Pump-Probe Spectroscopy Professors and Supervisors

Sara M. Vaianaمشاهده پروفایل

دانشیار

Arizona State UniversityUnited States

Sara M. Vaiana serves as an Associate Professor in the Department of Physics at Arizona State University with additional affiliation at the Center for Biological Physics, where her work bridges physics, chemistry, and biological sciences to investigate fundamental protein behaviors. She received her Ph.D. in Physics from the University of Palermo, Italy, in 2004, establishing her foundation in soft matter physics applied to biological systems. Her research program centers on two critical biophysical domains: Conformational dynamics of intrinsically disordered proteins (IDPs) and their functional roles in biological processes Mechanisms driving liquid-liquid phase separation and amyloid protein aggregation in neurodegenerative diseases Dr. Vaiana's laboratory pioneers custom time-resolved pump-probe spectroscopy and multi-angle light scattering techniques to probe protein structure and self-assembly, operating through extensive collaborations with theoretical physics, biochemistry, and molecular biology research groups. No scientific awards were documented in the source material. She mentors graduate researchers through dissertation supervision (PHY 799) and research courses (PHY 792), supported by external funding for her experimental investigations into protein physics. Her laboratory functions as an interdisciplinary nexus within ASU's physics department, developing innovative optical instrumentation to address complex questions about protein behavior in health and disease contexts.

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Hermann Dürrمشاهده پروفایل

استاد

Uppsala UniversitySweden

Hermann Dürr is a Professor in the Department of Physics and Astronomy at Uppsala University, Sweden, affiliated with the FREIA facility. His research employs ultrashort (10 -15 sec) laser, x-ray, and electron spectroscopies to probe condensed matter systems, with emphasis on speed limits for magnetic/electronic switching in information technology materials. His primary research interests include: Ultrafast non-equilibrium and metastable states in condensed matter All-optical magnetic switching in ferrimagnets Insulator-metal transitions in correlated electron systems Ultrafast charge separation in photovoltaics Femtosecond soft x-ray and EUV spectroscopy techniques Relativistic electron pulses for structural dynamics Analysis of his 2024-2025 publications reveals dominant themes in ultrafast magnetism, particularly element-specific dynamics in FePt and Co/Pd systems using free electron lasers. Key methodologies include circularly polarized x-rays, spin-resolved spectroscopy, and nanoscale imaging of magnetic domain manipulation, with strong focus on non-thermal metastable states relevant to next-generation information storage. Professor Dürr maintains active collaborations with external research groups and industry partners to access advanced materials. His work is conducted through Uppsala University's FREIA facility, leveraging high-harmonic generation sources and free electron laser infrastructure for cutting-edge ultrafast experiments across condensed matter physics.

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Ralph Püttnerمشاهده پروفایل

پژوهشگر

Free University of BerlinGermany

Dr. Ralph Püttner serves as Project Director within the Weinelt Research Group at the Department of Physics, Free University of Berlin. His work focuses on advanced experimental condensed matter physics using synchrotron and free-electron laser facilities. Research spans topological materials (notably Sb 2 Te 2 S compounds), ultrafast electron dynamics , and Dirac cone spectroscopy . Key methodologies include time-resolved photoelectron spectroscopy, linear dichroism measurements, and pump-probe techniques at facilities like European XFEL. Current projects involve BMBF-funded DynaMaX and SpinR initiatives studying population/decay dynamics in quantum materials. As Project Director, Dr. Püttner leads experimental campaigns within Prof. Weinelt's group, managing technical operations for Ma-series teaching laboratories (Compton-effect, Auger spectroscopy, Solid-state Lasers). The group maintains strong collaborations with European XFEL GmbH and participates in large-scale international research infrastructure projects.

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Markus Münzenbergمشاهده پروفایل

استاد

University of GreifswaldGermany

Prof. Dr. Markus Münzenberg is a leading researcher at the Institute of Physics, University of Greifswald , focusing on ultrafast magnetism and THz spintronics . His work bridges quantum physics, nanotechnology, and interdisciplinary applications , including neuronal networks and topological systems. Research Focus: Ultrafast spin dynamics, THz spintronic emitters, magnetic skyrmions, spin-caloric transport, and 3D nanostructuring via laser lithography. Labs & Facilities: Equipped with metal MBE/sputtering, cleanroom lithography (Nanoscribe, e-beam), THz pump-probe setups, and Kerr microscopy for domain imaging. Publication Trends highlight expertise in femtosecond laser interactions , spin-orbit coupling , and topological magnetic phenomena . Key subfields include attosecond magnetism , neuromorphic computing , and bio-nano interfaces . Scientific Awards & Projects: ERC FET-Open SpinAge consortium DFG SPP2137 Skyrmionics program DAAD-PPP collaboration with Charles University Prague BMBF-funded ZIK-HIKE center for bio-nanomechanical systems Collaborations span institutions like MIT, Max Planck Institutes, TU Graz, and Kiel University, with emphasis on theoretical/experimental synergy in spin dynamics and quantum materials.

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Radu Dragomirمشاهده پروفایل

پژوهشگر

National Institute of Materials PhysicsRomania

Radu Dragomir is a Scientific Researcher at the National Institute of Materials Physics (NIMP) in Magurele, Romania, affiliated with the Laboratory of Theoretical Physics and Computational Modeling. His work bridges theoretical physics and computational modeling, focusing on quantum phenomena in nanoscale systems. His educational background includes: PhD in Theoretical Physics (2012–2016) from the University of Bucharest's Faculty of Physics, with a summa cum laude thesis on "Transport phenomena and exciton dynamics in optically active quantum dots" under Prof. Dr. Virgil Baran and Dr. Valeriu Moldoveanu. MSc in Computer Tomography (2009–2011) focusing on reconstruction algorithms. Undergraduate training at National Informatics College "Tudor Vianu" in mathematics and informatics. Dragomir's research centers on quantum transport , spin dynamics , and nanoelectromechanical systems , employing advanced methods like k.p theory and configuration interaction . His work reveals critical insights into spin-vibron coupling in single-molecule magnets, exciton dynamics in quantum dots, and quantum turnstile operations in NEMS. Key contributions include identifying Rabi oscillations as fingerprints of spin-vibron coupling and demonstrating how vibron-assisted transitions enable molecular spins to climb anisotropy barriers. Analysis of his 2014–2023 publications shows a consistent trajectory in quantum nanoscale physics, with increasing emphasis on hybrid quantum systems where mechanical, electronic, and spin degrees of freedom interact. His research has significant implications for quantum computing components and nanoscale sensor design. Scientific awards include: 2004: First mention (6th place) at National Physics Olympiad 2004: Qualification for IPHO training group 2004: 1st prize at National Physics Contest "Phi" 2004: 1st prize at Schwartz Physical Memorial Contest 2005: Mention (10th place) at National Physics Olympiad 2005: Qualification (5th place) for IPHO training group 2005: 2nd prize at Advertising Physics Contest No student advisement or grant information is documented in the provided materials. His current work within NIMP's Laboratory of Theoretical Physics and Computational Modeling involves collaborative projects on quantum transport simulations and spin dynamics modeling, often utilizing generalized master equation approaches for open quantum systems.

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Denis Akimovمشاهده پروفایل

پژوهشگر

Leibniz Institute of Photonic TechnologyGermany

Dr. Denis Akimov is a Researcher at the Leibniz Institute of Photonic Technology (Leibniz-IPHT) in Jena, Germany, working within the Research Department of Spectroscopy/Imaging and the Molecular Imaging working group. His email contact is denis.akimov@leibniz-ipht.de and his office is located in building HG, room S47. Dr. Akimov's research focuses on advanced optical imaging and spectroscopy techniques, with particular expertise in nonlinear optical microscopy. His work spans several key areas including coherent anti-Stokes Raman scattering (CARS), surface-enhanced spectroscopy, plasmonics, and ultrafast laser techniques. He has made significant contributions to the development of molecular imaging approaches for biomedical applications, especially in cancer diagnostics. Analysis of his publication record from 2015-2025 reveals a strong emphasis on plasmon-enhanced nonlinear optical techniques, particularly using specialized grating structures like azimuthally chirped gratings and plasmonic Doppler gratings. His research demonstrates how plasmonic nanostructures can enhance light-matter interactions across multiple frequencies, with applications spanning from fundamental molecular dynamics studies to practical biomedical imaging solutions. A notable trend is his focus on spatially resolved enhancement effects in nonlinear spectroscopy and the development of methods to suppress background signals for improved molecular specificity. Dr. Akimov has collaborated extensively with Jürgen Popp and other researchers at Leibniz-IPHT, contributing to numerous high-impact publications in journals such as Laser & Photonics Reviews, ACS Nano, and Nano Letters. His work bridges fundamental optical physics with practical biomedical applications, particularly in cancer diagnostics where his multimodal imaging approaches show promise for improving surgical decision-making.

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