Spin readout techniques of the nitrogen-vacancy center in diamond
The diamond nitrogen-vacancy (NV) center is a leading platform for quantum information
science due to its optical addressability and room-temperature spin coherence. However …
science due to its optical addressability and room-temperature spin coherence. However …
Demonstration of quantum volume 64 on a superconducting quantum computing system
We improve the quality of quantum circuits on superconducting quantum computing
systems, as measured by the quantum volume (QV), with a combination of dynamical …
systems, as measured by the quantum volume (QV), with a combination of dynamical …
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
High-fidelity and rapid readout of a qubit state is key to quantum computing and
communication, and it is a prerequisite for quantum error correction. We present a readout …
communication, and it is a prerequisite for quantum error correction. We present a readout …
Introduction to quantum error correction and fault tolerance
SM Girvin - SciPost Physics Lecture Notes, 2023 - scipost.org
These lecture notes from the 2019 Les Houches Summer School on" Quantum Information
Machines" are intended to provide an introduction to classical and quantum error correction …
Machines" are intended to provide an introduction to classical and quantum error correction …
Photon-emission statistics for single nitrogen-vacancy centers
We model and experimentally demonstrate the full time-dependent counting statistics of
photons emitted by a single nitrogen-vacancy (NV) center in diamond under nonresonant …
photons emitted by a single nitrogen-vacancy (NV) center in diamond under nonresonant …
High-fidelity measurement of qubits encoded in multilevel superconducting circuits
Qubit measurements are central to quantum information processing. In the field of
superconducting qubits, standard readout techniques are limited not only by the signal-to …
superconducting qubits, standard readout techniques are limited not only by the signal-to …
Optimal repetitive readout of single solid-state spins determined by Fisher information
Z Zhao, S Xu, Q Shi, Y Chen, X Kong, Z Yang… - Science …, 2024 - science.org
Quantum systems, including superconducting circuits, trapped ions, quantum dots, solid-
state defects, etc., have achieved considerable advancements in readout fidelity. However …
state defects, etc., have achieved considerable advancements in readout fidelity. However …
Optimal dispersive readout of a spin qubit with a microwave resonator
Strong coupling of semiconductor spin qubits to superconducting microwave resonators was
recently demonstrated [X. Mi, Nature 555, 599 (2018) NATUAS 0028-0836 …
recently demonstrated [X. Mi, Nature 555, 599 (2018) NATUAS 0028-0836 …
Robust readout of bosonic qubits in the dispersive coupling regime
High-fidelity qubit measurements play a crucial role in quantum computation,
communication, and metrology. In recent experiments, it has been shown that readout …
communication, and metrology. In recent experiments, it has been shown that readout …
Simultaneous transient dispersive readout of multiple spin qubits
F Ginzel, G Burkard - Physical Review B, 2023 - APS
We propose a paradigm of multiplexed dispersive qubit measurement performed while the
qubits dephase. A Laplace transformation of the time-dependent cavity response allows to …
qubits dephase. A Laplace transformation of the time-dependent cavity response allows to …