Polarization-independent enhancement of optical absorption in a GaAs quantum well embedded in an air-bridge bull's-eye cavity with metal electrodes

S Ji, T Tajiri, XF Liu, H Kiyama, A Oiwa… - Japanese Journal of …, 2023 - iopscience.iop.org
Electron spins in gate-defined quantum dots (QDs) formed in semiconductor quantum wells
(QWs) are promising stationary qubits for implementing large-scale quantum networks in a …

State initialization of a hot spin qubit in a double quantum dot by measurement-based quantum feedback control

A Aarab, R Azouit, V Reiher, Y Bérubé-Lauzière - Physical Review B, 2022 - APS
A measurement-based quantum feedback protocol is developed for spin-state initialization
in a gate-defined double quantum dot spin qubit coupled to a superconducting cavity. The …

Numerical analysis of photon absorption of gate-defined quantum dots embedded in asymmetric bull's-eye optical cavities

S Ji, S Iwamoto - Optics Continuum, 2023 - opg.optica.org
Improving the photon–spin conversion efficiency without polarization dependence is a major
challenge in realizing quantum interfaces gate-defined quantum dots (QDs) for polarization …