Publications of Alexander Paarmann

Journal Article (32)

2022
Journal Article
He, M., T.G. Folland, J. Duan, P. Alonso-González, S.D. Liberato, A. Paarmann and J.D. Caldwell: Anisotropy and Modal Hybridization in Infrared Nanophotonics Using Low-Symmetry Materials. ACS Photonics 9 (4), 1078–1095 (2022).
Journal Article
Niemann, R., S. Waßerroth, G. Lu, S. Gewinner, M. De Pas, W. Schöllkopf, J.D. Caldwell, M. Wolf and A. Paarmann: Long-wave infrared super-resolution wide-field microscopy using sum-frequency generation. Applied Physics Letters 120 (13), 131102 (2022).
Journal Article
Paßler, N., X. Ni, G. Hu, J.R. Matson, G. Carini, M. Wolf, M. Schubert, A. Alù, J.D. Caldwell, T.G. Folland and A. Paarmann: Hyperbolic shear polaritons in low-symmetry crystals. Nature 602 (7898), 595–600 (2022).
Journal Article
Yue, Y., G. Melani, H. Kirsch, A. Paarmann, P. Saalfrank, R.K. Campen and Y. Tong: Structure and Reactivity of α-Al2O3(0001) Surfaces: How Do Al-I and Gibbsite-like Terminations Interconvert? The Journal of Physical Chemistry C 126 (31), 13467–13476 (2022).
2020
Journal Article
Paßler, N., 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 8 (5), 1901056 (2020).
Journal Article
Paßler, N., M. Jeannin and A. Paarmann: Layer-resolved absorption of light in arbitrarily anisotropic heterostructures. Physical Review B 101 (16), 165425 (2020).
2019
Journal Article
Kießling, R., 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
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: erratum [J. Opt. Soc. Am. B 34, 2128 (2017)]. Journal of the Optical Society of America B 36 (11), 3246–3248 (2019).
Journal Article
Paßler, N., 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
Ratchford, D.C., 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
Winta, C., M. Wolf and A. Paarmann: Low-temperature infrared dielectric function of hyperbolic α-quartz. Physical Review B 99 (14), 144308 (2019).
2018
Journal Article
Kießling, R., 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
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. Science Advances 4 (7), eaar5164 (2018).
Journal Article
Paßler, N., 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
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. Physical Review Letters 121 (05), 055701 (2018).
Journal Article
Pufahl, K., 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
Razdolski, I., 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
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).
2017
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).
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).
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