Department of Physical Chemistry, Fritz Haber Institute of the MPG 

Lattice Dynamics Group

Alex Paarmann
· Home · Research · Publications · Members · Open positions · Contact ·
List of Publications
2018
Razdolski, I., N.C. Passler, C.R. Gubbin, C.J. Winta, R. Cernansky, F. Martini, A. Politi, S.A. Maier, M. Wolf, A. Paarmann, and S. De Liberato:
Second harmonic generation from strongly coupled localized and propagating phonon-polariton modes.
Phys. Rev. B 98, 125425 (2018), [doi: 10.1103/PhysRevB.98.125425].
Kiessling, R., W.B. Colson, S. Gewinner, W. Schöllkopf, M. Wolf, A. Paarmann:
Femtosecond single-shot timing and direct observation of subpulse formation in an infrared free-electron laser.
Phys. Rev. Accel. Beams 21, 080702 (2018), [doi: 10.1103/PhysRevAccelBeams.21.080702].
Kiessling, R., S. Gewinner, A. Paarmann, W. Schöllkopf, M. Wolf:
Synchronized Mid-Infrared Pulses at the Fritz Haber Institute IR-FEL.
In: Proc. of 38th International Free-Electron Laser Conference, Santa Fe, NM, USA, August 20-25, 2017, Paper MOP059;
JACoW, Geneva, CH (2018), [doi: 10.18429/JACoW-FEL2017-MOP059].
Porer, M., M. Fechner, E.M. Bothschafter, L. Rettig, M. Savoini, V. Esposito, J. Rittmann, M. Kubli, M.J. Neugebauer, E. Abreu, T. Kubacka, T. Huber, G. Lantz, S. Parchenko, S. Grübel, A. Paarmann, J. Noack, P. Beaud, G. Ingold, U. Aschauer, S.L. Johnson, and U. Staub:
Ultrafast Relaxation Dynamics of the Antiferrodistortive Phase in Ca Doped SrTiO3.
Phys. Rev. Lett. 121, 055701 (2018), [doi: 10.1103/PhysRevLett.121.055701].
Passler, N.C., C.R. Gubbin, T.G. Folland, I. Razdolski, D.S. Katzer, D.F. Storm, M. Wolf, S. De Liberato, J.D. Caldwell, and A. Paarmann:
Strong Coupling of Epsilon-Near-Zero Phonon Polaritons in Polar Dielectric Heterostructures.
Nano Lett. 18, 4285–4292 (2018), [doi: 10.1021/acs.nanolett.8b01273].
Maehrlein, S.F., I. Radu, P. Maldonado, A. Paarmann, M. Gensch, A.M. Kalashnikova, R.V. Pisarev, M. Wolf, P.M. Oppeneer, J. Barker, and T. Kampfrath:
Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation.
Sci. Adv. 4, eaar5164 (2018)
[doi: 10.1126/sciadv.aar5164].
Winta, C.J., S. Gewinner, W. Schöllkopf, M. Wolf, A. Paarmann:
Second-harmonic phonon spectroscopy of α-quartz.
Phys. Rev. B 97, 094108 (2018), [doi: 10.1103/PhysRevB.97.094108].
2017
Passler, N.C., A. Paarmann:
Generalized 4 × 4 matrix formalism for light propagation in anisotropic stratified media: study of surface phonon polaritons in polar dielectric heterostructures.
J. Opt. Soc. Am. B 34, 2128–2139 (2017), [doi: 10.1364/JOSAB.34.002128].
Passler, N.C., I. Razdolski, S. Gewinner, W. Schöllkopf, M. Wolf, and A. Paarmann:
Second-Harmonic Generation from Critically Coupled Surface Phonon Polaritons.
ACS Photonics 4, 1048–1053 (2017), [doi: 10.1021/acsphotonics.7b00118].
2016
Razdolski, I., Y. Chen, A.J. Giles, S. Gewinner, W. Schöllkopf, M. Hong, M. Wolf, V. Giannini, J.D. Caldwell, S.A. Maier, and A. Paarmann:
Resonant Enhancement of Second-Harmonic Generation in the Mid-Infrared Using Localized Surface Phonon Polaritons in Subdiffractional Nanostructures.
Nano Lett. 16, 6954–6959 (2016), [doi: 10.1021/acs.nanolett.6b03014].
A. Paarmann, I. Razdolski, S. Gewinner, W. Schöllkopf, and M. Wolf:
Effects of crystal anisotropy on optical phonon resonances in midinfrared second harmonic response of SiC.
Phys. Rev. B 94, 134312 (2016), [doi: 10.1103/PhysRevB.94.134312].
A. Paarmann, I. Razdolski, J. Caldwell, A. Giles, V. Giannini, S. Gewinner, W. Schoellkopf, S. Maier, and M. Wolf:
Mid-Infrared Second Harmonic Spectroscopy Probing Surface Phonon Polariton Localization in SiC Nanopillars.
In: Conference on Lasers and Electro-Optics, QELS_Fundamental Science 2016, San Jose (CA), 5–10 June 2016;
OSA Technical Digest (online) (Optical Society of America, 2016), paper FW1B.3., [doi: 10.1364/CLEO_QELS.2016.FW1B.3].
Winta, C.J., S. Gewinner, W. Schoellkopf, M. Wolf, and A. Paarmann:
Second Harmonic Phonon Spectroscopy of α-Quartz.
In: Conference on Lasers and Electro-Optics, QELS_Fundamental Science 2016, San Jose (CA), 5–10 June 2016;
OSA Technical Digest (online) (Optical Society of America, 2016), paper FTu4A.5., [doi: 10.1364/CLEO_QELS.2016.FTu4A.5].
2015
A. Paarmann, I. Razdolski, A. Melnikov, S. Gewinner, W. Schöllkopf, & M. Wolf::
Second harmonic generation spectroscopy in the Reststrahl band of SiC using an infrared free-electron laser.
Appl. Phys. Lett. 107, 081101 (2015), [doi: 10.1063/1.4929358].
W. Schöllkopf, S. Gewinner, H. Junkes, A. Paarmann, G. von Helden, H. Bluem, A.M.M. Todd:
The new IR and THz FEL facility at the Fritz Haber Institute in Berlin.
In: S.G. Biedron (ed.), Advances in X-ray Free-Electron Lasers Instrumentation III, Prague, Czech Republic, April 13, 2015.
Proc. SPIE 9512 (2015), [doi: 10.1117/12.2182284].
M. Müller, A. Paarmann & R. Ernstorfer:
Visualization of Photocurrents in Nanoobjects by Ultrafast Low-Energy Electron Point-Projection Imaging.
Ultrafast Phenomena XIX, Springer Proceedings in Physics 162, 667–670 (2015), [doi: 10.1007/978-3-319-13242-6_164].
2014
M. Müller, A. Paarmann & R. Ernstorfer:
Femtosecond electrons probing currents and atomic structure in nanomaterials.
Nature Communications 5, article no. 5292 (2014), [doi: 10.1038/ncomms6292].
2013
S. Lüneburg, M. Müller, A. Paarmann and R. Ernstorfer:
Microelectrode for energy and current control of nanotip field electron emitters.
Appl. Phys. Lett. 103, 213506 (2013), [doi: 10.1063/1.4831735].
E.M. Bothschafter, A. Paarmann, E.S. Zijlstra, N. Karpowicz, M.E. Garcia, R. Kienberger, and R. Ernstorfer:
Ultrafast Evolution of the Excited-State Potential Energy Surface of TiO2 Single Crystals Induced by Carrier Cooling.
Phys. Rev. Lett. 110, 067402 (2013), [doi: 10.1103/PhysRevLett.110.067402].
2012
A. Paarmann, M. Gulde, M. Müller, S. Schäfer, S. Schweda, M. Maiti, C. Xu, T. Hohage, F. Schenk, C. Ropers, and R. Ernstorfer:
Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study.
J. Appl. Phys. 112, 113109 (2012), [doi: 10.1063/1.4768204].
2011
A. Paarmann, M. Lima, R. Chelli, V.V. Volkov, R. Righini and R.J.D. Miller:
Excitonic effects in two-dimensional vibrational spectra of liquid formamide.
Phys. Chem. Chem. Phys. 13, 11351-11358 (2011), [doi: 10.1039/C0CP02961K].
2009
R.J.D. Miller, A. Paarmann, and V.I. Prokhorenko:
Diffractive Optics Based Four-Wave, Six-Wave, n-Wave Nonlinear Spectroscopy.
Acc. Chem. Res. 42, 1442-1451 (2009), [doi: 10.1021/ar900040f].
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Nonlinear response of vibrational excitons: Simulating the two-dimensional infrared spectrum of liquidwater.
J. Chem. Phys. 130, 204110, (2009), [doi: 10.1063/1.3139003].
(cited in the Virtual Journal of Ultrafast Science 8/6: Condensed Matter Physics / VJ abstract)
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Probing Intermolecular Couplings in Simulations of the Two-Dimensional Infrared Photon Echo Spectrum of Liquid Water.
In: P. Corkum, S. de Silvestri, K.A. Nelson, E. Riedle, R.W. Schoenlein (Eds.), Ultrafast Phenomena XVI: Proceedings of the 16th International Conference, Palazzo dei Congressi Stresa, Italy, June 9–13, 2008.
Springer Series in Chemical Physics, Vol. 92 (2009), pp. 469-471.
[ISBN: 978-3-540-95945-8 / doi: 10.1007/978-3-540-95946-5_152].
2008
A. Paarmann, T. Hayashi, S. Mukamel, and R. J. D. Miller:
Probing intermolecular couplings in liquid water with two-dimensional infrared photon echo spectroscopy.
J. Chem. Phys. 128, 191103, (2008), [doi: 10.1063/1.2919050].
(cited in the Virtual Journal of Ultrafast Science 8/6: Chemistry & Biophysics / VJ abstract)
D. Kraemer, M.L. Cowan, A. Paarmann, N. Huse, E.T.J. Nibbering, T. Elsaesser, and R.J.D. Miller:
Temperature dependence of the two-dimensional infrared spectrum of liquid H2O.
PNAS 105, 437442 (2008), [doi: 10.1073/pnas.0705792105].
2007
A. Paarmann, D. Kraemer, M.L. Cowan, N. Huse, M. Harb, B.D. Bruner, J.R. Dwyer, E.T.J. Nibbering, T. Elsaesser, and R.J.D. Miller:
2D-IR photon echo spectroscopy of liquid H2O - Combination of novel nanofluidics and diffractive optics deciphers ultrafast structural dynamics.
In: P. Corkum, D. Jonas, R.J.D. Miller, A.M. Weiner (Eds.), Ultrafast Phenomena XV, Springer Series in Chemical Physics 88,
Springer Series in Chemical Physics, Vol. 88 (2007), pp. 335-337.
[ISBN: 978-3-540-68779-5 / doi: 10.1007/978-3-540-68781-8_108].
2005
A. Paarmann, F. Guffarth, T. Warming, A. Hoffmann, D. Bimberg:
Local Phonon Modes in InAs/GaAs Quantum Dots.
In: J. Menéndez, C.G. Van de Walle (Eds.), Physics of Semiconductors: 27th International Conference on the Physics of Semiconductors, Flagstaff, Arizona, 26-30 July 2004,
AIP Conf. Proc. 772, 689-690 (2005), [doi: 10.1063/1.1994293].
Return to the top of the page