Publications of Alexander Paarmann

All genres

Journal Article (46)

2013

Journal Article

Bothschafter, Elisabeth, Alexander Paarmann, Nicholas Karpowicz, E.S. Zijlstra, M.E. Garcia, F. Krausz, Reinhard Kienberger and Ralph Ernstorfer: Interband excitation and carrier relaxation as displacive driving force for coherent phonons.

MPG.PuRe

DOI

publisher-version

Journal Article

Bothschafter, Elisabeth M., Alexander Paarmann, Eeuwe S. Zijlstra, Nicholas Karpowicz, Martin E. Garcia, Reinhard Kienberger and Ralph Ernstorfer: Ultrafast Evolution of the Excited-State Potential Energy Surface of TiO₂ Single Crystals Induced by Carrier Cooling.

MPG.PuRe

DOI

publisher-version

Journal Article

Lüneburg, Sebastian, Melanie Müller, Alexander Paarmann and Ralph Ernstorfer: Microelectrode for energy and current control of nanotip field electron emitters.

MPG.PuRe

DOI

Full

publisher-version

Journal Article

Müller, Melanie, Alexander Paarmann, Canhua Xu and Ralph Ernstorfer: Coherent Electron Source for Ultrafast Electron Diffraction and Imaging.

MPG.PuRe

DOI

publisher-version

2012

Journal Article

Paarmann, Alexander, M. Gulde , Melanie Müller, S. Schäfer , S. Schweda , M. Maiti, Canhua Xu, T. Hohage, F. Schenk , C. Ropers and Ralph Ernstorfer: Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study.

MPG.PuRe

DOI

publisher-version

2011

Journal Article

Paarmann, Alexander, Manuela Lima, Riccardo Chelli, Victor V. Volkov, Roberto Righini and R.J.Dwayne Miller: Excitonic effects in two-dimensional vibrational spectra of liquid formamide.

MPG.PuRe

DOI

publisher-version

Conference Paper (8)

2019

Conference Paper

Juraschek, Dominik M., Alexander Paarmann, Tobias Kampfrath and Sebastian F. Maehrlein: The THz sum-frequency counterparts of stimulated Raman scattering.

(SPIE Optical Engineering and Applications: Terahertz Emitters, Receivers, and Applications X, San Diego, Calif., USA, Aug 2019).

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DOI

2018

Conference Paper

Kießling, Riko, Sandy Gewinner, Alexander Paarmann, Wieland Schöllkopf and Martin Wolf: Synchronized Mid-Infrared Pulses at the Fritz Haber Institute IR-FEL.

(38th International Free-Electron Laser Conference (FEL2017), Santa Fe, NM, USA, Aug 2017).

MPG.PuRe

DOI

publisher-version

Conference Paper

Paßler, Nikolai, Ilya Razdolski, Sandy Gewinner, Wieland Schöllkopf, Simone De Liberato, Christopher Gubbin, Joshua Caldwell, Martin Wolf and Alexander Paarmann: Nonlinear Response and Strong Coupling of Surface Phonon Polaritons.

(NATO Advanced Study Institute on Quantum Nano-Photonics, Erice, Sicily, Italy, Jul 2017).

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DOI

2016

Conference Paper

Paarmann, Alexander, Ilya Razdolski, Joshua Caldwell, Alexander Giles, Vinzenco Giannini, Sandy Gewinner, Wieland Schöllkopf, Stefan Maier and Martin Wolf: Mid-Infrared Second Harmonic Spectroscopy Probing Surface Phonon Polariton Localization in SiC Nanopillars.

(Conference on Lasers and Electro-Optics, San Jose, California United States, Jun 2016).

MPG.PuRe

DOI

Conference Paper

Winta, Christopher, Sandy Gewinner, Wieland Schöllkopf, Martin Wolf and Alexander Paarmann: Second Harmonic Phonon Spectroscopy of α-Quartz.

(Conference on Lasers and Electro-Optics, San Jose, California United States, Jun 2016).

MPG.PuRe

DOI

2015

Conference Paper

Müller, Melanie, Alexander Paarmann and Ralph Ernstorfer: Visualization of Photocurrents in Nanoobjects by Ultrafast Low-Energy Electron Point-Projection Imaging.

(19th International Conference on Ultrafast Phenomena, Okinawa, Japan, Jul 2014).

MPG.PuRe

DOI

Conference Paper

Schöllkopf, Wieland, Sandy Gewinner, Wolfgang Erlebach, Georg Heyne, Heinz Junkes, Andreas Liedke, Gerard Meijer, Alexander Paarmann, Gert von Helden, Hans Bluem, David Dowell, Ralph Lange, John Rathke, Alan Murray Melville Todd, Lloyd Martin Young, Ulf Lehnert, Peter Michel, Wolfgang Seidel, Rudi Wünsch and Stephen C. Gottschalk: The New IR FEL Facility at the Fritz-Haber-Institut in Berlin.

(36th International Free Electron Laser Conference, Basel, Switzerland, Aug 2014).

MPG.PuRe

Full

Conference Paper

Schöllkopf, Wieland, Sandy Gewinner, Heinz Junkes, Alexander Paarmann, Gert von Helden, Hans Bluem and Alan M.M. Todd: The new IR and THz FEL facility at the Fritz Haber Institute in Berlin.

(Advances in X-ray Free-Electron Lasers Instrumentation III, Prague, Czech Republic, Apr 2015).

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DOI

Full

Talk (51)

2024

Talk

Paarmann, Alexander: Near-Field Imaging of Ultra-Confined Polaritons in Van der Waals Crystals.

(FHI-Workshop on Current Research Topics at the FHI, Potsdam, Germany, Apr 2024).

MPG.PuRe

Talk

Paarmann, Alexander: Free-Electron Laser-Based Infrared Microscopy.

(Radboud Summer School, Radboud University, Nijmegen, The Netherlands, Jul 2024).

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Talk

Paarmann, Alexander: Phonon Polaritons in Low-Symmetry Crystals.

(SPIE Photonics West 2024, San Francisco, CA, USA, Jan 2024).

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2023

Talk

Paarmann, Alexander: High Resolution Phonon Polariton Mapping in Real and Momentum Space.

(Physics Colloquium, University of Greifswald, Greifswald, Germany, Jan 2023).

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Talk

Paarmann, Alexander: High Resolution Phonon Polariton Mapping in Real and Momentum Space.

(Colloquium, University of Oviedo, Oviedo, Spain, Feb 2023).

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Talk

Paarmann, Alexander: High Resolution Phonon Polariton Mapping in Real and Momentum Space.

(Seminar, Baumberg Group, NanoPhotonics Centre, University of Cambridge, Online Event, Feb 2023).

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