Publications of Alexander Paarmann

Journal Article (28)

Journal Article
N. Paßler, M. Jeannin and A. Paarmann: Layer-resolved absorption of light in arbitrarily anisotropic heterostructures. Physical Review B 101 (16), 165425 (2020).
Journal Article
R. Kießling, Y. Tong, A.J. Giles, S. Gewinner, W. Schöllkopf, J.D. Caldwell, M. Wolf and A. Paarmann: Surface Phonon Polariton Resonance Imaging Using Long-Wave Infrared-Visible Sum-Frequency Generation Microscopy. ACS Photonics 6 (11), 3017–3023 (2019).
Journal Article
N. Paßler and A. Paarmann: Generalized 4 × 4 matrix formalism for light propagation in anisotropic stratified media: study of surface phonon polaritons in polar dielectric heterostructures: erratum [J. Opt. Soc. Am. B 34, 2128 (2017)]. Journal of the Optical Society of America B 36 (11), 3246–3248 (2019).
Journal Article
N. Paßler, A. Heßler, M. Wuttig, T. Taubner and A. Paarmann: Surface Polariton-Like s-Polarized Waveguide Modes in Switchable Dielectric Thin-Films on Polar Crystals. Advanced Optical Materials 1901056 (2019).
Journal Article
D.C. Ratchford, C. Winta, I. Chatzakis, C.T. Ellis, N. Paßler, J. Winterstein, P. Dev, I. Razdolski, J.R. Matson, J.R. Nolen, J.G. Tischler, I. Vurgaftman, M.B. Katz, N. Nepal, M.T. Hardy, J.A. Hachtel, J.C. Idrobo, T.L. Reinecke, A.J. Giles, D.S. Katzer, N.D. Bassim, R.M. Stroud, M. Wolf, A. Paarmann and J.D. Caldwell: Controlling the Infrared Dielectric Function through Atomic-Scale Heterostructures. ACS Nano 13 (6), 6730–6741 (2019).
Journal Article
N. Paßler, I. Razdolski, D.S. Katzer, D.F. Storm, J.D. Caldwell, M. Wolf and A. Paarmann: Second Harmonic Generation from Phononic Epsilon-Near-Zero Berreman Modes in Ultrathin Polar Crystal Films. ACS Photonics 6 (6), 1365–1371 (2019).
Journal Article
C. Winta, M. Wolf and A. Paarmann: Low-temperature infrared dielectric function of hyperbolic α-quartz. Physical Review B 99 (14), 144308 (2019).
Journal Article
K. Pufahl, N. Paßler, N.B. Grosse, M. Wolf, U. Woggon 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).
Journal Article
I. Razdolski, N. Paßler, C.R. Gubbin, C. 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. Physical Review B 98 (12), 125425 (2018).
Journal Article
R. Kießling, W.B. Colson, 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).
Journal Article
M. Porer, 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. Physical Review Letters 121 (05), 055701 (2018).
Journal Article
S. Mährlein, 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. Science Advances 4 (7), eaar5164 (2018).
Journal Article
N. Paßler, C.R. Gubbin, T.G. Folland, I. Razdolski, D.S. Katzer, D.F. Storm, M. Wolf, S.D. Liberato, J.D. Caldwell and A. Paarmann: Strong Coupling of Epsilon-Near-Zero Phonon Polaritons in Polar Dielectric Heterostructures. Nano Letters 18 (7), 4285–4292 (2018).
Journal Article
C. Winta, S. Gewinner, W. Schöllkopf, M. Wolf and A. Paarmann: Second-harmonic phonon spectroscopy of α-quartz. Physical Review B 97 (9), 094108 (2018).
Journal Article
S. Mährlein, A. Paarmann, M. Wolf and T. Kampfrath: Terahertz Sum-Frequency Excitation of a Raman-Active Phonon. Physical Review Letters 119 (12), 127402 (2017).
Journal Article
N. Paßler 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).
Journal Article
N. Passler, 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).
Journal Article
I. Razdolski, 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 Letters 16 (11), 6954–6959 (2016).
Journal Article
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. Physical Review B 94 (13), 134312 (2016).
Journal Article
M. Müller, V. Kravtsov, A. Paarmann, M.B. Raschke and R. Ernstorfer: Nanofocused Plasmon-Driven Sub-10 fs Electron Point Source. ACS Photonics 3 (4), 611–619 (2016).
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