Optical control of vibrational coherence triggered by an ultrafast phase transition

Neugebauer M. J.; Huber T.; Savoini M.; Abreu E.; Esposito V; Kubli M.; Rettig L.; Bothschafter E.; Grubel S.; Kubacka T.; Rittmann J.; Ingold G.; Beaud P.; Dominko D.; Demsar J.; Johnson S. L.

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Optical control of vibrational coherence triggered by an ultrafast phase transition

机译：光学控制超快速相变触发的振动相干

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Femtosecond time-resolved x-ray diffraction is employed to study the dynamics of the periodic lattice distortion (PLD) associated with the charge-density wave in K0.3MoO3. Using a multipulse scheme we show the ability to extend the lifetime of coherent oscillations of the PLD about the undistorted structure through reexcitation of the electronic states. This suggests that it is possible to enter a regime where the symmetry of the potential energy landscape corresponds to the high-symmetry phase but the scattering pathways that lead to the damping of coherent dynamics are still controllable by altering the electronic state population. The demonstrated control over the coherence time offers different routes for the manipulation of coherent lattice states.

机译：飞秒时间分辨X射线衍射用于研究K0.3MoO3中与电荷密度波有关的周期性晶格畸变（PLD）的动力学。使用多脉冲方案，我们展示了通过重新激发电子态来延长PLD围绕无畸变结构的相干振荡的寿命的能力。这表明有可能进入这样一种状态，其中势能态的对称性对应于高对称性相位，但是通过改变电子态种群仍然可以控制导致相干动力学衰减的散射路径。所证明的对相干时间的控制为相干晶格态的操纵提供了不同的途径。

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来源
《Physical review》 |2019年第22期|220302.1-220302.5|共5页
作者
Neugebauer M. J.; Huber T.; Savoini M.; Abreu E.; Esposito V; Kubli M.; Rettig L.; Bothschafter E.; Grubel S.; Kubacka T.; Rittmann J.; Ingold G.; Beaud P.; Dominko D.; Demsar J.; Johnson S. L.;
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Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland|Fritz Haber Inst Max Planck Gesell, Abt Phys Chem, D-14195 Berlin, Germany;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;

Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany|Inst Phys, HR-10000 Zagreb, Croatia;

Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany;

Swiss Fed Inst Technol, Phys Dept, Inst Quantum Elect, CH-8093 Zurich, Switzerland;

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1. Optical control of vibrational coherence triggered by an ultrafast phase transition [J] . Neugebauer M. J., Huber T., Savoini M., Physical review . 2019,第22期

机译：超快阶段转换触发的振动连贯的光学控制
2. Optical control of vibrational coherence triggered by an ultrafast phase transition [J] . Neugebauer M. J., Huber T., Savoini M., Physical review, B . 2019,第22期

机译：超快阶段转换触发的振动连贯的光学控制
3. Optical Control of Excited-State Vibrational Coherences of a Molecule in Solution:The Influence of the Excitation Pulse Spectrum and Phase in LD690 [J] . A.C.Florean, E.C.Carroll, K.G.Spears The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2006,第40期

机译：溶液中分子激发态振动相干的光学控制：LD690中激发脉冲光谱和相位的影响
4. Coherence, Relaxation and Reaction of Solution-Phase Molecules Studied by Femtosecond Nonlinear Spectroscopy: Vibrational Coherence Observed in the Third Order Optical Process [C] . Conference on ultrafast phenomena and strong laser fields . 2002

机译：由飞秒非线性光谱学研究的溶液相分子的相干性，放松和反应：在第三阶光学过程中观察到振动相干性
5. Theoretical studies of the external vibrational control of electronic excitation transfer and its observation using polarization- and optical phase-sensitive ultrafast spectroscopy. [D] . Biggs, Jason Daniel. 2010

机译：电子激发转移的外部振动控制的理论研究及其使用偏振和光学相位敏感的超快光谱的观察。
6. Strategies to improve phase-stability of ultrafast swept source optical coherence tomography for single shot imaging of transient mechanical waves at 16 kHz frame rate [O] . Shaozhen Song, Wei Wei, Bao-Yu Hsieh, -1

机译：改善超快扫频光源光学相干断层扫描的相位稳定性的策略以16 kHz帧频对瞬态机械波进行单次成像
7. Optical control of vibrational coherence triggered by an ultrafast phase transition [O] . M. J. Neugebauer, T. Huber, M. Savoini, 2019

机译：超快阶段转换触发的振动连贯的光学控制

Optical control of vibrational coherence triggered by an ultrafast phase transition

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