Search Results - "Trefflich, Lukas"
-
1
Ultrawide bandgap willemite-type Zn2GeO4 epitaxial thin films
Published in Applied physics letters (16-01-2023)“…Willemite-type Zn2GeO4 is a promising ultrawide bandgap semiconductor material. To date, experimental results on growth and physical properties of epitaxial…”
Get full text
Journal Article -
2
Lasing in cuprous iodide microwires
Published in Applied physics letters (17-07-2017)“…We report on the observation of lasing in cuprous iodide (CuI) microwires. A vapor-phase transport growth procedure was used to synthesize CuI microwires with…”
Get full text
Journal Article -
3
Enhanced absorption and cavity effects of three-photon pumped ZnO nanowires
Published in Applied physics letters (20-11-2017)“…Semiconductor nanowire (NW) lasers attract a lot of attention as potential elements of nanophotonic circuits and lab-on-a chip devices. Here, we report on the…”
Get full text
Journal Article -
4
Dynamics of exciton–polariton emission in CuI
Published in APL materials (01-12-2021)“…We report on temperature-dependent (10 K – 250 K) spectral and dynamical properties of free exciton–polariton and bound exciton emission in copper iodide (CuI)…”
Get full text
Journal Article -
5
Influence of the excitation conditions on the emission behavior of carbon nanodot-based planar microcavities
Published in Physical review research (11-11-2020)“…We report the influence of the excitation conditions on the emission behavior of a carbon-nanodot-based microcavity. The emission properties under nanosecond…”
Get full text
Journal Article -
6
Hard X-ray Generation from ZnO Nanowire Targets in a Non-Relativistic Regime of Laser-Solid Interactions
Published in Applied sciences (01-10-2018)“…We present a detailed investigation of X-ray emission from both flat and nanowire zinc oxide targets irradiated by 60 fs 5 × 1016 W/cm2 intensity laser pulses…”
Get full text
Journal Article -
7
Voigt Exceptional Points in an Anisotropic ZnO-Based Planar Microcavity: Square-Root Topology, Polarization Vortices, and Circularity
Published in Physical review letters (29-11-2019)“…Voigt points represent propagation directions in anisotropic crystals along which optical modes degenerate, leading to a single circularly polarized eigenmode…”
Get full text
Journal Article -
8
Growth of 18O isotopically enriched ZnO nanorods by two novel VPT methods
Published in Journal of crystal growth (15-02-2017)“…We have developed two novel vapour phase transport methods to grow ZnO nanorod arrays isotopically enriched with 18O. Firstly, a three-step process used to…”
Get full text
Journal Article -
9
Growth of ^sup 18^O isotopically enriched ZnO nanorods by two novel VPT methods
Published in Journal of crystal growth (15-02-2017)“…We have developed two novel vapour phase transport methods to grow ZnO nanorod arrays isotopically enriched with 18O. Firstly, a three-step process used to…”
Get full text
Journal Article -
10
Growth of 18 O isotopically enriched ZnO nanorods by two novel VPT methods
Published in Journal of crystal growth (01-02-2017)Get full text
Journal Article -
11
Exceptional Points in the Dispersion of Optically Anisotropic Planar Microcavities
Published in 2018 IEEE Photonics Society Summer Topical Meeting Series (SUM) (01-07-2018)“…When incorporating anisotropic materials, planar microcavities can give rise to exceptional points, i.e. propagation directions along which two otherwise…”
Get full text
Conference Proceeding -
12
From three-photon to tunnel ionization pumped ZnO nanolasers
Published in 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (01-06-2017)“…Summary form only given. We report on experimental investigation of stimulated near ultraviolet (NUV) emission from a disordered array of nanowires pumped in a…”
Get full text
Conference Proceeding -
13
X-ray emission from nanostructured targets irradiated by a relativistically intense mid-infrared driver
Published in 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (01-06-2017)“…We report the first experimental results on multi-keV X-ray generation from relativistic laser-solid interaction using a mid-IR (3.9 μm) high power femtosecond…”
Get full text
Conference Proceeding