Epitaxial quantum dots: a semiconductor launchpad for photonic quantum technologies

X Zhou, L Zhai, J Liu - Photonics Insights, 2023 - spiedigitallibrary.org
Epitaxial quantum dots formed by III–V compound semiconductors are excellent sources of
non-classical photons, creating single photons and entangled multi-photon states on …

Enhanced Electron-Spin Coherence in a GaAs Quantum Emitter

GN Nguyen, C Spinnler, MR Hogg, L Zhai, A Javadi… - Physical Review Letters, 2023 - APS
A spin-photon interface should operate with both coherent photons and a coherent spin to
enable cluster-state generation and entanglement distribution. In high-quality devices, self …

Stochastic thermodynamics of a quantum dot coupled to a finite-size reservoir

SV Moreira, P Samuelsson, PP Potts - Physical Review Letters, 2023 - APS
In nanoscale systems coupled to finite-size reservoirs, the reservoir temperature may
fluctuate due to heat exchange between the system and the reservoirs. To date, a stochastic …

On-chip spin-photon entanglement based on photon-scattering of a quantum dot

ML Chan, A Tiranov, MH Appel, Y Wang… - npj Quantum …, 2023 - nature.com
The realization of on-chip quantum interfaces between flying photons and solid-state spins
is a key building block for quantum-information processors, enabling, eg, distributed …

Cavity-enhanced single-shot readout of a quantum dot spin within 3 nanoseconds

NO Antoniadis, MR Hogg, WF Stehl, A Javadi… - Nature …, 2023 - nature.com
Rapid, high-fidelity single-shot readout of quantum states is a ubiquitous requirement in
quantum information technologies. For emitters with a spin-preserving optical transition, spin …

Approaching a fully-polarized state of nuclear spins in a solid

P Millington-Hotze, HE Dyte, S Manna… - Nature …, 2024 - nature.com
Magnetic noise of atomic nuclear spins is a major source of decoherence in solid-state spin
qubits. In theory, near-unity nuclear spin polarization can eliminate decoherence of the …

Many-Body Singlet Prepared by a Central-Spin Qubit

L Zaporski, SR de Wit, T Isogawa, M Hayhurst Appel… - PRX Quantum, 2023 - APS
Controllable quantum many-body systems are platforms for fundamental investigations into
the nature of entanglement and promise to deliver computational speed-up for a broad class …

Dynamical nuclear spin polarization in a quantum dot with an electron spin driven by electric dipole spin resonance

P Stano, T Nakajima, A Noiri, S Tarucha, D Loss - Physical Review B, 2023 - APS
We analyze the polarization of nuclear spins in a quantum dot induced by a single-electron
spin that is electrically driven to perform coherent Rabi oscillations. We derive the …

Many-body quantum register for a spin qubit

MH Appel, A Ghorbal, N Shofer, L Zaporski… - arXiv preprint arXiv …, 2024 - arxiv.org
Quantum networks require quantum nodes with coherent optical interfaces and multiple
stationary qubits. In terms of optical properties, semiconductor quantum dots are highly …

On-chip spin-photon entanglement based on single-photon scattering

ML Chan, A Tiranov, MH Appel, Y Wang… - arXiv preprint arXiv …, 2022 - arxiv.org
The realization of on-chip quantum gates between photons and solid-state spins is a key
building block for quantum-information processors, enabling, eg, distributed quantum …