Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session B48: Quantum Error Correction with Novel Qubits and Codes I
11:30 AM–1:54 PM,
Monday, March 4, 2024
Room: 200E
Sponsoring
Unit:
DQI
Chair: Tyler Ellison, Yale University
Abstract: B48.00001 : Quantum error correction with two bosonic modes*
11:30 AM–11:42 AM
Presenter:
Cassady Smith
(Yale University)
Authors:
Cassady Smith
(Yale University)
Akshay Koottandavida
(Yale University)
Luigi Frunzio
(Yale University)
Michel H Devoret
(Yale University)
Ioannis Tsioutsios
(Yale University)
Aikaterini Kargioti
(Yale University)
Alessandro Miano
(Yale University)
Vidul R Joshi
(Yale University)
In recent years there has been a lot of progress with qubits encoded in states of single bosonic modes.
However, logical qubits encoded in the joint Hilbert space of two bosonic modes offer simpler error syndromes in comparison.
Advantageously, the error syndromes for these codes can be engineered in such a way that they are transparent to ancilla errors.
In our experiment, we explore these two-mode bosonic encodings for quantum error correction in 3D superconducting microwave architecture.
We use a cross-Kerr tuning parametric process, which was recently demonstrated in a single mode system, to dynamically modify the interaction
Hamiltonian between the bosonic modes and an ancilla transmon. We use this method to also perform joint-Wigner tomography on the two-mode
states.
*Work supported by: ARO, NSF, AFOSR, DOE and YINQE
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