By Dr Andre Saraiva de Oliveira

Preprints

Vallabhapurapu H; Candido M; Choudhary K; Steinacker P; Vahapoglu E; Escott C; Lim WH; Saraiva A; Stuyck ND; Feng M, 2026, Machine Learning for Charge State Characterization of Isolated Double Quantum Dots, http://dx.doi.org/10.48550/arxiv.2607.20871

Steinacker P; Seedhouse AE; Stuyck ND; Tanttu T; Feng M; Serrano S; Vahapoglu E; Bartee SK; Mai PY; Shaw A; Nickl A; Pauka S; Harlech-Jones B; Dehollain JP; Hudson FE; Chan KW; Ohki TA; Reilly D; Escott CC; Yang CH; Lim WH; Laucht A; Saraiva A; Dzurak AS; Cole JH, 2026, Optimal operating temperature for industry-compatible silicon spin quantum computing: colder is not necessarily better, http://dx.doi.org/10.48550/arxiv.2607.11846

Jones C; Huang JY; Serrano S; Feng M; Paz-Silva GA; Tanttu T; Steinacker P; Hudson FE; Lim WH; Abrosimov NV; Pohl H-J; Thewalt MLW; Dzurak AS; Saraiva A; Laucht A; Yang CH, 2026, Multi-Qubit Entanglement of Unit Cell Pairs in SiMOS, http://dx.doi.org/10.48550/arxiv.2605.20781

Rahman MM; Vahapoglu E; Chan KW; Tanttu T; Dash A; Huang JY; Yianni S; Chenniappan V; Cifuentes JD; Hudson F; Escott CC; Lee YK; Stuyck ND; Laucht A; Morello A; Saraiva A; Cole JH; Dzurak AS; Lim WH, 2026, Gate Stack Engineering for High-Mobility and Low-Noise SiMOS Quantum Devices, http://dx.doi.org/10.48550/arxiv.2603.02814

Lin S-C; Steinacker P; Feng M; Dash A; Serrano S; Lim WH; Itoh KM; Hudson FE; Tanttu T; Saraiva A; Laucht A; Dzurak AS; Goan H-S; Yang CH, 2026, Interplay of Zeeman Splitting and Tunnel Coupling in Coherent Spin Qubit Shuttling, http://dx.doi.org/10.48550/arxiv.2507.15554

Jones C; Wysocki P; Feng M; Paz-Silva GA; Ostrove CI; Tanttu T; Rudinger KM; Bartee SK; Young K; Hudson FE; Lim WH; Abrosimov NV; Pohl H-J; Thewalt MLW; Blume-Kohout R; Dzurak AS; Saraiva A; Laucht A; Yang CH, 2026, Mid-circuit logic executed in the qubit layer of a quantum processor, http://dx.doi.org/10.48550/arxiv.2512.12648

Mai PY; Pereira PH; Alonso LA; Leon RCC; Yang CH; Hwang JCC; Dunmore D; Lemyre JC; Tanttu T; Huang W; Chan KW; Tan KY; Cifuentes JD; Hudson FE; Itoh KM; Laucht A; Pioro-Ladrière M; Escott CC; Dzurak A; Saraiva A; Souza RDME; Feng M, 2025, Enhancement of Electric Drive in Silicon Quantum Dots with Electric Quadrupole Spin Resonance, http://dx.doi.org/10.48550/arxiv.2502.01040

Steinacker P; Goenka G; Su RY; Tanttu T; Lim WH; Serrano S; Botzem T; Cifuentes JD; Lim SQ; McCallum JC; Johnson BC; Hudson FE; Chan KW; Escott CC; Saraiva A; Yang CH; Mourik V; Morello A; Dzurak AS; Laucht A, 2025, Coupling a $^{73}$Ge nuclear spin to an electrostatically defined quantum dot, http://dx.doi.org/10.48550/arxiv.2510.03981

Dash A; Tripathi SP; Georgakopoulos D; Feng M; Yianni S; Vahapoglu E; Rahman MM; Bonen S; Brace O; Huang JY; Lim WH; Chan KW; Gilbert W; Laucht A; Morello A; Saraiva A; Escott CC; Voinigescu SP; Dzurak AS; Tanttu T, 2025, Scalable quantum current source on commercial CMOS process technology, http://dx.doi.org/10.48550/arxiv.2506.15956

Lim WH; Tanttu T; Youn T; Huang JY; Serrano S; Dickie A; Yianni S; Hudson FE; Escott CC; Yang CH; Laucht A; Saraiva A; Chan KW; Cifuentes JD; Dzurak AS, 2025, A 2x2 quantum dot array in silicon with fully tuneable pairwise interdot coupling, http://dx.doi.org/10.48550/arxiv.2411.13882

Sarkar A; Chowdhury P; Hu X; Saraiva A; Dzurak AS; Hamilton AR; Rahman R; Culcer D, 2025, Effect of disorder and strain on the operation of planar Ge hole spin qubits, http://dx.doi.org/10.48550/arxiv.2502.06949

Seedhouse AE; Stuyck ND; Serrano S; Tanttu T; Gilbert W; Huang JY; Hudson FE; Itoh KM; Laucht A; Lim WH; Yang CH; Dzurak AS; Saraiva A, 2025, Wavelet correlation noise analysis for qubit operation variable time series, http://dx.doi.org/10.48550/arxiv.2309.12542

Steinacker P; Stuyck ND; Lim WH; Tanttu T; Feng M; Nickl A; Serrano S; Candido M; Cifuentes JD; Hudson FE; Chan KW; Kubicek S; Jussot J; Canvel Y; Beyne S; Shimura Y; Loo R; Godfrin C; Raes B; Baudot S; Wan D; Laucht A; Yang CH; Saraiva A; Escott CC; De Greve K; Dzurak AS, 2024, A 300 mm foundry silicon spin qubit unit cell exceeding 99% fidelity in all operations, http://dx.doi.org/10.48550/arxiv.2410.15590

Stuyck ND; Saraiva A; Gilbert W; Pardo JC; Li R; Escott CC; De Greve K; Voinigescu S; Reilly DJ; Dzurak AS, 2024, CMOS compatibility of semiconductor spin qubits, http://dx.doi.org/10.48550/arxiv.2409.03993

Steinacker P; Tanttu T; Lim WH; Stuyck ND; Feng M; Serrano S; Vahapoglu E; Su RY; Huang JY; Jones C; Itoh KM; Hudson FE; Escott CC; Morello A; Saraiva A; Yang CH; Dzurak AS; Laucht A, 2024, Violating Bell's inequality in gate-defined quantum dots, http://dx.doi.org/10.48550/arxiv.2407.15778

Cifuentes JD; Tanttu T; Gilbert W; Huang JY; Vahapoglu E; Leon RCC; Serrano S; Otter D; Dunmore D; Mai PY; Schlattner F; Feng M; Itoh K; Abrosimov N; Pohl H-J; Thewalt M; Laucht A; Yang CH; Escott CC; Lim WH; Hudson FE; Rahman R; Dzurak AS; Saraiva A, 2024, Bounds to electron spin qubit variability for scalable CMOS architectures, http://dx.doi.org/10.48550/arxiv.2303.14864

Liang DH; Feng M; Mai PY; Cifuentes JD; Dzurak AS; Saraiva A, 2024, Electronic Correlations in Multielectron Silicon Quantum Dots, http://dx.doi.org/10.48550/arxiv.2407.04289

Tanttu T; Lim WH; Huang JY; Stuyck ND; Gilbert W; Su RY; Feng M; Cifuentes JD; Seedhouse AE; Seritan SK; Ostrove CI; Rudinger KM; Leon RCC; Huang W; Escott CC; Itoh KM; Abrosimov NV; Pohl H-J; Thewalt MLW; Hudson FE; Blume-Kohout R; Bartlett SD; Morello A; Laucht A; Yang CH; Saraiva A; Dzurak AS, 2024, Assessment of error variation in high-fidelity two-qubit gates in silicon, http://dx.doi.org/10.48550/arxiv.2303.04090

Hansen I; Seedhouse AE; Serrano S; Nickl A; Feng M; Huang JY; Tanttu T; Stuyck ND; Lim WH; Hudson FE; Itoh KM; Saraiva A; Laucht A; Dzurak AS; Yang CH, 2023, Entangling gates on degenerate spin qubits dressed by a global field, http://dx.doi.org/10.48550/arxiv.2311.09567

Su RY; Huang JY; Stuyck ND; Feng MK; Gilbert W; Evans TJ; Lim WH; Hudson FE; Chan KW; Huang W; Itoh KM; Harper R; Bartlett SD; Yang CH; Laucht A; Saraiva A; Tanttu T; Dzurak AS, 2023, Characterizing non-Markovian Quantum Process by Fast Bayesian Tomography, http://dx.doi.org/10.48550/arxiv.2307.12452

Wang Z; Sarkar A; Liles SD; Saraiva A; Dzurak AS; Hamilton AR; Culcer D, 2023, Electrical operation of hole spin qubits in planar MOS silicon quantum dots, http://dx.doi.org/10.48550/arxiv.2309.12243

Stuyck ND; Seedhouse AE; Serrano S; Tanttu T; Gilbert W; Huang JY; Hudson F; Itoh KM; Laucht A; Lim WH; Yang CH; Saraiva A; Dzurak AS, 2023, Real-time feedback protocols for optimizing fault-tolerant two-qubit gate fidelities in a silicon spin system, http://dx.doi.org/10.48550/arxiv.2309.12541

Dash A; Yianni S; Feng M; Hudson F; Saraiva A; Dzurak AS; Tanttu T, 2023, Silicon charge pump operation limit above and below liquid helium temperature, http://dx.doi.org/10.48550/arxiv.2309.05896

Cifuentes JD; Tanttu T; Steinacker P; Serrano S; Hansen I; Slack-Smith JP; Gilbert W; Huang JY; Vahapoglu E; Leon RCC; Stuyck ND; Itoh K; Abrosimov N; Pohl H-J; Thewalt M; Laucht A; Yang CH; Escott CC; Hudson FE; Lim WH; Rahman R; Dzurak AS; Saraiva A, 2023, Impact of electrostatic crosstalk on spin qubits in dense CMOS quantum dot arrays, http://dx.doi.org/10.48550/arxiv.2309.01849

Guo KS; Feng M; Huang JY; Gilbert W; Itoh KM; Hudson FE; Chan KW; Lim WH; Dzurak AS; Saraiva A, 2023, Methods for transverse and longitudinal spin-photon coupling in silicon quantum dots with intrinsic spin-orbit effect, http://dx.doi.org/10.48550/arxiv.2308.12626

Huang JY; Su RY; Lim WH; Feng M; van Straaten B; Severin B; Gilbert W; Stuyck ND; Tanttu T; Serrano S; Cifuentes JD; Hansen I; Seedhouse AE; Vahapoglu E; Abrosimov NV; Pohl H-J; Thewalt MLW; Hudson FE; Escott CC; Ares N; Bartlett SD; Morello A; Saraiva A; Laucht A; Dzurak AS; Yang CH, 2023, High-fidelity operation and algorithmic initialisation of spin qubits above one kelvin, http://dx.doi.org/10.48550/arxiv.2308.02111

Cifuentes JD; Mai PY; Schlattner F; Ercan HE; Feng M; Escott CC; Dzurak AS; Saraiva A, 2023, Path integral simulation of exchange interactions in CMOS spin qubits, http://dx.doi.org/10.48550/arxiv.2307.03455

Serrano S; Feng M; Lim WH; Seedhouse AE; Tanttu T; Gilbert W; Escott CC; Abrosimov NV; Pohl H-J; Thewalt MLW; Hudson FE; Saraiva A; Dzurak AS; Laucht A, 2023, Improved Single-Shot Qubit Readout Using Twin RF-SET Charge Correlations, http://dx.doi.org/10.48550/arxiv.2307.07724

Sarkar A; Wang Z; Rendell M; Hendrickx NW; Veldhorst M; Scappucci G; Khalifa M; Salfi J; Saraiva A; Dzurak AS; Hamilton AR; Culcer D, 2023, Electrical operation of planar Ge hole spin qubits in an in-plane magnetic field, http://dx.doi.org/10.48550/arxiv.2307.01451

Hansen I; Seedhouse AE; Saraiva A; Dzurak AS; Yang CH, 2023, Accessing the Full Capabilities of Filter Functions: A Tool for Detailed Noise and Control Susceptibility Analysis, http://dx.doi.org/10.48550/arxiv.2303.01660

Feng M; Yoneda J; Huang W; Su Y; Tanttu T; Yang CH; Cifuentes JD; Chan KW; Gilbert W; Leon RCC; Hudson FE; Itoh KM; Laucht A; Dzurak AS; Saraiva A, 2023, Control of dephasing in spin qubits during coherent transport in silicon, http://dx.doi.org/10.48550/arxiv.2207.11865

Wang Z; Feng M; Serrano S; Gilbert W; Leon RCC; Tanttu T; Mai P; Liang D; Huang JY; Su Y; Lim WH; Hudson FE; Escott CC; Morello A; Yang CH; Dzurak AS; Saraiva A; Laucht A, 2022, Jellybean quantum dots in silicon for qubit coupling and on-chip quantum chemistry, http://dx.doi.org/10.48550/arxiv.2208.04724

Vallabhapurapu HH; Adambukulam C; Saraiva A; Laucht A, 2022, Indirect control of the 29SiV- nuclear spin in diamond, http://dx.doi.org/10.48550/arxiv.2203.10283

Gilbert W; Tanttu T; Lim WH; Feng M; Huang JY; Cifuentes JD; Serrano S; Mai PY; Leon RCC; Escott CC; Itoh KM; Abrosimov NV; Pohl H-J; Thewalt MLW; Hudson FE; Morello A; Laucht A; Yang CH; Saraiva A; Dzurak AS, 2022, On-demand electrical control of spin qubits, http://dx.doi.org/10.48550/arxiv.2201.06679

Dzurak AS; Epps J; Laucht A; Malaney R; Morello A; Nurdin HI; Pla JJ; Saraiva A; Yang CH, 2021, Development of an Undergraduate Quantum Engineering Degree, http://dx.doi.org/10.48550/arxiv.2110.12598

Vahapoglu E; Slack-Smith JP; Leon RCC; Lim WH; Hudson FE; Day T; Cifuentes JD; Tanttu T; Yang CH; Saraiva A; Abrosimov NV; Pohl H-J; Thewalt MLW; Laucht A; Dzurak AS; Pla JJ, 2021, Coherent control of electron spin qubits in silicon using a global field, http://dx.doi.org/10.48550/arxiv.2107.14622

Hansen I; Seedhouse AE; Chan KW; Hudson F; Itoh KM; Laucht A; Saraiva A; Yang CH; Dzurak AS, 2021, Implementation of the SMART protocol for global qubit control in silicon, http://dx.doi.org/10.48550/arxiv.2108.00836

Hansen I; Seedhouse AE; Saraiva A; Laucht A; Dzurak AS; Yang CH, 2021, The SMART protocol -- Pulse engineering of a global field for robust and universal quantum computation, http://dx.doi.org/10.48550/arxiv.2108.00776

Seedhouse AE; Hansen I; Laucht A; Yang CH; Dzurak AS; Saraiva A, 2021, Quantum Computation Protocol for Dressed Spins in a Global Field, http://dx.doi.org/10.48550/arxiv.2108.00798

Evans TJ; Huang W; Yoneda J; Harper R; Tanttu T; Chan KW; Hudson FE; Itoh KM; Saraiva A; Yang CH; Dzurak AS; Bartlett SD, 2021, Fast Bayesian tomography of a two-qubit gate set in silicon, http://dx.doi.org/10.48550/arxiv.2107.14473

Saraiva A; Lim WH; Yang CH; Escott CC; Laucht A; Dzurak AS, 2021, Materials for Silicon Quantum Dots and their Impact on Electron Spin Qubits, http://dx.doi.org/10.48550/arxiv.2107.13664

Huang JY; Lim WH; Leon RCC; Yang CH; Hudson FE; Escott CC; Saraiva A; Dzurak AS; Laucht A, 2021, A high-sensitivity charge sensor for silicon qubits above one kelvin, http://dx.doi.org/10.48550/arxiv.2103.06433

Seedhouse A; Tanttu T; Leon RCC; Zhao R; Tan KY; Hensen B; Hudson FE; Itoh KM; Yoneda J; Yang CH; Morello A; Laucht A; Coppersmith SN; Saraiva A; Dzurak AS, 2021, Pauli Blockade in Silicon Quantum Dots with Spin-Orbit Control, http://dx.doi.org/10.48550/arxiv.2004.07078

Terrazos LA; Marcellina E; Wang Z; Coppersmith SN; Friesen M; Hamilton AR; Hu X; Koiller B; Saraiva AL; Culcer D; Capaz RB, 2021, Theory of Hole-Spin Qubits in Strained Germanium Quantum Dots, http://dx.doi.org/10.48550/arxiv.1803.10320

Joecker B; Baczewski AD; Gamble JK; Pla JJ; Saraiva A; Morello A, 2020, Full configuration interaction simulations of exchange-coupled donors in silicon using multi-valley effective mass theory, http://dx.doi.org/10.48550/arxiv.2012.06293

Yoneda J; Huang W; Feng M; Yang CH; Chan KW; Tanttu T; Gilbert W; Leon RCC; Hudson FE; Itoh KM; Morello A; Bartlett SD; Laucht A; Saraiva A; Dzurak AS, 2020, Coherent spin qubit transport in silicon, http://dx.doi.org/10.48550/arxiv.2008.04020

Leon RCC; Yang CH; Hwang JCC; Lemyre JC; Tanttu T; Huang W; Huang JY; Hudson FE; Itoh KM; Laucht A; Pioro-Ladrière M; Saraiva A; Dzurak AS, 2020, Bell-state tomography in a silicon many-electron artificial molecule, http://dx.doi.org/10.48550/arxiv.2008.03968

Gilbert W; Saraiva A; Lim WH; Yang CH; Laucht A; Bertrand B; Rambal N; Hutin L; Escott CC; Vinet M; Dzurak AS, 2020, Single-electron operation of a silicon-CMOS 2x2 quantum dot array with integrated charge sensing, http://dx.doi.org/10.48550/arxiv.2004.11558

Chan KW; Sahasrabudhe H; Huang W; Wang Y; Yang HC; Veldhorst M; Hwang JCC; Mohiyaddin FA; Hudson FE; Itoh KM; Saraiva A; Morello A; Laucht A; Rahman R; Dzurak AS, 2020, Exchange coupling in a linear chain of three quantum-dot spin qubits in silicon, http://dx.doi.org/10.48550/arxiv.2004.07666

King E; Schoenfield JS; Calderón MJ; Koiller B; Saraiva A; Hu X; Jiang H; Friesen M; Coppersmith SN, 2020, Lifting of Spin Blockade by Charged Impurities in Si-MOS Double Quantum Dot Devices, http://dx.doi.org/10.48550/arxiv.1807.11064

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