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Paul TjossemView profile

Professor

• Optics
• Atomic Physics
• Nonlinear Dynamics
• +4 more

Paul Tjossem is a Professor in the Physics Department at Grinnell College , specializing in experimental physics with a focus on electromagnetic phenomena, laser spectroscopy, and combustion diagnostics. His work bridges classical electromagnetism with modern optical measurement techniques. Current Research: Non-linear laser spectrometry, trace atom detection, and electromagnetic puzzles His research has produced significant publications spanning 1983-2019, with recent work on the candle seesaw resonance phenomenon (2019) and parametric feedback in coupled oscillators (2017). Earlier work explores photodissociation dynamics (1992), combustion diagnostics (1990-1991), and Rydberg state spectroscopy (1988-1989). Educational Background Postdoc (Molecular Physics), National Institute of Standards and Technology (1987-89) Ph.D. (Applied Physics), Cornell University (1987) M.S. (Applied Physics), Cornell University (1983) B.A. (Physics), Swarthmore College (1981) Student Collaborations V. Cornejo '98: Thomson's Jumping Ring K. Ni '09: Computed Tomography and the Radon Transform F. Friesen '10: FPGA applications E. C. Brost '10: Optimizing Thomson's Jumping Ring

• Radiochemistry
• Radioecology
• Actinide Chemistry
• +7 more

Thorsten Stumpf is a Professor and Director of the Institute of Resource Ecology at Helmholtz-Zentrum Dresden-Rossendorf (HZDR), with a joint professorship in Radiochemistry/Radioecology at Technische Universität Dresden. His work bridges fundamental chemistry and environmental safety in nuclear waste management. Research Interests: His research focuses on the molecular-level understanding of actinide and radionuclide behavior in the environment, including speciation, migration, and interaction with minerals, organic matter, and microorganisms. Key areas include radiochemistry, geochemistry, environmental chemistry, and nuclear waste disposal science. The recent publications reflect a strong trend in using advanced spectroscopic and synchrotron techniques (e.g., TRLFS, EXAFS, XRD) to study actinide speciation and redox behavior. Themes include bioassociation of radionuclides with plants and fungi, formation of actinide nanoparticles, and molecular interactions at mineral-water interfaces—critical for deep geological repository safety assessments. Scientific Awards: Fritz-Straßmann-Preis of the GDCh 'Fachgruppe Nuklearchemie' (2013) Advising and Grants: He has led significant research initiatives, including the Helmholtz-University Young Investigator Group and the Virtual Institute 'Advanced Solid – Aqueous Radiogeochemistry'. While specific students are not listed, his extensive publication record with multiple co-authors suggests active mentoring. His work is supported by Helmholtz Association funding and strategic collaborations. Labs and Teams: He leads the Institute of Resource Ecology at HZDR, which houses advanced laboratories for radiochemistry, spectroscopy, and environmental simulation. The institute is part of a larger network including CASUS and the Dresden High Magnetic Field Laboratory, enabling interdisciplinary research.

Elena del ValleView profile

Research Professor

• Quantum Optics
• Cavity-QED
• Light-Matter Interaction
• +2 more

Elena del Valle is a Research Professor at the Technical University of Munich and Universidad Autónoma de Madrid, specializing in Theoretical Condensed Matter Physics. As a Hans Fischer Fellow at TUM-IAS, her research focuses on quantum optics, light-matter interactions, and nanophotonics. Her work explores quantum light generation, including single-photon sources, N-photon bundles, and quantum correlations in cavity-QED systems. She investigates fundamental phenomena such as photon statistics, entanglement, and polariton dynamics in semiconductor nanostructures. Del Valle's research demonstrates strong trends in quantum emitter technologies and nanophotonic device applications, with publications frequently appearing in high-impact journals like Nature Photonics and Physical Review Letters. Her contributions advance quantum communication, sensing, and computing platforms. She has received numerous awards including the Excellence Award for University Professors (2020), Ramón y Cajal award (2014), and Humboldt Research Fellowship (2011). She supervises research in quantum optics and mentors students in nanophotonics. As Principal Investigator of multiple projects, she leads the 'Novel quantum-light sources' focus group at TUM-IAS, collaborating with experimental groups to develop next-generation quantum technologies.

Herb WinfulView profile

Professor

• Nonlinear Optics
• Laser Physics
• Quantum Tunneling
• +2 more

Herb Winful is a Professor of Optics at the University of Michigan's College of Engineering, Department of Electrical and Computer Engineering. He specializes in nonlinear optics, laser physics, quantum tunneling , and photonics , with a focus on phenomena like superluminal group velocities, frequency comb generation, and light storage via stimulated Brillouin scattering. Research areas span quantum tunneling times , nonlinear photonic materials , and coherent beam combining in fiber laser arrays. His work includes frequency comb spectroscopy using quantum-well diode lasers, ultrafast erbium fiber lasers , and negative group delay engineering in birefringent waveguides. The article list reveals expertise in supercontinuum generation , evanescent wave dynamics , photonic crystals , and nonlinear pulse manipulation . Key subfields include stimulated Brillouin/Raman scattering , parabolic similaritons , and time-domain modeling of optical systems. Award-winning scientific contributions include resolving the Hartman effect paradox and optimizing fiber laser arrays for high-power applications. His research bridges theoretical insights with practical innovations in optical engineering and quantum optics .

Vicki H. WysockiView profile

Professor

• Structural Biology
• Mass Spectrometry
• Proteomics
• +6 more

Vicki H. Wysocki is Professor and Chair at Georgia Institute of Technology, leading pioneering research in mass spectrometry and structural biology. Her work focuses on developing advanced techniques to study protein complexes, proteomics, and metabolomics, with her research group maintaining an active presence at major conferences including ASMS 2024 and preparations for ASMS 2025. Her educational background includes: B.S. in Chemistry from Western Kentucky University (1982) Ph.D. in Chemistry from Purdue University (1987) Postdoctoral research at Purdue University (1987) and National Research Council/Naval Research Lab (1988-1989) Dr. Wysocki's research spans four interconnected areas: (1) development of surface-induced dissociation (SID) on commercial mass spectrometry platforms; (2) native mass spectrometry-guided structural biology for studying large protein-protein complexes; (3) multi-omics approaches integrating proteomics and metabolomics with genomics for biomarker discovery; and (4) determination of peptide structures using IR action spectroscopy. Her work bridges analytical chemistry, biochemistry, and structural biology to address fundamental protein science questions. Analysis of her recent publications reveals a strong focus on advancing native mass spectrometry techniques, particularly surface-induced dissociation, for structural characterization of protein complexes. Her work increasingly integrates multi-omics approaches to study bacterial pathogenesis, with emphasis on Salmonella infection mechanisms, while also exploring innovative instrumentation development for structural biology applications. Dr. Wysocki has received numerous prestigious awards: 2022 Thomson Medal from the International Mass Spectrometry Foundation 2022 ACS Division of Analytical Chemistry Award 2017 ACS Field and Franklin Award for Outstanding Achievement in Mass Spectrometry 2016 OSU Excellence in Biochemistry Award 2009 Distinguished Contribution to Mass Spectrometry Award from ASMS She actively mentors numerous graduate students and postdoctoral researchers, with current lab members including Kristie Baker, Yuan Gao, and Philip Lacey. Her research is supported by multiple NIH grants, enabling cutting-edge instrumentation development and biological applications. The Wysocki Group maintains strong collaborations across disciplines, particularly in microbiology and structural biology. The Wysocki Research Group operates state-of-the-art mass spectrometry facilities at Georgia Tech, including specialized instrumentation for native mass spectrometry and surface-induced dissociation. The group actively develops new methodologies and maintains the website nativems.gatech.edu as a resource for the mass spectrometry community, demonstrating continued leadership at the intersection of technology development and biological discovery.

• Optical Physics
• Nanophotonics
• Light-Matter Interaction
• +5 more

Yi Yang serves as an Assistant Professor in the Department of Physics at The University of Hong Kong (HKU), Faculty of Science, joining the institution in 2022 as an HKU-100 Scholar. His academic journey includes foundational training at Peking University and advanced research at MIT. Education: Bachelor of Science (B.Sc.), Peking University Master of Science (M.Sc.), Peking University Doctor of Philosophy (Ph.D.), Massachusetts Institute of Technology (MIT) Professor Yang's research centers on optical physics and nanophotonics , specifically exploring light-matter interactions with free electrons and synthetic gauge fields. His pioneering work in non-Abelian physics bridges photonic and acoustic systems, while his investigations into free-electron radiation and topological photonics drive innovations in nanoscale electromagnetism. These efforts yield fundamental insights with applications in quantum simulation, novel light sources, and advanced materials engineering. Recent publications (2023-2024) reveal a pronounced focus on non-Abelian phenomena and synthetic gauge fields , evidenced by high-impact papers in Science and Nature . His work consistently integrates theoretical frameworks with experimental validation, establishing new paradigms in photonic flatband resonances and non-Hermitian systems. Scientific Awards: HKU-100 Scholar Professor Yang actively contributes to HKU's research ecosystem through graduate supervision and collaborative projects. While specific grant details aren't public, his publication trajectory indicates substantial research funding supporting his investigations into quantum photonics and nanoscale light-matter interactions. His laboratory operates within HKU's Department of Physics, leveraging specialized facilities in the Chong Yuet Ming Physics Building for experimental nanophotonics research and theoretical modeling of complex optical systems.

Cedrik MeierView profile

Professor

• Nanophotonics
• Plasmonics
• Metamaterials
• +3 more

Prof. Dr. Cedrik Meier is a faculty member at the University of Paderborn , affiliated with the Faculty of Natural Sciences and serving as the head of the Department of Physics . He holds the academic rank of Professor and chairs the Audit Committee. Education: Diplom in Physik, Ruhr-Universität Bochum (1998) Dr. rer. nat. in Experimentalphysik, Ruhr-Universität Bochum (2001) Habilitation, Universität Duisburg-Essen (2007) His research focuses on Nanophotonics , Plasmonics , Metamaterials , and Nonlinear Optics . The work involves developing novel photonic devices using nanofabrication techniques and materials like zinc oxide (ZnO) and silicon metasurfaces . Recent publications highlight advancements in third harmonic generation , correlated photon sources , and nonlinear optical effects in nanostructured materials. Key projects include TRR 142 (Tailor-Made Nonlinear Photonics) and studies on quantum dot positioning and liquid crystal-tunable devices . Scientific Awards: Golden Chalk for teaching physics (2016) Junge Kolleg, NRW Academy of Sciences (2007) Gottschalk-Diederich Baedeker Prize (2007) NanoFutur Award (2006) DFG Postdoc Fellowship (2003) Evangelical Study Association Villigst Scholarship (1998) He has led research groups at multiple institutions and currently oversees the Nanophotonics & Nanomaterials working group. His teaching includes Experimental Physics D and Lab Projects .

James SpeckView profile

Professor

• Solid State Lighting
• Wide Bandgap Semiconductors
• Gallium Nitride (GaN) Materials
• +7 more

James Speck serves as Professor in the Materials Department at the University of California, Santa Barbara's College of Engineering. He holds the Seoul Optodevice Distinguished Professorship of Solid State Lighting and maintains an active research laboratory focused on wide bandgap semiconductors. His work spans over 25 years of leadership in GaN-based semiconductor materials science at UCSB. Speck's research interests center on the relationship between epitaxial growth, microstructure, morphology, heterostructures, transport properties, and device performance in wide bandgap semiconductors. His group has made fundamental contributions to understanding growth mechanisms, defect generation, and the impact of threading dislocations in GaN systems. Over the past decade, his research has expanded to include binary oxides and emerging wide bandgap semiconductors like β-Ga 2 O 3 . His early work focused on epitaxial oxide films on semiconductors, ferroelectric thin films, and strain relaxation in highly mismatched epitaxial systems. The publication record demonstrates consistent research activity in III-nitride materials, with recent focus on semipolar and nonpolar orientations for improved device performance. His work spans fundamental materials science to practical device applications, particularly in solid-state lighting and laser technologies. The research shows particular emphasis on addressing efficiency limitations in LEDs and developing novel approaches for vertical-cavity surface-emitting lasers. Member of National Academy of Inventors IEEE Photonics Society Aron Kressel Award Materials Research Society (Inaugural Class) Japanese Journal of Applied Physics Best Paper Award Professor Speck has co-founded Soraa, a company commercializing GaN-based lighting technology. His research group has produced over 725 refereed publications, demonstrating extensive collaboration with colleagues including S. Nakamura and S.P. DenBaars. His work has received significant funding supporting fundamental materials research with applications in energy-efficient lighting and optoelectronic devices. The Speck group maintains active research facilities at UCSB focused on advanced semiconductor characterization and device development.

• Soft Robotics
• Microfluidics
• Nanofabrication
• +3 more

Ramses Martinez is an Assistant Professor in the Department of Industrial Engineering and Biomedical Engineering at Purdue University . He holds a B.A. in Applied Physics from Universidad Autonoma de Madrid (2004) and a Ph.D. in Physics and Materials Science from the Spanish National Research Council (CSIC) in 2009. Prior to joining Purdue, he conducted postdoctoral research in the lab of Prof. George M. Whitesides at Harvard University, focusing on nanofabrication, microfluidics, and soft robotics. Education B.A. in Applied Physics, Universidad Autonoma de Madrid (2004) Ph.D. in Physics and Materials Science, Spanish National Research Council (CSIC) (2009) His research bridges soft robotics , flexible electronics , and nanofabrication , with a focus on creating self-powered e-textiles , omniphobic paper-based devices , and programmable mechanical metamaterials . His work has led to over 25 publications and 9 patents, emphasizing practical applications in health monitoring and industrial automation . Notable projects include waterproof electronic decals for biofluid monitoring, smart bandages for chronic wound detection, and laser nanoforming methods for scalable metallic structures. His research has been recognized through the Fulbright Fellowship and the Marie Curie IOF Grant .

Qiang LiView profile

Professor

• Superconductivity
• Thermoelectrics
• Topological Quantum Materials
• +11 more

Qiang Li is a SUNY Empire Innovation Professor in the Department of Physics and Astronomy at Stony Brook University and holds a joint appointment at Brookhaven National Laboratory (BNL) as the leader of the Advanced Energy Materials Group. His roles span both research and academia, with a focus on quantum materials and their applications in energy and quantum information science. University: Stony Brook University Affiliations: Brookhaven National Laboratory, Department of Physics and Astronomy His research bridges fundamental and applied studies of topological quantum materials , superconductivity , thermoelectrics , and quantum information science . Key areas include synthesizing single crystals and thin films, exploring low-temperature transport properties, and developing scalable methods for superconducting and thermoelectric devices. Recent work highlights light-induced symmetry switching in Weyl semimetals and topological phase transitions. His publications emphasize quantum materials , particularly Dirac/Weyl semimetals , iron-based superconductors , and topological insulators , with techniques ranging from terahertz spectroscopy to phononic control of quantum states. Collaborations with institutions like Ames Laboratory and the University of Alabama at Birmingham are notable. Scientific Awards: Brookhaven Science and Technology Award (2019) R&D 100 Award for aFCL (2015) Fellow of American Physical Society (2013) New York State Leader in Superconductivity (2011) Qiang Li advises PhD students such as Pedro Lozano and leads the Quantum Materials Laboratory at Stony Brook, which integrates theory, AI-driven design, and experimental synthesis for quantum applications. His work is supported by the U.S. Department of Energy's Office of Basic Energy Science.

Igor Di MarcoView profile

Researcher

• Computational Physics
• Condensed Matter Theory
• Strongly Correlated Materials
• +5 more

Igor Di Marco is a Researcher at Uppsala University's Department of Physics and Astronomy, specializing in Materials Theory. He has maintained continuous research activity at Uppsala since 2009, initially as a postdoctoral fellow and subsequently as a researcher, with a temporary leave in 2017 to lead a group at the Asia-Pacific Center for Theoretical Physics in South Korea. Dr. Di Marco earned his PhD in condensed matter theory from Radboud University of Nijmegen in 2009. His academic trajectory has focused on computational approaches to understanding complex quantum materials, particularly those exhibiting strong electron correlations. His research centers on computational physics and condensed matter theory , with emphasis on developing methods to determine electronic and magnetic properties of strongly correlated materials . Dr. Di Marco is one of the principal developers of the all-electron DFT code RSPt (a Sweden-USA-France collaboration), which utilizes the full-potential linearized muffin-tin orbitals method. His expertise spans density-functional theory (DFT) , dynamical mean-field theory (DMFT) , and their integration (DFT+DMFT). Current research extends to X-ray absorption spectroscopy (XAS) and resonant inelastic X-ray scattering (RIXS) . Analysis of his recent publications reveals a consistent focus on electronic correlations in quantum materials, particularly in kagome metals, van der Waals magnets, and complex alloys. His work bridges theoretical method development with practical materials applications, frequently examining magnetic properties and electronic structure calculations across diverse material systems. Dr. Di Marco has made significant contributions to computational methodologies for strongly correlated electron systems, including the development of the DFT+DMFT framework within RSPt featuring full self-consistency over electron density and self-energy. His research projects have addressed magnetic properties of transition metals, excitation spectra of metal oxides, theoretical frameworks for lanthanides, and prediction of novel 2D materials.

• Nanophotonics
• Infrared Spectroscopy
• Metamaterials
• +4 more

Prof. Dr. Thomas Taubner serves as a Professor at the Institute of Physics within the Faculty of Mathematics, Computer Science and Natural Sciences at RWTH Aachen University. He leads the IR Nano-Optics and Metamaterials research group, operating from Campus Melaten (Physics Building 26, Room A 104). His team focuses on cutting-edge nanophotonic technologies with applications in infrared optics and reconfigurable optical systems. Taubner's research spans nanophotonics, infrared spectroscopy, metamaterials, and phase-change materials, with particular expertise in plasmonic phase-change materials like In 3 SbTe 2 . His group pioneers techniques for dynamic control of light at the nanoscale through near-field microscopy, beam steering, and thermal emission manipulation. Key areas include 2D material characterization, phonon polariton engineering, and ultrafast optical phenomena in semiconductor heterostructures. Analysis of his recent publications reveals a dominant focus on programmable infrared nanophotonics using plasmonic phase-change materials. His work consistently demonstrates reconfigurable optical devices through direct laser writing, geometric phase metasurfaces, and real-space imaging of confined electromagnetic waves. The research shows strong interdisciplinary connections between condensed matter physics, materials science, and optical engineering, with practical applications in thermal management, sensing, and next-generation optical computing. Prof. Taubner actively supervises doctoral and master's students, regularly advertising thesis positions and doctoral openings through his research group. His team maintains advanced laboratory facilities for nanofabrication, near-field optical characterization, and ultrafast spectroscopy, supporting both fundamental research and technology development in infrared nanooptics.

• AGN
• Galaxy surveys
• Radio interferometry
• +4 more

Professor Leah Morabito is a Professor (Research) - UKRI Future Leaders Fellow at Durham University, affiliated with the Department of Physics and the Institute for Computational Cosmology. She specializes in high-resolution imaging at low frequencies using the LOFAR telescope to study how supermassive black holes co-evolve with their host galaxies. As leader of the LOFAR Imaging of Resolved AGN (LIRA) group, she has made significant contributions to our understanding of active galactic nuclei and galaxy evolution through numerous high-impact publications. Professor Morabito's research primarily focuses on AGN physics, galaxy surveys, and radio interferometry. She has pioneered techniques for sub-arcsecond imaging at low radio frequencies, which has opened new windows for studying radio jets, galaxy evolution, and the interstellar medium. Her work reveals critical insights about AGN feedback mechanisms and the connection between supermassive black holes and their host galaxies across cosmic time. The analysis of her recent publications shows a strong emphasis on utilizing LOFAR's unique capabilities to study radio sources with unprecedented resolution at low frequencies. Scientific Recognition: UKRI Future Leaders Fellowship Professor Morabito actively mentors the next generation of astronomers, currently supervising PhD students Benite Tantely, Ciera Sargent, and Emmy Escott. Her research is supported by significant funding through her UKRI Future Leaders Fellowship and her role as co-Principal Investigator of the new LOFAR2.0 Large Programme, which extends her work on high-resolution low-frequency radio surveys. She has secured substantial research funding that enables cutting-edge observations and supports her research team. As leader of the LOFAR Imaging of Resolved AGN (LIRA) group, Professor Morabito oversees a collaborative research effort focused on advancing our understanding of how AGN help shape galaxy evolution. Her team utilizes unique high-resolution, low-frequency observations to study radio jets, AGN feedback mechanisms, and the connection between supermassive black holes and their host galaxies, contributing significantly to one of the most fundamental questions in modern astrophysics.

Roberto MerlinView profile

Professor

• Condensed Matter Physics
• Ultrafast Optical Techniques
• Raman Spectroscopy
• +4 more

Roberto Merlin is a Peter A. Franken Collegiate Professor of Physics and Professor of Electrical Engineering and Computer Science (EECS) at the University of Michigan. Born in Buenos Aires, Argentina, he earned an M.S. in 1973 from the University of Buenos Aires and a Ph.D. in 1978 from the University of Stuttgart under Manuel Cardona. After postdoctoral work at the University of Illinois, he joined the University of Michigan Physics faculty in 1980 and holds a joint appointment in EECS since 2000. He has held visiting positions at institutions including Max-Planck-Institut FKF, Hong Kong University of Science and Technology, and ETH Zurich. Merlin's research focuses on experimental condensed matter physics, particularly ultrafast optical techniques like spontaneous and impulsive Raman spectroscopy. His work spans coherent phonon dynamics, metamaterials for subwavelength focusing, and light-induced phase transitions in quantum materials. Recent publications address magnetophononics, phonon Bloch oscillations, and radiation-less interference in evanescent-field plates, reflecting his interdisciplinary interests in optics, quantum mechanics, and materials science. His scientific contributions have been recognized by fellowships from the American Physical Society (1996), Optical Society of America (2000), and Simons Foundation (2013), along with the Frank Isakson Prize (2006) and Ellis R. Lippincott Award (2017). He has served in leadership roles for APS committees and conference chairs, and his editorial work includes Physical Review Letters and Solid State Communications.

Wolfgang WindlView profile

Professor

• Computational Materials Science
• Atomistic Simulations
• Density-Functional Theory
• +5 more

Wolfgang Windl is a Professor in the Department of Materials Science and Engineering at The Ohio State University with a joint appointment in Physics. He co-founded Goniotech LLC and previously worked at Motorola as a Principal Staff Scientist. He holds a doctoral degree in physics from the University of Regensburg and completed postdoctoral research at Los Alamos National Laboratory and Arizona State University. His research specializes in computational materials science, focusing on: Atomistic simulations and density-functional theory Machine learning applications in materials design Semiconductor transport and layered materials (e.g., Dirac semimetals) Atom probe tomography and characterization techniques Analysis of his 15 most recent publications (2023-2025) reveals dominant themes: advanced simulations of field evaporation, topological quantum materials (PtTe 2 , PdTe 2 ), and computational frameworks for materials characterization. His work frequently integrates spectroscopy, tomography, and Bayesian methods to study alloys, 2D materials, and additive manufacturing defects. Awards and Honors Fraunhofer-Bessel Research Award (2006) Four Lumley Research Awards Boyer Award for Teaching Excellence (2015) Faculty Diversity Excellence Award (2020) Two Mars Fontana Best Teacher Awards (2006, 2015) ASEE Best Paper & Diversity Awards (2019) He advises 11+ graduate students (7 alumni, 5 current) and leads the Windl Group research team focused on computational materials modeling. His group develops simulation tools for atomic-scale characterization and collaborates with national laboratories.