Publications of Alexander Paarmann

Journal Article (46)

1.
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).
2.
Journal Article
Álvarez-Cuervo, J., M. Obst, S. Dixit, G. Carini, A.I.F. Tresguerres-Mata, C. Lanza, E. Terán-García, G. Álvarez-Pérez, L.F. Álvarez-Tomillo, K. Diaz-Granados, R. Kowalski, A.S. Senerath, N.S. Müller, L. Herrer, J.M. De Teresa, S. Wasserroth, J.M. Klopf, T. Beechem, M. Wolf, L.M. Eng, T.G. Folland, A. Tarazaga Martín-Luengo, J. Martín-Sánchez, S.C. Kehr, A.Y. Nikitin, J.D. Caldwell, P. Alonso-González and A. Paarmann: Unidirectional ray polaritons in twisted asymmetric stacks. Nature Communications 15, 9042 (2024).
3.
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).
4.
Journal Article
Niemann, R., N.S. Müller, S. Wasserroth, G. Lu, M. Wolf, J.D. Caldwell and A. Paarmann: Spectroscopic and Interferometric Sum-Frequency Imaging of Strongly Coupled Phonon Polaritons in SiC Metasurfaces. Advanced Materials 36 (33), 2312507 (2024).
5.
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).
6.
Journal Article
Galiffi, E., G. Carini, X. Ni, G. Álvarez-Pérez, S. Yves, E.M. Renzi, R. Nolen, S. Wasserroth, M. Wolf, P. Alonso-Gonzales, A. Paarmann and A. Alù: Extreme light confinement and control in low-symmetry phonon-polaritonic crystals. Nature Reviews Materials 9, 9-28 (2024).
7.
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).
8.
Journal Article
Raschke, M.B., M. Schubert, P. Narang and A. Paarmann: Publisher's Note: “Optical nanoprobe imaging and spectroscopy” [Appl. Phys. Lett. 123, 230401 (2023)]. Applied Physics Letters 124 (1), 019901 (2024).
9.
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).
10.
Journal Article
Matson, J., S. Waßerroth, X. Ni, M. Obst, K. Diaz-Granados, G. Carini, E. Renzi, E. Galiffi, T.G. Folland, L. Eng, J. Klopf, S. Mastel, S. Armster, V. Gambin, M. Wolf, S.C. Kehr, A. Alu, A. Paarmann and J. Caldwell: Controlling the propagation asymmetry of hyperbolic shear polaritons in beta-gallium oxide. Nature Communications 14, 5240 (2023).
11.
Journal Article
Paßler, N., X. Ni, G. Carini, D.N. Chigrin, A. Alù and A. Paarmann: Layer-resolved resonance intensity of evanescent polariton modes in anisotropic multilayers. Physical Review B 107 (23), 235426 (2023).
12.
Journal Article
Ni, X., G. Carini, W. Ma, E.M. Renzi, E. Galiffi, S. Wasserroth, M. Wolf, P. Li, A. Paarmann and A. Alù: Observation of directional leaky polaritons at anisotropic crystal interfaces. Nature Communications 14, 2845 (2023).
13.
Journal Article
Hu, G., W. Ma, D. Hu, J. Wu, C. Zheng, K. Liu, X. Zhang, X. Ni, J. Chen, X. Zhang, Q. Dai, J.D. Caldwell, A. Paarmann, A. Alù, P. Li and C.-W. Qiu: Real-space nanoimaging of hyperbolic shear polaritons in a monoclinic crystal. Nature Nanotechnology 18 (1), 64–70 (2023).
14.
Journal Article
Kohlmann, M., C. Denker, N. Paßler, J. Kredl, M. Wolf, M. Münzenberg and A. Paarmann: Second harmonic generation from grating-coupled hybrid plasmon–phonon polaritons. Applied Physics Letters 121 (19), 191105 (2022).
15.
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).
16.
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).
17.
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).
18.
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).
19.
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).
20.
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).
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