Quantum logic with spin qubits crossing the surface code threshold
High-fidelity control of quantum bits is paramount for the reliable execution of quantum
algorithms and for achieving fault tolerance—the ability to correct errors faster than they …
algorithms and for achieving fault tolerance—the ability to correct errors faster than they …
Engineering Dynamical Sweet Spots to Protect Qubits from Noise
Protecting superconducting qubits from low-frequency noise is essential for advancing
superconducting quantum computation. Based on the application of a periodic drive field …
superconducting quantum computation. Based on the application of a periodic drive field …
Simple master equations for describing driven systems subject to classical non-Markovian noise
Driven quantum systems subject to non-Markovian noise are typically difficult to model even
if the noise is classical. We present a systematic method based on generalized cumulant …
if the noise is classical. We present a systematic method based on generalized cumulant …
CMOS integrated circuits for the quantum information sciences
Over the past decade, significant progress in quantum technologies has been made, and
hence, engineering of these systems has become an important research area. Many …
hence, engineering of these systems has become an important research area. Many …
Simple framework for systematic high-fidelity gate operations
Semiconductor spin qubits demonstrated single-qubit gates with fidelities up to $99.9\% $
benchmarked in the single-qubit subspace. However, tomographic characterizations reveal …
benchmarked in the single-qubit subspace. However, tomographic characterizations reveal …
Autonomous tuning and charge-state detection of gate-defined quantum dots
Defining quantum dots in semiconductor-based heterostructures is an essential step in
initializing solid-state qubits. With growing device complexity and increasing number of …
initializing solid-state qubits. With growing device complexity and increasing number of …
High-fidelity geometric gate for silicon-based spin qubits
High-fidelity manipulation is key to the physical realization of fault-tolerant quantum
computation. Here, we present a protocol to realize universal nonadiabatic geometric gates …
computation. Here, we present a protocol to realize universal nonadiabatic geometric gates …
1/f noise in quantum nanoscience
Fundamental issues of 1/f noise in quantum nanoscience are reviewed starting from basic
statistical noise processes. Fundamental noise models based on two-level systems (TLS) …
statistical noise processes. Fundamental noise models based on two-level systems (TLS) …
Quantum circuit engineering for correcting coherent noise
M Ahsan, SAZ Naqvi, H Anwer - Physical Review A, 2022 - APS
Crosstalk and several forms of coherent noise are invisible when a qubit or a gate is
calibrated or benchmarked in isolation. These are unlocked during the execution of a full …
calibrated or benchmarked in isolation. These are unlocked during the execution of a full …
Interplay of charge noise and coupling to phonons in adiabatic electron transfer between quantum dots
JA Krzywda, Ł Cywiński - Physical Review B, 2021 - APS
Long-distance transfer of quantum information in architectures based on quantum dot spin
qubits will be necessary for their scalability. One way of achieving this goal is to simply move …
qubits will be necessary for their scalability. One way of achieving this goal is to simply move …