Robust photon-mediated entangling gates between quantum dot spin qubits

no code implementations • 27 Jan 2021 • Ada Warren, Utkan Güngördü, J. P. Kestner, Edwin Barnes, Sophia E. Economou

Significant experimental advances in single-electron silicon spin qubits have opened the possibility of realizing long-range entangling gates mediated by microwave photons.

Quantum Physics

Robust quantum gates using smooth pulses and physics-informed neural networks

no code implementations • 4 Nov 2020 • Utkan Güngördü, J. P. Kestner

The presence of decoherence in quantum computers necessitates the suppression of noise.

Quantum Physics Mesoscale and Nanoscale Physics

Microscopic bath effects on noise spectra in semiconductor quantum dot qubits

no code implementations • 7 Jul 2020 • Seongjin Ahn, S. Das Sarma, J. P. Kestner

When a system is thermally coupled to only a small part of a larger bath, statistical fluctuations of the temperature (more precisely, the internal energy) of this "sub-bath" around the mean temperature defined by the larger bath can become significant.

Mesoscale and Nanoscale Physics Quantum Physics