具有自由和受限共轭骨架的菁染料分子的振动波包控制

CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI:10.1109/CLEOE-EQEC.2009.5192588

K. Horikoshi, T. Tsukamoto, K. Misawa

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引用次数: 0

摘要

量子控制光化学过程，如光解离或光异构化可以通过控制波包动力学向激发态电位表面的反应坐标实现。我们已经演示了“实时波包工程”，将高灵敏度的波包光谱仪与计算机控制的脉冲整形器相结合，使我们能够以每秒20帧的速度测量时间分辨差分传输光谱[1]。我们成功地选择性地激发了与扭曲或弯曲模式相关的波包的特定模式运动[2]。

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Vibrational wave-packet control in cyanine dye molecules with free and restricted conjugated backbones

Quantum control of photochemical processes such as photodissociation or photoisomerization can be realized by controlling wave-packet dynamics towards the reaction coordinate on the excited-state potential surface. We already demonstrated “real-time wave-packet engineering” by combining a highly sensitive wave-packet spectrometer, which enabled us to measure the time-resolved difference transmission spectra at 20 frame-persecond, with a computer-controlled pulse shaper [1]. We were successful in selectively exciting mode-specific motion of a wave-packet related to either the twisting or bending mode individually [2].

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CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference

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