no code implementations • 18 Feb 2021 • Natasha Tomm, Alexander R. Korsch, Alisa Javadi, Daniel Najer, Rüdiger Schott, Sascha R. Valentin, Andreas D. Wieck, Arne Ludwig, Richard J. Warburton
A splitting of the fundamental optical modes in micro/nano-cavities comprising semiconductor heterostructures is commonly observed.
Optics Materials Science Applied Physics Quantum Physics
no code implementations • 11 Feb 2021 • Ying Wang, Ravitej Uppu, Xiaoyan Zhou, Camille Papon, Sven Scholz, Andreas D. Wieck, Arne Ludwig, Peter Lodahl, Leonardo Midolo
We report on the analysis of electroabsorption in thin GaAs/Al$_{0. 3}$Ga$_{0. 7}$As nanophotonic waveguides with an embedded $p$-$i$-$n$ junction.
Optics Materials Science Quantum Physics
no code implementations • 9 Dec 2020 • Daniel Najer, Natasha Tomm, Alisa Javadi, Alexander R. Korsch, Benjamin Petrak, Daniel Riedel, Vincent Dolique, Sascha R. Valentin, Rüdiger Schott, Andreas D. Wieck, Arne Ludwig, Richard J. Warburton
The surface, however, resides at an anti-node of the vacuum field and results in significant loss.
Optics Materials Science Quantum Physics
1 code implementation • 7 Jan 2019 • Julian D. Teske, Simon Humpohl, René Otten, Patrick Bethke, Pascal Cerfontaine, Jonas Dedden, Arne Ludwig, Andreas D. Wieck, Hendrik Bluhm
While spin qubits based on gate-defined quantum dots have demonstrated very favorable properties for quantum computing, one remaining hurdle is the need to tune each of them into a good operating regime by adjusting the voltages applied to electrostatic gates.
Mesoscale and Nanoscale Physics
