Publications

2022

"Pinning and gyration dynamics of magnetic vortices revealed by correlative Lorentz and bright-field imaging" openaccess
M. Möller, J. H. Gaida and C. Ropers
Phys. Rev. Research 4, 013027 (2022) [arXiv]

2021

"Ultrafast spot-profile LEED of a charge-density wave phase transition"  openaccess
G. Storeck, K. Rossnagel, and C. Ropers
Appl. Phys. Lett. 118(22), 221603 (2021)

"Integrated photonics enables continuous-beam electron phase modulation" openaccess
J.-W. Henke, A. S. Raja, A. Feist, G. Huang, G. Arend, Y. Yang, J. Kappert, R. N. Wang, M. Möller, J. Pan, J. Liu, O. Kfir, C. Ropers and T. J. Kippenberg
Nature 600, 653 (2021) [arXiv]

"Modulation of Cathodoluminescence Emission by Interference with External Light"
V. Di Giulio, O. Kfir, C. Ropers, F.J. García de Abajo
ACS Nano 15(4), 7290-7304 (2021) [arXiv]

"Tailored high-contrast attosecond electron pulses for coherent excitation and scattering"  openaccess
S. V. Yalunin, A. Feist, C. Ropers
Phys. Rev. Research 3, L032036 (2021) [arXiv]

"Optical coherence transfer mediated by free electrons"  openaccess
O. Kfir, V. Di Giulio, F. J. García de Abajo, C. Ropers
Sci. Adv. 7 (18), eabf6380 (2021) [arXiv]

"Ultrafast high-harmonic nanoscopy of magnetization dynamics"  openaccess
S. Zayko, O. Kfir, M. Heigl, M. Lohmann, M. Sivis, M. Albrecht, C. Ropers
Nat. Commun. 12, 6337 (2021) [arXiv]

"Observation of fluctuation-mediated picosecond nucleation of a topological phase"
F. Büttner,, B. Pfau, M. Böttcher, M. Schneider, G. Mercurio, C. M. Günther, P. Hessing, C. Klose, A. Wittmann, K. Gerlinger, L.-M. Kern, C. Strüber, C. von Korff Schmising, J. Fuchs, D. Engel, A. Churikova, S. Hu
Nat. Mater. 20, 30-37 (2021)

"Chiral high-harmonic generation and spectroscopy on solid surfaces using polarization-tailored strong fields"  openaccess
T. Heinrich, M. Taucer, O. Kfir, P. B. Corkum, A. Staudte, C. Ropers and M. Sivis
Nat. Commun. 12, 3723 (2021) [arXiv]

"Spontaneous and Stimulated Electron-Photon Interactions in Nanoscale Plasmonic Near Fields"  openaccess
M. Liebtrau, M. Sivis, A. Feist, H. Lourenço-Martins, N. Pazos-Pérez, R. A. Alvarez-Puebla, F. J. García de Abajo, A. Polman and C. Ropers
Light Sci. Appl. 10(82), (2021) [arXiv]

 "Ultrafast nanoimaging of the order parameter in a structural phase transition"
Th. Danz, T. Domröse, C. Ropers
Science 371, 371-374 (2021) [arXiv]

 

2020

"Toward Quantum Optics with Free Electrons"
K. Wang, R. Dahan, S. Nehemia, O. Reinhardt, S. Tsesses, I. Kaminer, O. Kfir, H. Lourenço-Martins, A. Feist, C. Ropers, T.J. Kippenberg
Opt Photonics News 31 (12), 35 (2020)

 "Strong-field nano-optics"
P. Dombi, Z. Pápa, J. Vogelsang, S. V. Yalunin, M. Sivis, G. Herink, S. Schäfer, P. Groß, C. Ropers, and C. Lienau
Rev. Mod. Phys. 92, 025003-1 (2020)

"Structure and Nonequilibrium Heat-Transfer of a Physisorbed Molecular Layer on Graphene"  openaccess
B. Wit, O. Bunjes, M. Wenderoth, C. Ropers
Adv. Mater. Interfaces 7, 2000473 (2020)

"A dynamical symmetry triad in high-harmonic generation revealed by attosecond recollision control"  openaccess
S. Zayko, O. Kfir, E. Bordo, A. Fleischer, O. Cohen, C. Ropers
New J. Phys. 22, 053017 (2020)

"Interlocked attosecond pulse trains in slightly bi-elliptical high harmonic generation"  openaccess
E. Bordo, O. Kfir, S. Zayko, O. Neufeld, A. Fleischer, C. Ropers, O. Cohen
J. Phys. Photonics 2, 034005 (2020)

"Nanoscale Nonlinear Spectroscopy with Electron Beams"
A. Konecná, V. Di Giulio, V. Mkhitaryan, C. Ropers, F. J. García de Abajo
ACS Photonics 7, 1290-1296 (2020) [arXiv]

 "Few-nm tracking of current-driven magnetic vortex orbits using ultrafast Lorentz microscopy"  openaccess
M. Möller, J. H. Gaida, S. Schäfer and C. Ropers
Commun. Phys. 3, 36 (2020) [arXiv]

"Density matrix reconstructions in ultrafast transmission electron microscopy: uniqueness, stability, and convergence rates"
C. Shi, C. Ropers, T. Hohage
Inverse Problems 36, 025005 (2020)

"Structural dynamics of incommensurate charge-density waves tracked by ultrafast low-energy electron diffraction"  openaccess
G. Storeck, J. G. Horstmann, T. Diekmann, S. Vogelgesang, G. von Witte, S. Yalunin, K. Rossnagel, C. Ropers
Struct. Dyn. 7, 034304 (2020)

"Controlling Photocurrent Channels in Scanning Tunneling Microscopy"  openaccess
B. Schröder, O. Bunjes, L. Wimmer, K. Kaiser, G. A. Traeger, T. Kotzott, C. Ropers, M. Wenderoth
New J. Phys. 22, 033047 (2020)

 "Controlling free electrons with optical whispering-gallery modes"
O. Kfir, H. Lourenço-Martins, G. Storeck, M. Sivis, T. R. Harvey, T. J. Kippenberg, A. Feist, C. Ropers
Nature 582, 46-49 (2020) [arXiv]

"Probing chirality with inelastic electron-light scattering"
T. R. Harvey, J.-W. Henke, O. Kfir, H. Lourenço-Martins, A. Feist, F. J. García de Abajo, C. Ropers
Nano Lett. 20, 4377-4383 (2020) [arXiv]

"High-purity free-electron momentum states prepared by three-dimensional optical phase modulation"
A. Feist, S. V. Yalunin, S. Schäfer, C. Ropers
Phys. Rev. Research 2, 043227 (2020) [arXiv]

 "Resonant excitation and all-optical switching of femtosecond soliton molecules"
F. Kurtz, C. Ropers and G. Herink
Nat. Photonics 14, 9-13 (2020) [PDF] [arXiv]

 "Coherent control of a surface structural phase transition"
J. G. Horstmann, H. Böckmann, B. Wit, F. Kurtz, G. Storeck and C. Ropers
Nature 583, 232-236 (2020) [arXiv]

2019

"Surface resonance of the (2x1) reconstructed lanthanum hexaboride (001)-cleavage plane: A combined STM and DFT study"
P. Buchsteiner, F. Sohn, J.G. Horstmann, J. Voigt, M. Ciomaga Hatnean, G. Balakrishnan, C. Ropers, P.E. Blöchl, M. Wenderoth
Phys. Rev. B 100, 205407 (2019) [arXiv]

"Holograms from electrons scattered by light"
C. Ropers
Nature 571, 331-332 (2019)

"Surface structure and stacking of the commensurate (sqrt(13) x sqrt(13))R13.9° charge density wave phase of 1T-TaS2(0001)"
G. von Witte, T. Kißlinger, J. G. Horstmann, K. Rossnagel, M. A. Schneider, C. Ropers, L. Hammer
Phys. Rev. B 100, 155407 (2019)

"Coulomb interactions in high-coherence femtosecond electron pulses from tip emitters"  openaccess
N. Bach, T. Domröse, A. Feist, T. Rittmann, S. Strauch, C. Ropers and S. Schäfer
Struct. Dyn. 6, 014301 (2019)

 

2018

"Structural dynamics probed by high-coherence electron pulses"
A. Feist, G. Storeck, S. Schaefer, and C. Ropers
MRS Bull. 43, 504-511 (2018)

 "Nanoscale mapping of ultrafast magnetization dynamics with femtosecond Lorentz microscopy"  openaccess
N. Rubiano da Silva, M. Moeller, A. Feist, H. Ulrichs, C. Ropers, and S. Schaefer
Phys. Rev. X 8, 031052 (2018) [arXiv]

"Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy"  openaccess
A. Feist, N. Rubiano da Silva, W. Liang, C. Ropers, S. Schaefer
Struct. Dyn. 5, 014302 (2018) [arXiv]

 "Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction"
S. Vogelgesang, G. Storeck, J. G. Horstmann, T. Diekmann, M. Sivis, S. Schramm, K. Rossnagel, S. Schaefer, C. Ropers
Nat. Phys. 14, 184 (2018) [arXiv]

 "Continuous-Wave Multiphoton Photoemission from Plasmonic Nanostars"  openaccess
M. Sivis, N. Pazos-Perez, R. Yu, R. Alvarez-Puebla, F. J. Garcia de Abajo, and C. Ropers
Commun. Phys. 1, 13 (2018)

 

2017

"Ultrafast transmission electron microscopy using a laser-driven field emitter: Femtosecond resolution with a high coherence electron beam"  openaccess
A. Feist, N. Bach, N. R. da Silva, Th. Danz, M. Moeller, K. E. Priebe, T. Domroese, J. G. Gatzmann, S. Rost, J. Schauss, S. Strauch, R. Bormann, M. Sivis, S. Schaefer, C. Ropers
Ultramicroscopy 176, 63-73 (2017) [arXiv]

"Light-Induced Metastable Magnetic Texture Uncovered by in situ Lorentz Microscopy"
T. Eggebrecht, M. Moeller, J. G. Gatzmann, N. Rubiano da Silva, A. Feist, U. Martens, H. Ulrichs, M. Muenzenberg, C. Ropers, S. Schaefer
Phys. Rev. Lett. 118, 097203 (2017)

"Real-time spectral interferometry probes the internal dynamics of femtosecond soliton molecules"
G. Herink, F. Kurtz, B. Jalali, D. R. Solli, C. Ropers
Science 356, 50-53 (2017)

"Phase space manipulation of free-electron pulses from metal nanotips using combined terahertz near fields and external biasing"
L. Wimmer, O. Karnbach, G. Herink, C. Ropers
Phys. Rev. B 95, 165416 (2017) [PDF]

"Nanotip-based photoelectron microgun for ultrafast LEED"  openaccess
G. Storeck, S. Vogelgesang, M. Sivis, S. Schaefer, C. Ropers
Struct. Dyn. 4, 044024 (2017) [PDF]

"Ultrafast sublattice pseudospin relaxation in graphene probed by polarization-resolved photoluminescence"
Th. Danz, A. Neff, J. H. Gaida, R. Bormann, C. Ropers, S. Schäfer
Phys. Rev. B 95, 241412 (2017) [arXiv]

"Tailored semiconductors for high-harmonic optoelectronics"
M. Sivis, M. Taucer, G. Vampa, K. Johnston, A. Staudte, A. Y. Naumov, D. M. Villeneuve, C. Ropers, P. B. Corkum
Science 357, 303-306 (2017)

"Clocking plasmon nanofocusing by THz near-field streaking"
L. Wimmer, B. Schroeder, M. Sivis, G. Herink, C. Ropers
Appl. Phys. Lett. 111, 131102 (2017)

 "Nanoscale magnetic imaging using circularly polarized high-harmonic radiation"
O. Kfir, S. Zayko, C. Nolte, M. Sivis, M. Moeller, B. Hebler, S. S. P. K. Arekapudi, D. Steil, S. Schaefer, M. Albrecht, O. Cohen, S. Mathias, C. Ropers
Sci. Adv. 3, eaao4641 (2017) [arXiv]

 "Attosecond electron pulse trains and quantum state reconstruction in ultrafast transmission electron microscopy"
K. E. Priebe, C. Rathje, S. V. Yalunin, T. Hohage, A. Feist, S. Schaefer, C. Ropers
Nat. Photonics 11, 793-797 (2017) [arXiv]

2016

"Polarization contrast of nanoscale waveguides in high harmonic imaging"  openaccess
S. Zayko, M. Sivis, S. Schaefer, C. Ropers
Optica 3, 239-242 (2016)

"Theory of electron energy loss near plasmonic wires, nanorods, and cones"
S. V. Yalunin, B. Schroeder, C. Ropers
Phys. Rev. B 93, 115408 (2016)

"Strong-field photoemission in nanotip near-fields: from quiver to sub-cycle electron dynamics"
K. E. Echternkamp, G. Herink, S. V. Yalunin, K. Rademann, S. Schaefer, C. Ropers
Appl. Phys. B 122, 1-10 (2016)

 "Resolving the build-up of femtosecond mode-locking with single-shot spectroscopy at 90 MHz frame rate"
G. Herink, B. Jalali, C. Ropers, D. R. Solli
Nat. Photonics 10, 321-326 (2016)

"Electrons catch a terahertz wave"
C. Ropers
Science 352, 410-411 (2016)

"Structural and magnetic characterization of large area, free-standing thin films of magnetic ion intercalated dichalcogenides Mn0.25TaS2 and Fe0.25TaS2"
Th. Danz, Q. Liu, X. D. Zhu, L. H. Wang, S. W. Cheong, I. Radu, C. Ropers, R. I. Tobey
J. Phys. Condens. Matter 28, 356002 (2016) [arXiv]

"Ramsey-type phase control of free-electron beams"
K. E. Echternkamp, A. Feist, S. Schaefer, C. Ropers
Nat. Phys. 12, 1000-1004 (2016)

"Dynamics and Structure of Monolayer Polymer Crystallites on Graphene"
M. Gulde, A. N. Rissanou, V. Harmandaris, M. Mueller, S. Schaefer, C. Ropers
Nano Lett. 16, 6994-7000 (2016)

 

2015

"Ultrafast Nano-Focusing for Imaging and Spectroscopy with Electrons and Light"
C. Lienau, M. Raschke, and C. Ropers
Attosecond Nanophysics: From Basic Science to Applications, Wiley-VCH, , pp. 281-324 (2015)

"Toroidal grating astigmatism of high-harmonics characterized by EUV Hartmann sensor"  openaccess
T. Mey, S. Zayko, C. Ropers, B. Schaefer, K. Mann
Opt. Express 23, 15310-15315 (2015)

"Optical field emission from resonant gold nanorods driven by femtosecond mid-infrared pulses"  openaccess
F. Kusa, K. E. Echternkamp, G. Herink, C. Ropers, S. Ashihara
AIP Advances 5, 077138 (2015)

"Coherent diffractive imaging beyond the projection approximation: waveguiding at extreme ultraviolet wavelengths"  openaccess
S. Zayko, E. Moennich, M. Sivis, D.-D. Mai, T. Salditt, S. Schaefer, C. Ropers
Opt. Express 23, 19911-19921 (2015)

"Real-space imaging of nanotip plasmons using electron energy loss spectroscopy"
B. Schroeder, T. Weber, S. V. Yalunin, T. Kiel, C. Matyssek, M. Sivis, S. Schaefer, F. von Cube, S. Irsen, K. Busch, C. Ropers, S. Linden
Phys. Rev. B 92, 085411 (2015)

"An ultrafast electron microscope gun driven by two-photon photoemission from a nanotip cathode"
R. Bormann, S. Strauch, S. Schaefer, C. Ropers
J. Appl. Phys. 118, 173105 (2015)

"An ultrafast nanotip electron gun triggered by grating-coupled surface plasmons"
B. Schroeder, M. Sivis, R. Bormann, S. Schaefer, C. Ropers
Appl. Phys. Lett. 107, 231105 (2015)

 "Quantum coherent optical phase modulation in an ultrafast transmission electron microscope"
A. Feist, K. E. Echternkamp, J. Schauss, S. V. Yalunin, S. Schaefer, C. Ropers
Nature 521, 200-203 (2015)

 

2014

"Terahertz control of nanotip photoemission"
L. Wimmer, G. Herink, D. R. Solli, S. V. Yalunin, K. E. Echternkamp, C. Ropers
Nat. Phys. 10, 432-436 (2014)

"Ultrafast low-energy electron diffraction in transmission resolves polymer/graphene superstructure dynamics"
M. Gulde, S. Schweda, G. Storeck, M. Maiti, H. K. Yu, A. M. Wodtke, S. Schaefer, C. Ropers
Science 345, 200-204 (2014)

"Chemical Vapor Deposition of Graphene on a ''Peeled-Off'' Epitaxial Cu(111) Foil: A Simple Approach to Improved Properties"
H. K. Yu, K. Balasubramanian, K. Kim, J.-L. Lee, M. Maiti, C. Ropers, J. Krieg, K. Kern, A. M. Wodtke
ACS Nano 8, 8636-8643 (2014)

"Field emission at terahertz frequencies: AC-tunneling and ultrafast carrier dynamics"
G. Herink, L. Wimmer, C. Ropers
New J. Phys. 16, 123005 (2014)

 

2013

"Field localization and rescattering in tip-enhanced photoemission"
S. V. Yalunin, G. Herink, D. R. Solli, M. Krueger, P. Hommelhoff, M. Diehn, A. Munk, C. Ropers
Ann. Phys. 525, L12-L18 (2013)

"Measuring single-shot modulation instability and supercontinuum spectra at megahertz rates"
D. R. Solli, C. Ropers, B. Jalali
Nonlinearity 26, R85-R92 (2013)

"Rogue events and noise shaping in nonlinear silicon photonics"
P. T. S. DeVore, D. R. Solli, D. Borlaug, C. Ropers, B. Jalali
J. Opt. 15, 064001 (2013)

 "Extreme-ultraviolet light generation in plasmonic nanostructures"
M. Sivis, M. Duwe, B. Abel, C. Ropers
Nat. Phys. 9, 304-309 (2013)

"Generation and Bistability of a Waveguide Nanoplasma Observed by Enhanced Extreme-Ultraviolet Fluorescence"
M. Sivis, C. Ropers
Phys. Rev. Lett. 111, 085001 (2013)

 

2012

"Stimulated supercontinuum generation extends broadening limits in silicon"
P. T. S. DeVore, D. R. Solli, C. Ropers, P. Koonath, B. Jalali
Appl. Phys. Lett. 100, 101111 (2012)

 "Field-driven photoemission from nanostructures quenches the quiver motion"
G. Herink, D. R. Solli, M. Gulde, C. Ropers
Nature 483, 190-193 (2012)

"Nanostructure-enhanced atomic line emission"
M. Sivis, M. Duwe, B. Abel, C. Ropers
Nature 485, E1-E2 (2012)

 "Fluctuations and correlations in modulation instability"
D. R. Solli, G. Herink, B. Jalali, C. Ropers
Nat. Photonics 6, 463-468 (2012)

"Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study"
A. Paarmann, M. Gulde, M. Mueller, S. Schaefer, S. Schweda, M. Maiti, C. Xu, T. Hohage, F. Schenk, C. Ropers, R. Ernstorfer
J. Appl. Phys. 112, 113109 (2012)

 

2011

"Ultrafast nonequilibrium carrier dynamics in a single graphene layer"
M. Breusing, S. Kuehn, T. Winzer, E. Malic, F. Milde, N. Severin, J. P. Rabe, C. Ropers, A. Knorr, T. Elsaesser
Phys. Rev. B 83, 153410 (2011) [PDF]

"Strong-field photoemission from surfaces: Theoretical approaches"
S. V. Yalunin, M. Gulde, C. Ropers
Phys. Rev. B 84, 195426 (2011) [PDF]

 

2010

"Near-Field Localization in Plasmonic Superfocusing: A Nanoemitter on a Tip"
C. C. Neacsu, S. Berweger, R. L. Olmon, L. V. Saraf, C. Ropers, M. B. Raschke
Nano Lett. 10, 592-596 (2010)

"Confined electron emission with femtosecond timing: nonlinearity, localization, enhancement"
M. Gulde, R. Bormann, A. Weismann, S. Yalunin, and C. Ropers
SPIE 7600, 76001 (2010)

"Rogue waves - towards a unifying concept?: Discussions and debates"
V. Ruban, Y. Kodama, M. Ruderman, J. Dudley, R. Grimshaw, P. V. E. McClintock, M. Onorato, C. Kharif, E. Pelinovsky, T. Soomere, G. Lindgren, N. Akhmediev, A. Slunyaev, D. Solli, C. Ropers, B. Jalali,
Eur. Phys. J. Spec. Top. 185, 5-15 (2010)

"Rare frustration of optical supercontinuum generation"
D. R. Solli, C. Ropers, B. Jalali
Appl. Phys. Lett. 96, 151108 (2010)

"Real-time measurements, rare events and photon economics"
B. Jalali, D. R. Solli, K. Goda, K. Tsia, C. Ropers
Eur. Phys. J. Spec. Top. 185, 145-157 (2010)

"Tip-Enhanced Strong-Field Photoemission"
R. Bormann, M. Gulde, A. Weismann, S. V. Yalunin, C. Ropers
Phys. Rev. Lett. 105, 147601 (2010) [PDF]

"Seeded Supercontinuum Generation with Optical Parametric Down-Conversion"
D. R. Solli, B. Jalali, C. Ropers
Phys. Rev. Lett. 105, 233902 (2010) [PDF]

 

2009

"Nano-Confined Light and Electron Sources Driven by Few-Cycle Optical Pulses"
C. Neacsu, C. Ropers, T. Elsaesser, M. Albrecht, M.B. Raschke, and C. Lienau
Ultrafast Phenomena XVI, 708 (2009)

"Ultra-fast nano-optics"
P. Vasa, C. Ropers, R. Pomraenke, C. Lienau
Laser Photonics Rev. 3, 483-507 (2009)

"Ultrafast Carrier Dynamics in Graphite"
M. Breusing, C. Ropers, T. Elsaesser
Phys. Rev. Lett. 102, 086809 (2009) [PDF]

 

2008

"Broadband optical near-field microscope for nanoscale absorption spectroscopy of organic materials"
R. Pomraenke, C. Ropers, J. Renard, C. Lienau, L. Luer, D. Polli, G. Cerullo
J. Microsc. 229, 197-202 (2008)

"Light confinement at ultrasharp metallic tips"
C. Ropers, C. C. Neacsu, M. B. Raschke, M. Albrecht, C. Lienau, T. Elsaesser
Jpn. J. Appl. Phys. 47, 6051-6054 (2008)

"Near-to-far-field spectral evolution in a plasmonic crystal: Experimental verification of the equipartition of diffraction orders"
D. J. Park, K. G. Lee, H. W. Kihm, Y. M. Byun, D. S. Kim, C. Ropers, C. Lienau, J. H. Kang, Q.-H. Park
Appl. Phys. Lett. 93, 073109 (2008)

"Active Control of Rogue Waves for Stimulated Supercontinuum Generation"
D. R. Solli, C. Ropers, B. Jalali
Phys. Rev. Lett. 101, 233902 (2008) [PDF]

 

2007

"A Nanometer-sized Femtosecond Electron Source at 80 MHz Repetition Rate"
C. Ropers, D. R. Solli, C.-P. Schulz, C. Lienau, and T. Elsässer
Ultrafast Phenomena XV, (2007) ; invited

"Atomic scale structure and optical emission of AlxGa1-xAs/GaAs quantum wells"
C. Ropers, M. Wenderoth, L. Winking, T. C. G. Reusch, M. Erdmann, R. G. Ulbrich, M. Grochol, F. Grosse, R. Zimmermann, S. Malzer, G. H. Doehler
Phys. Rev. B 75, 115317 (2007)

"Structural phase contrast in polycrystalline organic semiconductor films observed by broadband near-field optical spectroscopy"
R. Pomraenke, C. Ropers, J. Renard, C. Lienau, L. Luer, D. Polli, G. Cerullo
Nano Lett. 7, 998-1002 (2007)

"Fabry-Perot tuning of the band-gap polarity in plasmonic crystals"
J. E. Kihm, Y. C. Yoon, D. J. Park, Y. H. Ahn, C. Ropers, C. Lienau, J. Kim, Q. H. Park, D. S. Kim
Phys. Rev. B 75, 035414 (2007)

"Vector field microscopic imaging of light"
K. G. Lee, H. W. Kihm, J. E. Kihm, W. J. Choi, H. Kim, C. Ropers, D. J. Park, Y. C. Yoon, S. B. Choi, D. H. Woo, J. Kim, B. Lee, Q. H. Park, C. Lienau, D. S. Kim
Nat. Photonics 1, 53-56 (2007)

"Grating-coupling of surface plasmons onto metallic tips: A nanoconfined light source"
C. Ropers, C. C. Neacsu, T. Elsaesser, M. Albrecht, M. B. Raschke, C. Lienau
Nano Lett. 7, 2784-2788 (2007) ; see also Nat. Photonics 1, 568 (2007)

"Localized multiphoton emission of femtosecond electron pulses from metal nanotips"
C. Ropers, D. R. Solli, C. P. Schulz, C. Lienau, T. Elsaesser
Phys. Rev. Lett. 98, 043907 (2007) [PDF] ; see also Nature 446, 500 (2007)

"Ultrafast optical excitations of metallic nanostructures: from light confinement to a novel electron source"
C. Ropers, T. Elsaesser, G. Cerullo, M. Zavelani-Rossi, C. Lienau
New J. Phys. 9, 397 (2007)

 "Optical rogue waves"
D. R. Solli, C. Ropers, P. Koonath, B. Jalali
Nature 450, 1054 (2007)

 

2006

"Ultrafast dynamics of surface plasmon polaritons in plasmonic metamaterials"
C. Ropers, G. Stibenz, G. Steinmeyer, R. Mueller, D. J. Park, K. G. Lee, J. E. Kihm, J. Kim, Q. H. Park, D. S. Kim, C. Lienau
Appl. Phys. B 84, 183-189 (2006)

"Diamagnetic shift of disorder-localized excitons in narrow GaAs/AlGaAs quantum wells"
M. Erdmann, C. Ropers, M. Wenderoth, R. G. Ulbrich, S. Malzer, G. H. Doehler
Phys. Rev. B 74, 125412 (2006)

"Observation of deep level defects within the waveguide of red-emitting high-power diode lasers"
C. Ropers, T. Tien, C. Lienau, J. Tomm, P. Brick, N. Linder, B. Mayer, M. Muller, S. Tautz, W. Schmid
Appl. Phys. Lett. 88, 133513 (2006)

"Advanced methods for the characterization of few-cycle light pulses: a comparison"
G. Stibenz, C. Ropers, C. Lienau, C. Warmuth, A. Wyatt, I. Walmsley, G. Steinmeyer
Appl. Phys. B 83, 511-519 (2006)

 

2005

"Femtosecond light transmission and subradiant damping in plasmonic crystals"
C. Ropers, D. Park, G. Stibenz, G. Steinmeyer, J. Kim, D. Kim, C. Lienau
Phys. Rev. Lett. 94, 113901 (2005) [PDF]

"Lichtmanipulation in plasmonischen Kristallen"
C. Ropers, G. Steinmeyer, and C. Lienau
Phys. Unserer Zeit 36, 111 (2005)

"Ultrafast dynamics of light transmission through plasmonic crystals"
C. Ropers, R. Müller, C. Lienau, G. Stibenz, G. Steinmeyer, D. J. Park, Y. C. Yoon, and D. S. Kim
Ultrafast Phenomena XIV, (2005) ; invited

"Ultrafast dynamics and near-field optics of light transmission through plasmonic crystals"
C. Lienau, C. Ropers, G. Stibenz, G. Steinmeyer, R. Müller, D. J. Park, K. G. Lee, J. Kim, Q. H. Park, and D. S. Kim
SPIE 5825, 54 (2005)

 

2004

"Femtosecond light pulse propagation through metallic nanohole arrays: The role of the dielectric substrate"  openaccess
R. Mueller, C. Ropers, C. Lienau
Opt. Express 12, 5067-5081 (2004)

 

2003

"Demonstration of superluminal effects in an absorptionless, nonreflective system"
D. Solli, C. McCormick, C. Ropers, J. Morehead, R. Chiao, J. Hickmann
Phys. Rev. Lett. 91, 143906 (2003) [PDF]

 

2002

"Faster-than-light propagations and their applications"
R.Y. Chiao, C. Ropers, D. Solli, and J.M. Hickmann
Coherence and Quantum Optics VIII, 109 (2002)

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