Optical phase conjugation based on a ferroelectric semiconductor
基于铁电半导体的光学相位共轭
基本信息
- 批准号:21360026
- 负责人:
- 金额:$ 11.32万
- 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:2009
- 资助国家:日本
- 起止时间:2009 至 2011
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Photorefractive nonlinear wave mixing at the telecommunication wavelength 1.55 μm has been intensely investigated, because it enables us potentially to demonstrate beam combination, beam cleanup, and optical phase conjugation in combination with fiber optics. Photorefraction at this wavelength regime has been investigated mostly in semiconductors such as CdTe : V, since conventional ferroelectric materials, i.e., Rh doped BaTiO_3 has property of very poor photorefractive sensitivity at this wavelength. However, the CdTe : V requires an additional large alternating current (AC) electric field (.4 kV/cm) and 1.3 μm stimulating illumination to achieve an efficient photorefractive two wave mixing gain.In this work, we investigate 1.55 μm photorefractive phase conjugation in a ferroelectric semiconductor material, tin thiohypodiphosphate (Sn_2P_2S_6, SPS), showing a relatively narrow band gap (~2.3 eV), a high charge mobility, as well as a large dielectric constant.
已经积极研究了电信波长1.55μm处的光赋形非线性波混合,因为它使我们有可能证明束组合,束清除和光学相结合,并结合光纤。由于常规的铁电材料,即RH掺杂的Batio_3具有很差的光循环敏感性,因此在此波长等半导体(例如CDTE:V)中,在这种波长状态下进行了光致施加。 However, the CdTe : V requires an additional large alternative current (AC) electric field (.4 kV/cm) and 1.3 μm stimulating illumination to achieve an efficient photorefractive two wave mixing gain.In this work, we investigate 1.55 μm photorefractive phase conjugation in a ferroelectric semiconductor material, tin thiohypodiphosphate (Sn_2P_2S_6, SPS),显示相对狭窄的带隙(〜2.3 eV),高电荷迁移率以及较大的顽固常数。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
光波の全角運動量マニピュレーションによる物質の構造制御
通过光波的总角动量操纵来控制材料结构
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:S.Imagawa;K.Edagawa;國井俊佑・塚本貴広・豊城晃彦・飯田祐介・荻野俊郎;尾松孝茂
- 通讯作者:尾松孝茂
光波の角運動量を用いた金属ナノニードル加工
利用光波角动量进行金属纳米针加工
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:K.Edagawa;S.Imagawa;T.Nino;M.Notomi;尾松孝茂
- 通讯作者:尾松孝茂
Laser ablation by optical vortex beams
光学涡旋光束激光烧蚀
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:関本大介,金井輝人,兵頭政春,張贇,渡辺昌良,岡田佳子;X. Wang;Y. Zhu;C. T. Chen,渡部俊太郎;T. Omatsu
- 通讯作者:T. Omatsu
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OMATSU Takashige其他文献
OMATSU Takashige的其他文献
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{{ truncateString('OMATSU Takashige', 18)}}的其他基金
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24360022 - 财政年份:2012
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23656041 - 财政年份:2011
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20900113 - 财政年份:2008
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Ultra-fast phase conjugation through saturable amplification in disordered mixed vanadate crystal
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18360031 - 财政年份:2006
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16560031 - 财政年份:2004
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$ 11.32万 - 项目类别:
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Spatial light modulation for ultra-fast optics by wave-mixing in saturable amplifier
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13650037 - 财政年份:2001
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Multi-color solid dye laser containing mixture of dye molecules.
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11555010 - 财政年份:1999
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