Derivative reduction by adiabatic gate

WebSep 13, 2024 · In this article we review the Derivative Removal by Adiabatic Gate (DRAG) framework. DRAG is a multi-transition variant of counterdiabatic driving, where multiple low-lying gapped states in an adiabatic evolution can be avoided simultaneously, greatly … WebFeb 5, 2024 · A related method based on derivative removal by adiabatic gate has been used to eliminate leakage of the drives in weakly anharmonic systems. We further employ our saSTIRAP protocol based on two-photon counterdiabatic driving to demonstrate a …

Optimal control of stimulated Raman adiabatic passage in a

WebWe characterize single qubit gates in a superconducting qubit, and by refining our use of derivative reduction by adiabatic gate pulse shaping along with detuning of the pulses, we obtain gate errors consistently below 1 0 -3 and leakage rates at the 1 0 -5 level. WebIndeed, the suppression of phase errors using Derivative Reduction by Adiabatic Gate (DRAG) pulse shaping [8] has helped push single qubit delity in super- conducting qubits over 99.9%, nominally... simple table clock https://novecla.com

arXiv:1007.1690v1 [quant-ph] 10 Jul 2010

WebJan 13, 2016 · Indeed, the suppression of phase errors using Derivative Reduction by Adiabatic Gate (DRAG) pulse shaping[8]hashelpedpushsinglequbitfidelityinsuper- conductingqubitsover99.9%[9,10]. However, gate fidelity is not the only metric that de- terminestheviabilityofquantumerrorcorrection(QEC) … WebMicrowave pulses with Gaussian envelopes and in/quadrature-phase (I/Q) modulation adopting the Derivative Reduction by Adiabatic Gate (DRAG) approach [19] are used to mini- mize leakage to higher energy states of the resonator. Webthe qubit manifold, we implement “half derivative,” an experimental simplification of derivative reduction by adiabatic gate (DRAG) control theory. The phase errors are lowered by about a factor of five using this method to ∼1.6 per gate, and can be tuned … simple table creation

(PDF) Reduced phase error through optimized control of …

Category:Reduced derivative - Wikipedia

Tags:Derivative reduction by adiabatic gate

Derivative reduction by adiabatic gate

Gates in a Superconducting Circuit

WebJan 27, 2024 · One can also use the derivative removal by adiabatic gate (DRAG) approach 50, 51 in a single qubit gate, but this procedure is not suitable for general three-level systems. In this article,... WebOur result contains and improves the previously developed derivative removal by adiabatic gate technique [F. Motzoi , Phys. Rev. Lett.PRLTAO0031 …

Derivative reduction by adiabatic gate

Did you know?

WebJul 30, 2024 · Ii Derivative Removal by Adiabatic Gate (DRAG) To go beyond these simple pulses we introduce an adiabatic transformation V that allows us to work entirely in the qubit subspace. This transformation is V (t) = exp[−iEx(^σy 0,1 + λ^σy 1,2)/2Δ], (7) where Ex/Δ is the adiabaticity parameter. WebJan 13, 2011 · In order to correct for both phase and amplitude errors specific to virtual transitions and leakage outside of the qubit manifold, we implement 'half derivative', an experimental simplification of derivative reduction by adiabatic gate (DRAG) control …

WebApr 19, 2024 · One very promising method that recently emerged is the two-quadrature derivative-removal-by-adiabatic-gate (DRAG) technique [ 39, 40, 41 ]. DRAG allows high-fidelity qubit rotations with significant gate speedups. The main idea is that a second control pulse that is the time derivative of the first creates a spectral hole.

WebJan 18, 2011 · Our result contains and improves the previously developed derivative removal by adiabatic gate technique [F. Motzoi et al., Phys. Rev. Lett. 103, 110501 (2009)] and allows a generalization to other nonlinear oscillators with more than one leakage … Webreview the Derivative Removal by Adiabatic Gate (DRAG) framework. DRAG is multi-transition variant of counterdiabatic driving, where multiple low-lying gapped states in an adiabatic evolution can be avoided simultaneously, greatly reducing operation times …

WebOct 15, 2010 · In order to correct for both phase and amplitude errors specific to virtual transitions and leakage outside of the qubit manifold, we implement 'half derivative', an experimental simplification of derivative reduction by adiabatic gate (DRAG) control …

WebMar 21, 2024 · In this work, we used the Derivative Reduction by Adiabatic Gate (DRAG) technique, proposed in Ref. , and largely employed in literature for the reduction of SPAM errors [75,76,78,86,87,88,89]. The DRAG technique corrects the pulse shape Ω ( t ) by introducing a term depending on the derivative of the control pulse d Ω ( t ) / d t [ 74 ], simple table creation in htmlWebFeb 11, 2024 · This work characterize single qubit gates in a superconducting qubit, and by refining the use of derivative reduction by adiabatic gate pulse shaping along with detuning of the pulses, gate errors consistently below 10-3 and leakage rates at the 10^ {-5} level are obtained. 126 PDF simple table centerpieces for weddingWebThird, the CZ gate uses adiabatic control that is nonstandard, as it partially moves into the avoided level crossing regime and then back out again, with the amplitude and time of the wave form adjusted to give a π phase shift to the 11 state. Typical solutions to an adiabatic problem consider moving through an avoided level crossing [18–20], rayer texte onenoteWebHere we show how to best utilize these virtual Z gates to both improve algorithms and correct pulse errors. We perform randomized benchmarking using a Clifford set of Hadamard and Z gates and show that the error per Clifford is reduced versus a set consisting of standard finite-duration X and Y gates. rayer shockwaveWebJun 20, 2016 · A method for the unsupervised control of quantum gates in near-term quantum computers is defined and it is proved that the non-stable quantum gate becomes controllable via a machine learning method if the quantum gates formulate an entangled gate structure. PDF Unsupervised Quantum Gate Control for Gate-Model Quantum … rayer texte google docWebcharacterize single qubit gates in a superconducting qubit, and by re ning our use of Derivative Reduction by Adiabatic Gate (DRAG) pulse shaping along with detuning of the pulses, we obtain gate errors consistently below 10 3 and leakage rates at the 10 5 level. … rayer texte discordWebderivative" an experimental simpli cation of derivative reduction by adiabatic gate (DRAG) control theory. The phase errors are lowered by about a factor of ve using this method to 1:6 per gate, and can be tuned to zero. Leakage outside the qubit manifold, to … rayer texte sur outlook