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8 papers · 2 filters
Universal quantum logic in hot silicon qubits
L. Petit, H. G. J. Eenink, M. Russ +5
Quantum computation requires many qubits that can be coherently controlled and coupled to each other. Qubits that are defined using lithographic techniques are often argued to be p…
Multiplexed quantum transport using commercial off-the-shelf CMOS at sub-kelvin temperatures
B. Paquelet Wuetz, P. L. Bavdaz, L. A. Yeoh +10
Continuing advancements in quantum information processing have caused a paradigm shift from research mainly focused on testing the reality of quantum mechanics to engineering qubit…
Tunable coupling and isolation of single electrons in silicon metal-oxide-semiconductor quantum dots
H. G. J. Eenink, L. Petit, W. I. L. Lawrie +3
Extremely long coherence times, excellent single-qubit gate fidelities and two-qubit logic have been demonstrated with silicon metal-oxide-semiconductor spin qubits, making it one…
Exciton gas transport through nano-constrictions
Chao Xu, J. R. Leonard, C. J. Dorow +4
An indirect exciton is a bound state of an electron and a hole in spatially separated layers. Two-dimensional indirect excitons can be created optically in heterostructures contain…
Wurtzite Phonons and the Mobility of a GaN/AlN 2D Hole Gas
Samuel James Bader, Reet Chaudhuri, Martin Schubert +3
To make complementary GaN electronics more than a pipe dream, it is essential to understand the low mobility of 2D hole gases in III-Nitride heterostructures. This work derives bot…
Spatial Noise Correlations in a Si/SiGe Two-Qubit Device from Bell State Coherences
Jelmer M. Boter, Xiao Xue, Tobias S. Krähenmann +10
We study spatial noise correlations in a Si/SiGe two-qubit device with integrated micromagnets. Our method relies on the concept of decoherence-free subspaces, whereby we measure t…