Mueller matrix spectroscopic ellipsometry

JN Hilfiker, N Hong, S Schoeche - Advanced Optical Technologies, 2022 - degruyter.com
The Mueller matrix is a mathematical description of how light is altered by an optical element
or a sample under study. It describes both intensity (irradiance) and polarization changes …

The anisotropic quasi-static permittivity of single-crystal β-Ga2O3 measured by terahertz spectroscopy

P Gopalan, S Knight, A Chanana, M Stokey… - Applied Physics …, 2020 - pubs.aip.org
The quasi-static anisotropic permittivity parameters of electrically insulating beta gallium
oxide (β-Ga 2 O 3) were determined by terahertz spectroscopy. Polarization-resolved …

Hyperbolic-to-hyperbolic transition at exceptional Reststrahlen point in rare-earth oxyorthosilicates

C Zheng, G Hu, J Wei, X Ma, Z Li, Y Chen, Z Ni… - Nature …, 2024 - nature.com
Anisotropic optical crystals can exhibit a hyperbolic response within the Reststrahlen band
(RB) and support directional polaritonic propagations when interacting with light. Most of the …

High-connectivity quantum processor nodes using single-ion qubits in rare-earth-ion-doped crystals

A Kinos, L Rippe, D Serrano, A Walther, S Kröll - Physical Review A, 2022 - APS
We present two protocols for constructing quantum processor nodes in randomly doped rare-
earth-ion crystals and analyze their properties. By varying the do** concentration and the …

[HTML][HTML] Longitudinal phonon plasmon mode coupling in β-Ga2O3

M Schubert, A Mock, R Korlacki, S Knight… - Applied Physics …, 2019 - pubs.aip.org
In this letter, we investigate a set of n-type single crystals of monoclinic symmetry β-Ga 2 O 3
with different free electron concentration values by generalized far infrared and infrared …

Magnetic Lyddane-Sachs-Teller relation

V Rindert, V Darakchieva, T Sarkar, M Schubert - Physical Review Letters, 2025 - APS
We describe a magnetic relation in analogy to the well-known dielectric Lyddane-Sachs-
Teller relation [RH Lyddane et al., Phys. Rev. 59, 673 (1941)]. This magnetic relation follows …

Bloch equations in terahertz magnetic-resonance ellipsometry

V Rindert, S Richter, P Kühne, A Ruder, V Darakchieva… - Physical Review B, 2024 - APS
A generalized approach derived from Bloch's equation of motion of nuclear magnetic
moments is presented to model the frequency, magnetic field, spin density, and temperature …

[HTML][HTML] First-principle investigation of do** effects on mechanical and thermodynamic properties of Y2SiO5

A Mirzai, A Ahadi, S Melin, PAT Olsson - Mechanics of Materials, 2021 - Elsevier
We investigate the variation of elastic stiffness moduli and the thermodynamic properties of
yttrium orthosilicate (Y 2 SiO 5, YSO) under various do** concentrations of Eu 3+ ions …

Microscopic treatment of instantaneous spectral diffusion and its effect on quantum gate fidelities in rare-earth-ion-doped crystals

A Kinos, L Rippe, A Walther, S Kröll - Physical Review A, 2022 - APS
The effect of instantaneous spectral diffusion (ISD) on gate operations in rare-earth-ion-
doped crystals is an important question to answer for the future of rare-earth quantum …

Phonon order and reststrahlen bands of polar vibrations in crystals with monoclinic symmetry

M Schubert, A Mock, R Korlacki, V Darakchieva - Physical Review B, 2019 - APS
In this Rapid Communication, we present the order of the phonon modes and the
appearance of the reststrahlen bands for monoclinic symmetry materials with polar lattice …