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cond-mat.mtrl-sci2026
Molecular beam epitaxy of wafer-scale O-band InAs/InGaAs quantum dots on GaAs for quantum photonics
Pavel S. Avdienko, Lukas Hanschke, Quirin Buchinger +13
We report a scalable molecular beam epitaxy strategy to achieve a low density of O-band electrically tunable InAs/InGaAs quantum dots (QDs) on GaAs(001) substrates. Our approach is…
cond-mat.mtrl-sci2026
Optical Spectroscopy of Waveguide coupled Er ensembles in CaWO and YVO
Fabian Becker, Anna Selzer, Lorenz J. J. Sauerzopf +4
We present an optical study of near-surface Er ensembles in waveguide-integrated CaWO and YVO, investigating how nanophotonic coupling modifies rare-earth spectrosco…