جستجوی استاد راهنمای دانشگاهی

Zhi-Xun Shenمشاهده پروفایل

استاد

• Condensed Matter Physics
• Materials Science
• Superconductivity
• +۴ مورد دیگر

Zhi-Xun Shen is the Paul Pigott Professor in Physical Sciences at Stanford University, holding dual appointments in the Physics and Applied Physics Departments. He is a senior fellow at the Precourt Institute for Energy and serves on advisory boards for the Knight-Hennessy Scholars and Stanford Science Fellows programs. His research focuses on condensed matter and materials physics, particularly the electronic structures of superconductors, topological insulators, and novel materials. Dr. Shen pioneered advanced spectroscopic techniques, including photon-based imaging and scattering methods, and has authored over 600 publications with significant citation impact. His honors include the Kamerlingh Onnes Prize (2000), E.O. Lawrence Award (2010), and Oliver E. Buckley Prize (2011). He co-founded PrimeNano Inc., commercializing technologies from his lab, such as microwave impedance microscopy. His work bridges fundamental physics with energy-related applications, emphasizing the interplay between electronic structure and material properties. Dr. Shen’s research group explores cutting-edge topics like topological surface states, electron-phonon interactions, and superconductivity mechanisms. His inventions, such as non-resonance microwave imaging, have found applications in materials characterization. He remains active in advancing instrumentation and fostering interdisciplinary collaborations through his academic and industry roles.

Malte Oppermannمشاهده پروفایل

استاد

• Ultrafast spectroscopy
• Chiral dynamics
• Molecular dynamics
• +۴ مورد دیگر

Prof. Dr. Malte Oppermann is a full Professor at the University of Basel , leading the Ultrafast Chiral Dynamics Laboratory within the Department of Chemistry. His group specializes in developing cutting-edge time-resolved spectroscopic techniques to probe molecular transformations on femtosecond to microsecond timescales, focusing on chirality and structural dynamics in complex systems. Research Focus: Ultrafast Chiral Spectroscopy : Using circularly polarized laser pulses to resolve structural changes in chiral systems. Molecular Motors & Protein Dynamics : Capturing conformational changes in synthetic motors and proteins in native environments. Photoactive Materials : Investigating light-energy conversion mechanisms in chiral photochemical systems. His research bridges physics and chemistry, employing state-of-the-art laser technology and collaborating internationally across synthesis, spectroscopy, and theory. Publications & Impact: Prof. Oppermann’s work (2011–2025) spans ultrafast spectroscopy , chiral dynamics , nanomaterials , and biomolecular photophysics . Key themes include spin-crossover dynamics, DNA photodamage, and plasmonic nanoparticles, with techniques like transient X-ray absorption and deep-UV circular dichroism. Team & Opportunities: The group actively recruits MSc/PhD students and postdocs in physics, chemistry, and materials science. Interested candidates are encouraged to contact Prof. Oppermann directly.

• Nanophotonics
• Quantum Dots
• Optoelectronic Materials
• +۲ مورد دیگر

Dr. Rajesh Bera is a Research Fellow at ICFO's Functional Optoelectronic Nanomaterials group specializing in quantum-confined nanostructures. His research examines ultrafast carrier dynamics, excitonic properties, and optoelectronic applications of nanomaterials including quantum dots, nanoplatelets, and hybrid nanostructures. Current investigations focus on intraband transitions in doped nanocrystals, orientation-dependent excitonic behavior in 2D materials, and charge transfer mechanisms in heterostructure devices. Work bridges fundamental photophysics with applications in photodetection, sensing, and energy conversion. Recent publications demonstrate expertise in time-resolved spectroscopy of quantum materials, nanomaterial synthesis via colloidal chemistry, and rational design of optoelectronic devices. Continually develops novel characterization methods to probe ultrafast processes at nanoscale interfaces.

Farhan Ranaمشاهده پروفایل

استاد

• Semiconductor Optoelectronics
• Graphene and 2D Materials
• Terahertz Devices
• +۵ مورد دیگر

Farhan Rana is the Joseph P. Ripley Professor of Electrical and Computer Engineering at Cornell University. He earned his BS, MS, and PhD from MIT and leads the Semiconductor Optoelectronics Group at Cornell, focusing on graphene, 2D materials, and semiconductor nanostructures. His research bridges experimental condensed matter physics and optoelectronic device engineering. Current Research Focus Ultrafast Spectroscopy Terahertz Microphotonics Quantum Optics Plasmonics and Nanostructures His group specializes in graphene optoelectronics , terahertz devices , and ultrafast semiconductor lasers . Recent work explores valley-dependent optical phenomena, exciton dynamics, and plasmon-phonon interactions in 2D materials. Key trends in his publications include graphene plasmonics , MoS2 photodetectors , and terahertz spectroscopy . He has contributed to foundational studies on carrier relaxation in graphene and quantum cascade lasers . 3× Michael A. Tien Excellence in Teaching Award (2006, 2010, 2017) NSF Career Award (2004) DARPA Young Faculty Investigator (2008) IEEE 'Most Downloaded Paper' (2008) MRS Best Paper Ribbon (2004) His students have received prestigious fellowships and awards, with alumni like Jared Strait (National Defense Science Fellowship) and Haining Wang (Cornell Best PhD Thesis). The group actively mentors graduate and undergraduate researchers.

• Free-Electron Lasers
• Ultrafast X-ray Spectroscopy
• Nanoparticle Dynamics
• +۳ مورد دیگر

Christoph Bostedt holds dual appointments as a Professor of Physical Chemistry at the Ecole Polytechnique Fédérale de Lausanne (EPFL) and as Head of the Laboratory for Synchrotron Radiation and Femtochemistry (LSF) at the Paul Scherrer Institut (PSI). He leads strategic operations for the LSF, managing five research groups and overseeing four beamlines at the Swiss Light Source and the Alvra Endstation at SwissFEL. His research focuses on ultrafast x-ray science, including single-shot imaging, non-linear x-ray spectroscopy, and femtosecond pump-probe techniques. He collaborates globally on initiatives like the Athos project, aiming to advance ultrafast x-ray technologies. Bostedt has over 150 publications and is a Fellow of the American Physical Society, recipient of the Röntgen Prize. Education: Ph.D. from the University of Hamburg with research at Lawrence Livermore and Berkeley National Laboratories. Prior roles include leadership at Argonne National Laboratory and SLAC National Accelerator Laboratory. Research Interests: Single-particle imaging and coherent diffraction X-ray free-electron laser applications Ultrafast dynamics in nanoparticles and molecular systems Non-linear x-ray spectroscopy Time-resolved x-ray pump-probe methods Awards: Fellow of the American Physical Society Röntgen Prize (University of Giessen) Labs & Projects: Spearheads the Athos beamline project at SwissFEL, developing the Maloja endstation for ultrafast x-ray studies. Oversees the Laboratory for Femtochemistry and collaborates on advanced imaging techniques for nanoscale science.

• Ultrafast Phenomena
• Photoinduced Phase Transitions
• Spin-Crossover Materials
• +۷ مورد دیگر

Eric Collet is a University Professor and Head of Department at the Institute of Physics of Rennes (IPR), a joint research unit of CNRS and Université de Rennes. His work centers on ultrafast photoinduced phase transitions, spin-crossover materials, and the control of functional materials using light and THz excitation. He leads a dynamic research team and is deeply involved in international collaborations, particularly through the IM-LED International Laboratory with Japan. University: University of Rennes School: Institute of Physics of Rennes Department: Department of Materials and Light Academic Rank: Professor Email: eric.collet@univ-rennes.fr Professor Collet's research explores the ultrafast dynamics of molecular and condensed matter systems, especially those exhibiting multistability and photoresponsiveness. His work combines femtosecond optical and X-ray techniques to probe structural and electronic changes at atomic scales. Key areas include spin-crossover phenomena, photomagnetism, ferroelasticity, and nonlinear phononics. He investigates how light can trigger cooperative responses in materials, leading to persistent phase transitions with applications in photonics and memory devices. The recent publications of Eric Collet reveal a strong focus on ultrafast structural dynamics, photoinduced charge and spin transitions, and the coupling of electronic states with lattice distortions. His team frequently employs advanced X-ray methods at large-scale facilities like ESRF and LCLS. The research spans from fundamental quantum dynamics to applied materials science, with recurring themes in symmetry breaking, cooperative switching, and room-temperature photoresponse in molecular systems. Scientific awards and recognitions include: CNRS Silver Medal (2020) Louis Ancel Prize, French Physical Society Hot Paper selection in PCCP (2019) Very Important Paper recognition in Eur. J. Inorg. Chem. (2019) News & Views feature in Nature Chemistry (2020) Eric Collet actively mentors PhD students and postdoctoral researchers, and has supervised numerous publications in top journals. He has led major scientific initiatives such as the UCM2018 symposium and JMC2021 conference. His research is supported by grants from ANR, CNRS, and the Institut Universitaire de France. He collaborates extensively with institutions in France, Japan, and beyond. His research is conducted primarily within the Department of Materials and Light at the Institute of Physics of Rennes. He co-directs the IM-LED International Laboratory with Prof. Shin-ichi Ohkoshi (University of Tokyo) and collaborates with groups in Bordeaux, Lebanon, and Japan. His lab specializes in time-resolved X-ray diffraction, ultrafast spectroscopy, and nonlinear optical control of materials.

• Density Functional Theory
• Magnetism
• Chemical Bonding
• +۷ مورد دیگر

Olle Eriksson is a Professor in the Department of Physics and Astronomy at Uppsala University, specifically affiliated with the Materials Theory division. His research focuses on theoretical and computational approaches to understanding magnetic materials and their properties. His primary research interests include first principles calculations of bulk materials and surfaces, with particular emphasis on magnetism and chemical bonding. His methodological expertise spans full-potential implementations of density functional theory, dynamical mean-field theory, and self-interaction correction. He also conducts calculations of finite temperature magnetism using Monte Carlo simulations and atomistic spin-dynamics simulations, as well as investigations into lattice dynamics and finite temperature effects on phase stability. Professor Eriksson's recent work demonstrates a strong focus on magnetocaloric materials for magnetic refrigeration applications, two-dimensional magnetic materials including van der Waals magnets, topological magnetic textures such as skyrmions, and computational methods for improving density functional theory. His research has significant implications for energy-efficient cooling technologies, next-generation spintronic devices, and fundamental understanding of quantum magnetic phenomena. Materials Science : Magnetocaloric materials, battery materials, 2D materials Computational Physics : Density functional theory, Monte Carlo simulations, spin dynamics Magnetism : Topological textures, chiral magnets, ultrafast dynamics His extensive publication record shows consistent contributions to high-impact journals across physics and materials science, with a notable increase in interdisciplinary work connecting computational physics with materials design for energy applications.

Tom Allisonمشاهده پروفایل

استاد

• Ultrafast Laser Spectroscopy
• Frequency Comb Lasers
• Nonlinear Optics
• +۵ مورد دیگر

Professor Tom Allison leads an active research group at Stony Brook University focusing on ultrafast laser spectroscopy and nonlinear optics. His laboratory specializes in time- and angle-resolved photoemission spectroscopy (tr-ARPES) and frequency comb laser development for studying ultrafast dynamics in novel materials. His research interests center on understanding electron dynamics in two-dimensional materials, particularly graphene and transition metal dichalcogenides. Using sophisticated tr-ARPES instrumentation, his group investigates pseudospin dynamics, valley polarization, and exciton coupling with unprecedented momentum and energy resolution. The research bridges condensed matter physics, quantum materials, and ultrafast optical science. Professor Allison's recent publications demonstrate a strong focus on 2D materials physics, with particular attention to momentum-resolved phenomena in graphene and TMD heterostructures. His group combines cutting-edge experimental techniques with theoretical modeling to unravel complex ultrafast processes at the quantum level. Scientific Recognition: DOE Office of Science Highlight for work on valley polarization dynamics in monolayer WS2 NSF Major Research Instrumentation grant for developing high-power frequency combs Marie Skłodowskiej-Curie fellowship awarded to group member Grzegorz Professor Allison has successfully mentored multiple graduate students to completion of their degrees, including PhD candidates Jin Bakalis and Myles Silfies, and MS student Michael Wahl. His former postdoc Alice Kunin has secured an assistant professor position at Princeton University. Current research is supported by NSF funding for developing advanced frequency comb technology spanning from THz to soft x-ray regions.

• Quantum Nanophotonics
• Plasmonics
• Spintronics
• +۷ مورد دیگر

Maiken H. Mikkelsen is the James N. and Elizabeth H. Barton Associate Professor in the Department of Electrical and Computer Engineering at Duke University, with a joint appointment in the Department of Physics . Her research focuses on quantum nanophotonics , plasmonics , and light-matter interactions in nanoscale materials, aiming to advance optoelectronics, quantum science, and biomedical diagnostics. Education B.S. in Physics, University of Copenhagen (2004) Ph.D. in Physics, University of California, Santa Barbara (2009) Postdoctoral Fellowship, University of California, Berkeley Her work explores nanophotonic engineering for quantum optics , spintronics , and ultrafast optoelectronics , with recent studies on nonlinear metasurfaces and plasmonic enhancement of immunoassays for point-of-care diagnostics. Publications highlight 2D semiconductor emission control , ultrafast single-photon sources , and metasurface-based photodetectors . Scientific Awards Maria Goeppert Mayer Award (2017) NSF CAREER Award (2015) Moore Inventor Fellow (2021) ONR/Air Force/Army Young Investigator Awards (2015-2017) Cottrell Scholar (2016) Stansell Family Distinguished Research Award (2021) She advises graduate students in Duke’s Electrical & Computer Engineering and Physics programs and leads the Mikkelsen Lab , which emphasizes ultrafast spectroscopy and quantum material development . The lab has graduated PhD students like Eunso Shin and Hengming Li (2025).

Jacob Mackenzieمشاهده پروفایل

دانشیار

• Photonics
• Solid-State Lasers
• Waveguide Amplifiers
• +۷ مورد دیگر

Jacob Mackenzie is an Associate Professor at the University of Southampton's Faculty of Engineering and Physical Sciences , affiliated with the Optoelectronics Research Centre (ORC) and Zepler Institute. His work spans advanced laser physics and photonics, focusing on efficient solid-state systems via planar waveguide geometries and cryogenic cooling for power scaling. Research interests: Waveguide amplifiers, cryogenically cooled lasers, ultra-fast compact lasers Key applications: Materials processing, space-borne LIDAR, silicon photonics Research Themes include innovative gain media engineering, thermal management, and spectroscopic optimization. His group explores non-standard laser transitions to expand accessible wavelengths and power regimes in continuous-wave (CW) and pulsed configurations. Publications highlight advancements in resonant waveguide gratings, thermal performance metrics, high-repetition rate systems, and optical coating durability. These align with his leadership in high-power laser design and novel manufacturing techniques. Scientific Awards Royal Academy of Engineering Postdoctoral Fellow (2004) Senior Member of the Optical Society (OSA) PhD Supervision includes Isaac Brock, Georgia Mourkioti, and Sahar Alidousti. He also mentors postgraduate students through technical workshops and co-teaches Photonics II (ELEC3217) for undergraduates. External Roles encompass invited speaking (2020), journal reviewing (2021-2022), and chairing conferences like the 10TH EPS-QEOD EUROPHOTON CONFERENCE (2022).

• Theoretical Chemistry
• Quantum Chemistry
• Relativistic Effects
• +۷ مورد دیگر

Professor Kenneth Ruud is a leading expert in theoretical and computational chemistry at UiT The Arctic University of Norway. He serves as Director General of the Norwegian Defence Research Establishment and leads the Hylleraas Centre for Quantum Molecular Sciences. His research focuses on relativistic quantum chemistry, developing advanced ab initio methods for molecular property calculations, and integrating QM/MM and continuum solvent models. Education: PhD from University of Oslo (1998, supervised by Trygve Helgaker) Postdoc: University of San Diego with Peter Taylor (1998-2000) His work spans relativistic effects in molecular properties, vibronic coupling, and X-ray spectroscopy. He contributes to software development through programs like Dalton, Dirac, ReSpect, and OpenRSP. Recent publications highlight applications in spin-vibronic dynamics, heavy metal L/M-edge XAS, and topological materials. Key scientific contributions include relativistic DFT for nuclear spin-rotation constants, polarizable embedding models for vibrational spectra, and quantum dynamics frameworks. Awards recognize his impact through the Dirac Medal (2008) and multiple academy memberships. Elected to Norwegian Academy of Science and Letters Fellow of American Association for the Advancement of Science (AAAS) Foreign member of Finnish Academy of Science and Letters He actively participates in open science initiatives and serves on boards including Norges Forskningsråd and CAROS center for subsea robotics. Current projects involve quantum molecular science in extreme environments and computational protocol development.

• Photon Science
• X-ray Diffraction
• Femtosecond Laser Spectroscopy
• +۳ مورد دیگر

Jerome Hastings is a Research Professor at the Photon Science Directorate , Stanford University, and a Principal Investigator at the Stanford PULSE Institute. He is affiliated with the SLAC National Accelerator Laboratory and holds the academic rank of Research Professor (A.R.). His research focuses on advanced X-ray scattering techniques, femtosecond laser interactions, and high-energy-density material physics. Currently on leave from June 15, 2025, to September 15, 2025, Hastings has taught courses such as Advanced Topics in X-ray Scattering (APPPHYS 322) and Principles of X-ray Scattering (APPPHYS 222, PHOTON 222). Teaching : 2025-26: Advanced Topics in X-ray Scattering (Spr), Principles of X-ray Scattering (Win), Directed Studies (Aut/Wi/Spr), Research (Aut/Wi/Spr) Prior courses (2024-25, 2023-24) include similar offerings. Research Interests : His work explores the intersection of photon science and material dynamics, utilizing free-electron lasers to probe ultrafast structural changes, phonon hardening, and electronic responses in materials under extreme conditions. Key areas include X-ray diffraction , time-resolved spectroscopy , and high-intensity X-ray interactions . Publications : Hastings has contributed to 47 publications, with recent studies (2024) on supercooled liquid hydrogen crystallization and phonon hardening in laser-excited gold. Earlier works (2019-2016) address X-ray split-delay systems, photodissociation dynamics, and anomalous Compton scattering. Scientific Contributions : Notable projects include the development of compact X-ray diagnostics and phase-contrast imaging instruments at LCLS, enabling nanoscale temporal and spatial resolution for high-energy-density experiments. Students : He has advised doctoral candidates Arijit Majumdar, Chance Ornelas-Skarin, Madison Singleton, and Catherine Weibel. Contact : Academic email jerome.hastings@stanford.edu

Vineet Bhartiمشاهده پروفایل

پژوهشگر ارشد

• Quantum Engineering
• Quantum Physics
• Atomic Physics
• +۴ مورد دیگر

Dr. Vineet Bharti is a Senior Research Associate at the School of Physics, University of Bristol, with a focus on quantum engineering and ultrafast dynamics. He holds a BSc, MSc, and PhD, and is affiliated with the Quantum Engineering Technologies research group. Education: BSc, MSc, PhD Current Role: Senior Research Associate Research Focus: Quantum physics, ultrafast atomic interactions His work explores Rydberg atoms, electromagnetically induced transparency (EIT), coherent population trapping (CPT), and quantum many-body systems. Recent research includes ultrafast dynamics in optical lattices and polarization-dependent spectroscopy. Dr. Bharti’s publications highlight advancements in quantum optics and atomic physics. For detailed information on his projects, grants, and future research, refer to his full description below. He can be contacted via vineet.bharti@bristol.ac.uk or viewed on ORCID .

Rudolf Bratschitschمشاهده پروفایل

استاد

• Ultrafast quantum optics
• Solid state nanosystems
• Ultrafast magnetism
• +۶ مورد دیگر

Rudolf Bratschitsch is a Professor at the Physics Institute of the University of Münster, where he leads an active research group focused on ultrafast phenomena in solid-state nanosystems. His research spans multiple cutting-edge areas of condensed matter physics and nanotechnology with strong connections to international collaborators. His primary research interests include: Ultrafast quantum optics with solid state nanosystems Ultrafast magnetism and THz spectroscopy Ultrafast (magneto-)plasmonics Ultrafast spintronics Two-dimensional materials and transition metal dichalcogenides Spin-wave dynamics and magnonics Bratschitsch's recent publications demonstrate significant contributions to understanding exciton dynamics in 2D materials, spin-wave propagation in magnetic insulators like yttrium iron garnet (YIG), and quantum optical phenomena in hexagonal boron nitride. His work bridges fundamental physics with potential applications in quantum information processing and advanced optical technologies. His group has received substantial funding, including the Collaborative Research Center CRC 1459 'Intelligent Matter' which was extended for four years by the German Science Foundation in December 2024. They have also organized international conferences such as EDISON22 on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures. Bratschitsch mentors numerous students: PhD Students: Jannis Bensmann, Akhilesh Dubey, Vedhanth Senthiappan Vellaiappan Uthayasurian Master Students: Janne Oskar Becker, Ahmad El Kadri, Pabin Rai, Devika Sivankutty, Richard Sliwka Bachelor Students: Paul Großerhode, Sven Niehues His group has won several awards, including a poster prize for Master's student Janne Becker at the Münster Nanofabrication Facility Day 2024, highlighting the quality of research and training provided.

Stephen Bradforthمشاهده پروفایل

استاد

• Ultrafast Laser Spectroscopy
• Solar Energy Conversion
• DNA Photodamage Mechanisms
• +۷ مورد دیگر

Stephen Bradforth is a Professor of Chemistry at the University of Southern California and Senior Advisor to the Dean for Research Strategy and Development in the Dornsife College of Letters, Arts and Sciences . He earned his PhD in Physical Chemistry from the University of California, Berkeley (1992) and conducted postdoctoral research at the University of Chicago . B.A., Natural Sciences, Cambridge University (1987) Ph.D., Physical Chemistry, UC Berkeley (1992) Postdoctoral Associate, University of Chicago (1993–1996) His research focuses on ultrafast laser spectroscopy to study chemical reactions in complex environments like aqueous systems and molecular materials . Key projects include: Solar Energy Conversion : Investigating photosensitizers based on earth-abundant elements (Cu, Zn, Zr) and organic photovoltaics with BODIPY cores. DNA Photodamage : Mechanisms of cyclobutane pyrimidine dimer (CPD) formation under UV exposure, emphasizing base-stacking effects. Electronic Structure in Ethereal Solvents : Studying solvated electrons in liquid ammonia and their role in carbanion stabilization. His 15 most recent articles (2004–2024) highlight advancements in photoelectron spectroscopy , singlet fission for solar cells, and DNA damage pathways . Collaborations span medicine, physics, and engineering . Scientific Awards include the ACS Physical Chemistry Division Senior Experimental Award (2023) , STAR Awardee (2019) , Cottrell Scholar , and Fellow of APS and AAAS . He has received both Junior (2001) and Senior Raubenheimer Awards (2022) at USC. Advising has been a cornerstone, with 23 PhD students graduated and 4 current candidates. His 15 most recent publications (2012–2024) emphasize ultrafast dynamics , charge transfer mechanisms , and environmental photochemistry . Labs & Teams : The Bradforth Group operates advanced time-resolved photoelectron spectrometers , liquid microjet systems , and high-repetition-rate laser facilities . Current projects include metallic water solutions (Nature 2021), DNA photophysics (FASEB J 2011), and carbanion electronic structure in ammonia.