Publications of Alexander Paarmann
All genres
Journal Article (41)
21.
Journal Article
N. Paßler, , M. Wolf, and A. Paarmann: Controlling nanoscale air-gaps for critically coupled surface polaritons by means of non-invasive white-light interferometry. Applied Physics Letters 113 (16), 161103 (2018).
, 22.
Journal Article
Razdolski, I., N. Paßler, , C. Winta, , , , , M. Wolf, A. Paarmann and : Second harmonic generation from strongly coupled localized and propagating phonon-polariton modes. Physical Review B 98 (12), 125425 (2018).
23.
Journal Article
Kießling, R., , S. Gewinner, W. Schöllkopf, M. Wolf and A. Paarmann: Femtosecond single-shot timing and direct observation of subpulse formation in an infrared free-electron laser. Physical Review Accelerators and Beams 21 (08), 080702 (2018).
24.
Journal Article
L. Rettig, , , , , , , , , , , , A. Paarmann, J. Noack, , , , and : Ultrafast Relaxation Dynamics of the Antiferrodistortive Phase in Ca Doped SrTiO3. Physical Review Letters 121 (05), 055701 (2018).
, , , 25.
Journal Article
Paßler, N., , , I. Razdolski, , , M. Wolf, , and A. Paarmann: Strong Coupling of Epsilon-Near-Zero Phonon Polaritons in Polar Dielectric Heterostructures. Nano Letters 18 (7), 4285–4292 (2018).
26.
Journal Article
Maehrlein, S.F., , , A. Paarmann, , , , M. Wolf, , and T. Kampfrath: Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation. Science Advances 4 (7), eaar5164 (2018).
27.
Journal Article
Winta, C., S. Gewinner, W. Schöllkopf, M. Wolf and A. Paarmann: Second-harmonic phonon spectroscopy of α-quartz. Physical Review B 97 (9), 094108 (2018).
28.
Journal Article
Maehrlein, S.F., A. Paarmann, M. Wolf and T. Kampfrath: Terahertz Sum-Frequency Excitation of a Raman-Active Phonon. Physical Review Letters 119 (12), 127402 (2017).
29.
Journal Article
Paßler, N. and A. Paarmann: Generalized 4 × 4 matrix formalism for light propagation in anisotropic stratified media: study of surface phonon polaritons in polar dielectric heterostructures. Journal of the Optical Society of America B 34 (10), 102128–102139 (2017).
30.
Journal Article
Passler, N., I. Razdolski, S. Gewinner, W. Schöllkopf, M. Wolf and A. Paarmann: Second-Harmonic Generation from Critically Coupled Surface Phonon Polaritons. ACS Photonics 4 (5), 1048–1053 (2017).
31.
Journal Article
Razdolski, I., , , S. Gewinner, W. Schöllkopf, , M. Wolf, , , and A. Paarmann: Resonant Enhancement of Second-Harmonic Generation in the Mid-Infrared Using Localized Surface Phonon Polaritons in Subdiffractional Nanostructures. Nano Letters 16 (11), 6954–6959 (2016).
32.
Journal Article
Paarmann, A., I. Razdolski, S. Gewinner, W. Schöllkopf and M. Wolf: Effects of crystal anisotropy on optical phonon resonances in midinfrared second harmonic response of SiC. Physical Review B 94 (13), 134312 (2016).
33.
Journal Article
Müller, M., , A. Paarmann, and R. Ernstorfer: Nanofocused Plasmon-Driven Sub-10 fs Electron Point Source. ACS Photonics 3 (4), 611–619 (2016).
34.
Journal Article
Paarmann, A., I. Razdolski, A. Melnikov, S. Gewinner, W. Schöllkopf and M. Wolf: Second harmonic generation spectroscopy in the Reststrahl band of SiC using an infrared free-electron laser. Applied Physics Letters 107 (8), 081101 (2015).
35.
Journal Article
Müller, M., A. Paarmann and R. Ernstorfer: Femtosecond electrons probing currents and atomic structure in nanomaterials. Nature Communications 5 (10), 5292 (2014).
36.
Journal Article
Lüneburg, S., M. Müller, A. Paarmann and R. Ernstorfer: Microelectrode for energy and current control of nanotip field electron emitters. Applied Physics Letters 103 (21), 213506 (2013).
37.
Journal Article
A. Paarmann, , , , , and R. Ernstorfer: Interband excitation and carrier relaxation as displacive driving force for coherent phonons. EPJ Web of Conferences 41, 04021 (2013).
, 38.
Journal Article
Müller, M., A. Paarmann, C. Xu and R. Ernstorfer: Coherent Electron Source for Ultrafast Electron Diffraction and Imaging. EPJ Web of Conferences 41, 10007 (2013).
39.
Journal Article
A. Paarmann, , , , and R. Ernstorfer: Ultrafast Evolution of the Excited-State Potential Energy Surface of TiO2 Single Crystals Induced by Carrier Cooling. Physical Review Letters 110 (6), 067402 (2013).
, 40.
Journal Article
Paarmann, A., , M. Müller, , , , C. Xu, , , and R. Ernstorfer: Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study. Journal of Applied Physcis 112 (11), 113109 (2012).