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Photoconductance Quantization in a Single-Photon Detector
Hideo Kosaka, Deepak S. Rao, Hans D. Robinson +3
We have made a single-photon detector that relies on photoconductive gain in a narrow electron channel in an AlGaAs/GaAs 2-dimensional electron gas. Given that the electron channel…
Electron g-factor Engineering in III-V Semiconductors for Quantum Communications
Hideo Kosaka, Andrey A. Kiselev, Filipp A. Baron +2
An entanglement-preserving photo-detector converts photon polarization to electron spin. Up and down spin must respond equally to oppositely polarized photons, creating a requireme…
Gate-Controlled Electron Spin Resonance in a GaAs/AlGaAs Heterostructure
H. W. Jiang, E. Yablonovitch
The electron spin resonance (ESR) of two-dimensional electrons is investigated in a gated GaAs/AlGaAs heterostructure. We found that the ESR resonance frequency can be turned by me…