Coherent double-pulse excitation of charge-density-wave oscillation

Coherent double-pulse excitation of charge-density-wave oscillation
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DOI：
10.1143/jjap.46.870
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发表时间：
2007-02-01
期刊：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
影响因子：
--
通讯作者：
Morita, Ryuji
Morita, Ryuji
中科院分区：
其他
文献类型：
--
作者：
Onozaki, Tatsuyuki;Toda, Yasunori;Morita, Ryuji

文献摘要

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利用飞秒脉冲对实现了1T-TaS2中电荷密度波(CDW)集体模的相干控制。通过优化的脉冲间隔实现了对振荡的选择性增强和抑制。在-0.5~1ps的脉冲间隔时间范围内，增强抑制比和脉冲间隔对幅度的依赖关系与理论计算结果符合得很好。
The coherent control of a charge-density-wave (CDW) collective mode in 1T-TaS2 was performed using a femosecond pulse pair. Selective enhancement and suppression of the oscillation were achieved by optimal pulse separation. The ratio of enhancement to Suppression and pulse-separation dependence of the amplitude show a good correspondence with theoretical evaluation in the pulse-separation time range -0.5 to 1 ps.