Dephasing of a superconducting qubit induced by photon noise

P Bertet, I Chiorescu, G Burkard, K Semba, C Harmans… - Physical review …, 2005 - APS
coherence of our superconducting flux qubit coupled to a dc-SQUID oscillator is limited by
the oscillator thermal photon noise. By tuning the qubitqubit of energy splitting h q is coupled

Coherent manipulation of an Andreev spin qubit

M Hays, V Fatemi, D Bouman, J Cerrillo, S Diamond… - Science, 2021 - science.org
… the qubit area by a factor of more than a thousand without sacrificing coupling strengths. …
dielectric loss mechanisms prevalent in superconducting qubits, and experiments following the …

Strong tunable coupling between two distant superconducting spin qubits

M Pita-Vidal, JJ Wesdorp, LJ Splitthoff, A Bargerbos… - Nature Physics, 2024 - nature.com
coupling in situ. Our results demonstrate that integrating microscopic spin states into a
superconducting qubit … ASQ can be operated coherently with strong coupling of the spin states to …

Probing the quantum coherence of a nanomechanical resonator using a superconducting qubit: II. Implementation

MP Blencowe, AD Armour - New Journal of Physics, 2008 - iopscience.iop.org
qubit. We shall consider two types of superconducting qubit: a capacitively coupled charge
qubit, … box (CPB) [4, 5], and an inductively coupled flux qubit [6]. As we shall see, both types of …

Coherence properties of the 0-πqubit

P Groszkowski, AD Paolo, AL Grimsmo… - New Journal of …, 2018 - iopscience.iop.org
coupling does arise from disorder in C and E L , and can have important consequences on
the coherence of the 0-π qubit, … . Empirical evidence shows that superconducting qubits are …

Suppression of photon shot noise dephasing in a tunable coupling superconducting qubit

G Zhang, Y Liu, JJ Raftery, AA Houck - npj Quantum Information, 2017 - nature.com
… a superconducting qubit by eliminating its dispersive coupling to the readout cavity. This is
achieved in a tunable coupling qubit, where the qubit frequency and coupling … the coherence

Coherent manipulation of coupled Josephson charge qubits

YA Pashkin, T Yamamoto, O Astafiev… - … C: Superconductivity …, 2005 - Elsevier
coherent dynamics of a circuit containing two-coupled superconducting charge qubits. Each
… In other words, we have coherent oscillations in the first qubit while the second one remains …

ac Stark shift and dephasing of a superconducting qubit strongly coupled to a cavity field

DI Schuster, A Wallraff, A Blais, L Frunzio, RS Huang… - Physical Review Letters, 2005 - APS
… ) strong coupling between a Cooper pair box (CPB) [10] and a coherent microwave field in
a … rise to a large ac Stark shift of the qubit energy levels, analogous to the one observed in …

High-coherence fluxonium qubit

LB Nguyen, YH Lin, A Somoroff, R Mencia, N Grabon… - Physical Review X, 2019 - APS
… The devices reported in this work spectacularly break the old unwritten rule of superconducting
qubits design: For the best coherence, the number of Josephson junctions per qubit

Progress in superconducting qubits from the perspective of coherence and readout

YP Zhong, CY Li, HH Wang, Y Chen - Chinese Physics B, 2013 - iopscience.iop.org
… progress in the coherence and readout of superconducting qubits. … the coherence and
readout of superconducting qubits (For more comprehensive reviews on superconducting qubits, …