Koga, J. Takeda, S. Hishita, H. Fukidome, M. Suemitsu, and M. Kitajim]
通讯作者:
and M. Kitajim
DOI:
10.1016/j.jlumin.2014.01.058
发表时间:
2014-08
期刊:
Journal of Luminescence
影响因子:
3.6
作者:
[J. Takeda;I. Katayama;K. Shudo;M. Kitajima]
通讯作者:
J. Takeda;I. Katayama;K. Shudo;M. Kitajima
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