4 papers
Noise-Robust Spin-Orbit Qubit in Germanium Holes via p-Orbital Encoding
Yasuo Oda, Jason P. Kestner
Germanium hole spin qubits are a leading platform for semiconductor quantum computation due to their strong spin-orbit coupling, all-electrical operability, and absence of valley d…
Fast charge noise sensing using a spectator valley state in a singlet-triplet qubit
David W. Kanaar, Yasuo Oda, Mark F. Gyure +1
Semiconductor spin qubits are a promising platform for quantum computing but remain vulnerable to charge noise. Accurate, in situ measurement of charge noise could enable closed-lo…
Sparse Non-Markovian Noise Modeling of Transmon-Based Multi-Qubit Operations
Yasuo Oda, Kevin Schultz, Leigh Norris +2
The influence of noise on quantum dynamics is one of the main factors preventing current quantum processors from performing accurate quantum computations. Sufficient noise characte…
Suppressing Si Valley Excitation and Valley-Induced Spin Dephasing for Long-Distance Shuttling
Yasuo Oda, Merritt P. Losert, Jason P. Kestner
We present a scalable protocol for suppressing errors during electron spin shuttling in silicon quantum dots. The approach maps the valley Hamiltonian to a Landau-Zener problem to…