The International Conference on Ultrafast Phenomena (UP) 2022最新文献

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Femtosecond nanoscopy of charge carrier dynamics in van der Waals heterostructures 范德华异质结构中载流子动力学的飞秒纳米观察
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th3a.4
F. Sandner, T. Siday, M. Plankl, P. E. Faria Junior, S. Brem, M. Zizlsperger, R. Perea-Causín, F. Schiegl, S. Nerreter, S. Maier, F. Mooshammer, M. Huber, M. Gmitra, J. Fabian, E. Malic, T. Cocker, R. Huber
{"title":"Femtosecond nanoscopy of charge carrier dynamics in van der Waals heterostructures","authors":"F. Sandner, T. Siday, M. Plankl, P. E. Faria Junior, S. Brem, M. Zizlsperger, R. Perea-Causín, F. Schiegl, S. Nerreter, S. Maier, F. Mooshammer, M. Huber, M. Gmitra, J. Fabian, E. Malic, T. Cocker, R. Huber","doi":"10.1364/up.2022.th3a.4","DOIUrl":"https://doi.org/10.1364/up.2022.th3a.4","url":null,"abstract":"Ultrafast polarization nanoscopy traces the femtosecond interlayer tunneling and the density-dependent Mott transition of strongly bound excitons in custom-tailored van der Waals heterostructures with subcycle temporal and nanometer spatial resolution.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125074986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrafast Molecular Imaging Using 4-Fold Covariance: Coincidence Insight with Covariance Speed 使用4倍协方差的超快分子成像:与协方差速度的重合洞察
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu4a.40
Chuan-ming Cheng, L. Frasinski, Gonenc Mogol, F. Allum, A. Howard, P. Bucksbaum, M. Brouard, R. Forbes, T. Weinacht
{"title":"Ultrafast Molecular Imaging Using 4-Fold Covariance: Coincidence Insight with Covariance Speed","authors":"Chuan-ming Cheng, L. Frasinski, Gonenc Mogol, F. Allum, A. Howard, P. Bucksbaum, M. Brouard, R. Forbes, T. Weinacht","doi":"10.1364/up.2022.tu4a.40","DOIUrl":"https://doi.org/10.1364/up.2022.tu4a.40","url":null,"abstract":"We develop mathematical tools to compute higher order covariances in charged particle detection, and demonstrate fourfold covariance measurements for molecular imaging with intense ultrafast laser pulses.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129693880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A simplified method for ultrashort pulse characterization based on two-color photoemission 一种基于双色光电发射的超短脉冲表征简化方法
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.40
N. Di Palo, Bruno Moio, Giacomo Inzani, Gian Luca Dolso, F. Medeghini, R. B. Varillas, M. Nisoli, M. Lucchini
{"title":"A simplified method for ultrashort pulse characterization based on two-color photoemission","authors":"N. Di Palo, Bruno Moio, Giacomo Inzani, Gian Luca Dolso, F. Medeghini, R. B. Varillas, M. Nisoli, M. Lucchini","doi":"10.1364/up.2022.w4a.40","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.40","url":null,"abstract":"We present a novel method, named STRIPE, for the complete temporal characterization of ultrashort light pulses. By applying STRIPE to both simulated and experimental data, we demonstrate its superior performances against other established reconstruction algorithms.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128619609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From Femtosecond Excited-State and Dissociation Dynamics to Nanosecond Reaction Kinetics: Following C-H Bond Activation with X-rays 从飞秒激发态和离解动力学到纳秒反应动力学:用x射线激活C-H键
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu1a.2
Raphael M. Jay, Ambar Banerjee, T. Leitner, R. Stefanuik, Ru-Pan Wang, Jessica Harich, E. Beale, V. Kabanova, A. Kahraman, A. Wach, D. Ozerov, C. Arrell, Philip J. M. Johnson, G. Smolentsev, T. Huthwelker, C. N. Borca, C. Cirelli, C. Bacellar, C. Milne, N. Huse, M. Odelius, P. Wernet
{"title":"From Femtosecond Excited-State and Dissociation Dynamics to Nanosecond Reaction Kinetics: Following C-H Bond Activation with X-rays","authors":"Raphael M. Jay, Ambar Banerjee, T. Leitner, R. Stefanuik, Ru-Pan Wang, Jessica Harich, E. Beale, V. Kabanova, A. Kahraman, A. Wach, D. Ozerov, C. Arrell, Philip J. M. Johnson, G. Smolentsev, T. Huthwelker, C. N. Borca, C. Cirelli, C. Bacellar, C. Milne, N. Huse, M. Odelius, P. Wernet","doi":"10.1364/up.2022.tu1a.2","DOIUrl":"https://doi.org/10.1364/up.2022.tu1a.2","url":null,"abstract":"Using ultrafast X-ray absorption spectroscopy, we observe how a rhodium carbonyl catalyst is formed on femtosecond timescales and reveal the decisive orbital interactions which facilitate the efficient cleavage of an alkane C-H bond from solution.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127164391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrafast non-adiabatic relaxation dynamics of furan theoretically addressed for tr-AttoXAFS 呋喃的超快非绝热弛豫动力学从理论上解决了tr-AttoXAFS
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w2b.7
K. M. Ziems, S. Severino, M. Reduzzi, A. Summers, H.-W. Sun, Yu-Hua Chien, J. Biegert, S. Gräfe
{"title":"Ultrafast non-adiabatic relaxation dynamics of furan theoretically addressed for tr-AttoXAFS","authors":"K. M. Ziems, S. Severino, M. Reduzzi, A. Summers, H.-W. Sun, Yu-Hua Chien, J. Biegert, S. Gräfe","doi":"10.1364/up.2022.w2b.7","DOIUrl":"https://doi.org/10.1364/up.2022.w2b.7","url":null,"abstract":"We employ a multi-physics approach comprised of on-the-fly surface hopping and various quantum chemical methods to examine the ultrafast relaxation dynamics of furan induced by a strong-field excitation and measured by attosecond carbon K-edge spectroscopy.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130127329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of Time of Flight Momentum Microscopy for Pump-Probe Experiments 泵-探针实验中飞行时间动量显微镜的优化
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.41
S. Chernov, J. Bakalis, A. Kunin, Zachary H. Withers, M. G. White, G. Schönhense, T. Allison
{"title":"Optimization of Time of Flight Momentum Microscopy for Pump-Probe Experiments","authors":"S. Chernov, J. Bakalis, A. Kunin, Zachary H. Withers, M. G. White, G. Schönhense, T. Allison","doi":"10.1364/up.2022.w4a.41","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.41","url":null,"abstract":"We study the applicability of momentum microscopy for pump-probe angle-resolved photoemission studies at high repetition rate. We discuss strategies for the mitigation of detector saturation and space charge to enable high-performance measurements.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"224 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130753578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phonon-induced valence-charge relocation in cubic BN observed by ultrafast x-ray diffraction 用超快x射线衍射观察立方氮化硼中声子诱导的价电荷重定位
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th2b.4
M. Woerner, S. Priyadarshi, I. Gonzalez-Vallejo, C. Hauf, K. Reimann, T. Elsaesser
{"title":"Phonon-induced valence-charge relocation in cubic BN observed by ultrafast x-ray diffraction","authors":"M. Woerner, S. Priyadarshi, I. Gonzalez-Vallejo, C. Hauf, K. Reimann, T. Elsaesser","doi":"10.1364/up.2022.th2b.4","DOIUrl":"https://doi.org/10.1364/up.2022.th2b.4","url":null,"abstract":"Femtosecond x-ray powder diffraction reveals the impact of zone-edge TA-phonon excitations on the valence-charge distribution in cubic BN. Transient charge-density maps show a spatial transfer of valence charge from the interstitial region onto boron and nitrogen atoms.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129308462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photon-Induced Near-Field Interaction in Ultrafast Low Energy Electron Microscopy 超快低能电子显微镜中光子诱导的近场相互作用
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu3a.5
A. Wöste, G. Hergert, M. Silies, Dong Wang, P. Gross, C. Lienau
{"title":"Photon-Induced Near-Field Interaction in Ultrafast Low Energy Electron Microscopy","authors":"A. Wöste, G. Hergert, M. Silies, Dong Wang, P. Gross, C. Lienau","doi":"10.1364/up.2022.tu3a.5","DOIUrl":"https://doi.org/10.1364/up.2022.tu3a.5","url":null,"abstract":"We report the first observation of optical near-field coupling to an ultrafast wavepacket of free, low-energy electrons. Transient optical near-fields, highly spatially confined around a nanometer-sized Yagi-Uda-antenna are probed in a point-projection-microscope with 30-fs resolution.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128832176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-pulse enabled coherent control of structural dynamics 结构动力学的双脉冲相干控制
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.20
Jiaoyang Zheng, G. Khalsa, N. Benedek, J. Moses
{"title":"Two-pulse enabled coherent control of structural dynamics","authors":"Jiaoyang Zheng, G. Khalsa, N. Benedek, J. Moses","doi":"10.1364/up.2022.w4a.20","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.20","url":null,"abstract":"We predict a new pathway for ultrafast coherent control of fully symmetric Raman phonons, allowing manipulation of sign, magnitude, and temporal response, enabled by the nonlinear lattice polarizability and a two-terahertz-pulse excitation sequence.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125397272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Femtosecond pulse engineering for bright solid-state quantum emitters 飞秒脉冲工程的明亮固体量子发射器
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th4a.25
G. Wilbur, A. Binai-Motlagh, A. Clarke, A. Ramachandran, N. Milson, J. Healey, S. O'Neal, D. Deppe, K. Hall
{"title":"Femtosecond pulse engineering for bright solid-state quantum emitters","authors":"G. Wilbur, A. Binai-Motlagh, A. Clarke, A. Ramachandran, N. Milson, J. Healey, S. O'Neal, D. Deppe, K. Hall","doi":"10.1364/up.2022.th4a.25","DOIUrl":"https://doi.org/10.1364/up.2022.th4a.25","url":null,"abstract":"For triggered single photon sources, resonant pumping of a quantum emitter is desired for maximal indistiguishability, but there is a need to reject the scattered pump light from the excitation laser. Here we offer a deterministic, robust scheme for initializing the quantum emitter with zero excitation light at the emission energy using general pulse shaping techniques.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125607354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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