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.
电信波长 1.55 μm 的光折变非线性波混频已得到深入研究,因为它使我们有可能展示光束组合、光束净化和与光纤相结合的光学相位共轭。该波长范围的光折变主要在半导体等领域进行研究。为CdTe:V,因为传统的铁电材料,即Rh掺杂的BaTiO_3在该波长下具有非常差的光折变灵敏度。 :V 需要额外的大交流 (AC) 电场 (0.4 kV/cm) 和 1.3 μm 刺激照明,以实现高效的光折变两波混合增益。在这项工作中,我们研究了铁电半导体中的 1.55 μm 光折变相位共轭材料,硫代二磷酸锡(Sn_2P_2S_6,SPS),显示出相对窄的带隙(〜2.3 eV),高电荷迁移率以及大介电常数。
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)
Photorefractive two-wave mixing at 1.55 μm based on two-photon absorption in a Rh doped BaTiO_3 and Te doped Sn_2P_2S_6 crystals
基于Rh掺杂BaTiO_3和Te掺杂Sn_2P_2S_6晶体中双光子吸收的1.55 μm光折变双波混频
- DOI:10.1017/s0263034611000644
- 发表时间:2012
- 期刊:
- 影响因子:0.9
- 作者:K.Toyoda; K.Miyamoto; T.Omatsu; A.A.Grabar
- 通讯作者:A.A.Grabar
Optical phase conjugation of picosecond pulses at 1.06μm in Sn_2P_2S_6 : Te for real-time wavefront correction in high-power Nd-doped amplifier systems
Sn_2P_2S_6 中 1.06μm 皮秒脉冲的光学相位共轭:Te 用于高功率掺钕放大器系统中的实时波前校正
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:T.Bach; K.Nawata; M.Jazbinsek; T.Omatsu; P.Gunter
- 通讯作者:P.Gunter
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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
Fractional optical vortex laser and its frequency extension toward a terahertz region
点阵光学涡旋激光器及其向太赫兹区域的频率扩展
- 批准号:
24360022 - 财政年份:2012
- 资助金额:
$ 11.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Topological lightwave synthesis based on plasma hologram
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23656041 - 财政年份:2011
- 资助金额:
$ 11.32万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Organic waveguide laser based on random active layer containing a rare-earth complex
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- 批准号:
20900113 - 财政年份:2008
- 资助金额:
$ 11.32万 - 项目类别:
Ultra-fast phase conjugation through saturable amplification in disordered mixed vanadate crystal
无序混合钒酸盐晶体中通过饱和放大实现超快相共轭
- 批准号:
18360031 - 财政年份:2006
- 资助金额:
$ 11.32万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Spatial light modulation for ultra-fast optics by wave-mixing in saturable amplifier
通过可饱和放大器中的混波实现超快光学的空间光调制
- 批准号:
13650037 - 财政年份:2001
- 资助金额:
$ 11.32万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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