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

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Formation of interlayer excitons in space and time 层间激子在时空上的形成
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.m2b.3
M. Reutzel, D. Schmitt, J. P. Bange, W. Bennecke, AbdulAziz AlMutairi, Giuseppe Meneghini, Kenji Watanabe, T. Taniguchi, D. Steil, D. Luke, S. Brem, R. Weitz, S. Steil, G. S. Matthijs Jansen, E. Malic, Stephan Hofmann, S. Mathias
{"title":"Formation of interlayer excitons in space and time","authors":"M. Reutzel, D. Schmitt, J. P. Bange, W. Bennecke, AbdulAziz AlMutairi, Giuseppe Meneghini, Kenji Watanabe, T. Taniguchi, D. Steil, D. Luke, S. Brem, R. Weitz, S. Steil, G. S. Matthijs Jansen, E. Malic, Stephan Hofmann, S. Mathias","doi":"10.1364/up.2022.m2b.3","DOIUrl":"https://doi.org/10.1364/up.2022.m2b.3","url":null,"abstract":"Excitons modulated by moiré superlattices are a unique model system to explore emergent quantum phases. Here, for the first time, we use time- and angle-resolved photoemission to present unprecedented insight onto the formation dynamics of interlayer excitons in TMD heterostructures with energy-, in-plane momentum, and femtosecond time-resolution.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"14 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":"115814347","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
The effect of methylation on the intersystem crossing dynamics of 2-thiouracil: Time-resolved photoelectron spectroscopy of 2-thiothymine 甲基化对2-硫脲嘧啶系统间交叉动力学的影响:2-硫胸胺的时间分辨光电子能谱
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.7
S. Ullrich, Abed Mohamadzade, Sarita Shrestha, Yingqi Qu
{"title":"The effect of methylation on the intersystem crossing dynamics of 2-thiouracil: Time-resolved photoelectron spectroscopy of 2-thiothymine","authors":"S. Ullrich, Abed Mohamadzade, Sarita Shrestha, Yingqi Qu","doi":"10.1364/up.2022.w4a.7","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.7","url":null,"abstract":"The ultrafast internal conversion (IC) and intersystem crossing (ISC) dynamics of 2-thiouracil (2TU) and 2-thiothymine (2TT) are studied with time-resolved photoelectron spectroscopy (TRPES) to investigate the effect of methylation on the deactivation mechanism.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"357 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":"132966784","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
Probing the Ultrafast Charge Carrier Dynamics in Mn-doped ZnO Nanoparticles mn掺杂ZnO纳米粒子的超快载流子动力学研究
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w4a.4
A. Kahraman, C. Bacellar, M. Nazari, A. Cannizzo, C. Milne
{"title":"Probing the Ultrafast Charge Carrier Dynamics in Mn-doped ZnO Nanoparticles","authors":"A. Kahraman, C. Bacellar, M. Nazari, A. Cannizzo, C. Milne","doi":"10.1364/up.2022.w4a.4","DOIUrl":"https://doi.org/10.1364/up.2022.w4a.4","url":null,"abstract":"Manganese doping of ZnO nanoparticles, by introducing midgap states, is a potential solution to overcome the limitations of rapid recombination of photogenerated carriers. Ultrafast transient anisotropy measurements uncover the trapping dynamics upon Mn doping.","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":"130777460","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
Time Resolve Investigation of the Evolution of Solvation Shell Following Photo-Induced Electron Removal from Halides 卤化物光致电子去除后溶剂化壳演化的时间解析研究
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.tu4a.27
Jaysree Pan, V. Markmann, A. Dohn, K. Haldrup
{"title":"Time Resolve Investigation of the Evolution of Solvation Shell Following Photo-Induced Electron Removal from Halides","authors":"Jaysree Pan, V. Markmann, A. Dohn, K. Haldrup","doi":"10.1364/up.2022.tu4a.27","DOIUrl":"https://doi.org/10.1364/up.2022.tu4a.27","url":null,"abstract":"The time-resolved evolution of the solvation shell following photo-induced removal of an electron from halide ions shows strong structural response of water as a solvent to the changes in the charge state of the solute.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"139 2 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":"128891146","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
Breaking the electronic-optical dynamics correspondence via non-perturbative nonlinearities in ultrafast plasmonics 利用超快等离子体中的非微扰非线性破坏电子-光学动力学对应
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w2a.5
A. Schirato, Giulia Crotti, Mychel G. Silva, Danielle C. Teles-Ferriera, C. Manzoni, R. Zaccaria, P. Laporta, A. M. de Paula, G. Cerullo, G. Valle
{"title":"Breaking the electronic-optical dynamics correspondence via non-perturbative nonlinearities in ultrafast plasmonics","authors":"A. Schirato, Giulia Crotti, Mychel G. Silva, Danielle C. Teles-Ferriera, C. Manzoni, R. Zaccaria, P. Laporta, A. M. de Paula, G. Cerullo, G. Valle","doi":"10.1364/up.2022.w2a.5","DOIUrl":"https://doi.org/10.1364/up.2022.w2a.5","url":null,"abstract":"We combine hot-electron dynamical modelling and ultrafast transient absorption spectroscopy to investigate the onset of non-perturbative effects of optical nonlinearities in plasmonic nanostructures, breaking the correspondence between dynamics of optical signal and photoexcited hot carriers.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"18 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":"133752640","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
Anisotropic Carrier Dynamics in Graphene Probed with Time- and Angle-Resolved Photoemission Spectroscopy 用时间和角度分辨光发射光谱探测石墨烯各向异性载流子动力学
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th4a.13
J. Bakalis, S. Chernov, A. Kunin, Ziling Li, Shuyu Cheng, R. Kawakami, Xu Du, M. G. White, G. Schönhense, T. Allison
{"title":"Anisotropic Carrier Dynamics in Graphene Probed with Time- and Angle-Resolved Photoemission Spectroscopy","authors":"J. Bakalis, S. Chernov, A. Kunin, Ziling Li, Shuyu Cheng, R. Kawakami, Xu Du, M. G. White, G. Schönhense, T. Allison","doi":"10.1364/up.2022.th4a.13","DOIUrl":"https://doi.org/10.1364/up.2022.th4a.13","url":null,"abstract":"We report measurements of pump polarization-dependent anisotropy of excited electrons in graphene using time-resolved ARPES. Despite very fast relaxation in energy, the initial anisotropic distributions in momentum space persist through multiple electron-electron and electron-phonon scatterings.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"30 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":"114799790","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
Fourier Transform Photothermal Spectroscopy Detected via AFM for Sub-Diffraction Limit White Light Spectroscopy 亚衍射极限白光光谱的AFM检测傅立叶变换光热光谱
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.m4a.2
Miriam Bohlmann Kunz, Zachary T. Armstrong, M. Zanni
{"title":"Fourier Transform Photothermal Spectroscopy Detected via AFM for Sub-Diffraction Limit White Light Spectroscopy","authors":"Miriam Bohlmann Kunz, Zachary T. Armstrong, M. Zanni","doi":"10.1364/up.2022.m4a.2","DOIUrl":"https://doi.org/10.1364/up.2022.m4a.2","url":null,"abstract":"We use an AOM pulse shaper and an AFM to measure absorption spectra with sub-diffraction limit spatial resolution. These experiments were done in the time-domain that utilize ultrafast white light pulses.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"7 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":"114937406","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
Non-integer High-Harmonic Generation from a Topological Insulator Surface 拓扑绝缘子表面的非整数高谐波产生
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.w2a.2
M. Meierhofer, C. Schmid, L. Weigl, P. Grössing, V. Junk, C. Gorini, S. Schlauderer, S. Ito, N. Hofmann, D. Afanasiev, J. Crewse, K. Kokh, O. Tereshchenko, J. Güdde, F. Evers, J. Wilhelm, K. Richter, U. Höfer, R. Huber
{"title":"Non-integer High-Harmonic Generation from a Topological Insulator Surface","authors":"M. Meierhofer, C. Schmid, L. Weigl, P. Grössing, V. Junk, C. Gorini, S. Schlauderer, S. Ito, N. Hofmann, D. Afanasiev, J. Crewse, K. Kokh, O. Tereshchenko, J. Güdde, F. Evers, J. Wilhelm, K. Richter, U. Höfer, R. Huber","doi":"10.1364/up.2022.w2a.2","DOIUrl":"https://doi.org/10.1364/up.2022.w2a.2","url":null,"abstract":"We selectively explore bulk-versus-surface high-harmonic generation in a topological insulator by tuning the driving frequency. Ballistic acceleration of Dirac currents manifests in continuously tunable non-integer harmonic orders and unique polarization fingerprints of the topological invariant.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"207 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":"123206363","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
Sub-10fs Photocurrent and Photoluminescence Action Spectroscopies of Organic Optoelectronic Devices Reveals Ultrafast Formation of Bound Excitonic States 有机光电器件的亚10fs光电流和光致发光作用光谱揭示了束缚激子态的超快形成
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th5a.2
Marios Maimaris, Allan J. Pettipher, Mohammed Azzouzi, D. Walke, Xijia Zheng, Andrei Gorodetsky, Yifan Dong, P. S. Tuladhar, Helder Crespo, J. Nelson, J. Tisch, A. Bakulin
{"title":"Sub-10fs Photocurrent and Photoluminescence Action Spectroscopies of Organic Optoelectronic Devices Reveals Ultrafast Formation of Bound Excitonic States","authors":"Marios Maimaris, Allan J. Pettipher, Mohammed Azzouzi, D. Walke, Xijia Zheng, Andrei Gorodetsky, Yifan Dong, P. S. Tuladhar, Helder Crespo, J. Nelson, J. Tisch, A. Bakulin","doi":"10.1364/up.2022.th5a.2","DOIUrl":"https://doi.org/10.1364/up.2022.th5a.2","url":null,"abstract":"We apply ultrafast pump-push-photocurrent and pump-push-photoluminescence spectroscopies to polyfluorene organic diode to track in time the bound exciton formation. ‘Cold’-excitons become bound within 10-fs while ‘hot’-excitons can dissociate spontaneously within 50-fs before acquiring bound character.","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":"126188478","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
On-Chip Carrier-Envelope Phase Scanner of Few-Cycle Oscillator Beams 片上载波包络相位扫描器的少周振荡波束
The International Conference on Ultrafast Phenomena (UP) 2022 Pub Date : 1900-01-01 DOI: 10.1364/up.2022.th1a.2
V. Hanus, Beatrix Fehér, Z. Pápa, J. Budai, Zilong Wang, Pallabi Paul, A. Szeghalmi, P. Dombi
{"title":"On-Chip Carrier-Envelope Phase Scanner of Few-Cycle Oscillator Beams","authors":"V. Hanus, Beatrix Fehér, Z. Pápa, J. Budai, Zilong Wang, Pallabi Paul, A. Szeghalmi, P. Dombi","doi":"10.1364/up.2022.th1a.2","DOIUrl":"https://doi.org/10.1364/up.2022.th1a.2","url":null,"abstract":"We performed an on-air measurement of CEP spatial distribution of focused few-cycle laser oscillator beam. The on-chip probe exploits the CEP sensitivity of electric currents in dielectrics exposed to the strong field.","PeriodicalId":258644,"journal":{"name":"The International Conference on Ultrafast Phenomena (UP) 2022","volume":"44 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":"124765188","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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