Publications of Alexander Paarmann
All genres
Journal Article (46)
2025
Journal Article
Carini, G., R. Niemann, N.S. Müller, M. Wolf and A. Paarmann: Surface Phonon Polariton Ellipsometry. ACS Photonics 12 (2), 792–800 (2025).
2024
Journal Article
, , , G. Carini, , , , G. Álvarez-Pérez, , , , , N.S. Müller, , , S. Wasserroth, , , M. Wolf, , , , , , , , and A. Paarmann: Unidirectional ray polaritons in twisted asymmetric stacks. Nature Communications 15, 9042 (2024).
Journal Article
, G. Carini, , G. Álvarez-Pérez, , , , S. Wasserroth, M. Wolf, , A. Paarmann and : Extreme light confinement and control in low-symmetry phonon-polaritonic crystals. Nature Reviews Materials 9, 9-28 (2024).
Journal Article
Kießling, R., M. Wolf and A. Paarmann: Spectral narrowing of a phonon resonance in time-domain sum-frequency spectroscopy. Physical Review Research 6 (1), 013066 (2024).
Journal Article
Mader, D., R. Niemann, M. Wolf, S.F. Maehrlein and A. Paarmann: Sum-frequency generation spectro-microscopy in the reststrahlen band of wurtzite-type aluminum nitride. The Journal of Chemical Physics 161 (9), 094706 (2024).
Journal Article
Niemann, R., N.S. Müller, S. Wasserroth, , M. Wolf, and A. Paarmann: Spectroscopic and Interferometric Sum-Frequency Imaging of Strongly Coupled Phonon Polaritons in SiC Metasurfaces. Advanced Materials 36 (33), 2312507 (2024).
Journal Article
, , and A. Paarmann: Publisher's Note: “Optical nanoprobe imaging and spectroscopy” [Appl. Phys. Lett. 123, 230401 (2023)]. Applied Physics Letters 124 (1), 019901 (2024).
Journal Article
Spencer, M.S., J. Urban, M. Frenzel, N.S. Müller, O. Minakova, M. Wolf, A. Paarmann and S.F. Maehrlein: Electro-optic cavities for in-situ measurement of cavity fields. Light: Science & Applications 14, 69 (2024).
2023
Journal Article
, , , , , , , , , , , , A. Paarmann, , and : Real-space nanoimaging of hyperbolic shear polaritons in a monoclinic crystal. Nature Nanotechnology 18 (1), 64–70 (2023).
Journal Article
Khan, T., B. John, R. Niemann, A. Paarmann, M. Wolf and M. Thämer: Compact oblique-incidence nonlinear widefield microscopy with paired-pixel balanced imaging. Optics Express 31 (18), 28792–28804 (2023).
Journal Article
, S. Waßerroth, , , , G. Carini, , , , , , , , , M. Wolf, , , A. Paarmann and : Controlling the propagation asymmetry of hyperbolic shear polaritons in beta-gallium oxide. Nature Communications 14, 5240 (2023).
Journal Article
, , , , , S. Wasserroth, M. Wolf, , A. Paarmann and : Observation of directional leaky polaritons at anisotropic crystal interfaces. Nature Communications 14, 2845 (2023).
Journal Article
Paßler, N., , G. Carini, , and A. Paarmann: Layer-resolved resonance intensity of evanescent polariton modes in anisotropic multilayers. Physical Review B 107 (23), 235426 (2023).
2022
Journal Article
, , , , , A. Paarmann and : Anisotropy and Modal Hybridization in Infrared Nanophotonics Using Low-Symmetry Materials. ACS Photonics 9 (4), 1078–1095 (2022).
Journal Article
Kohlmann, M., , N. Paßler, , M. Wolf, and A. Paarmann: Second harmonic generation from grating-coupled hybrid plasmon–phonon polaritons. Applied Physics Letters 121 (19), 191105 (2022).
Journal Article
Niemann, R., S. Waßerroth, , S. Gewinner, M. De Pas, W. Schöllkopf, , 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., , , , G. Carini, M. Wolf, , , , and A. Paarmann: Hyperbolic shear polaritons in low-symmetry crystals. Nature 602 (7898), 595–600 (2022).
Journal Article
Yue, Y., , H. Kirsch, A. Paarmann, , 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., , , 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., and A. Paarmann: Layer-resolved absorption of light in arbitrarily anisotropic heterostructures. Physical Review B 101 (16), 165425 (2020).