Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session B26: Superconducting Circuits: Remote Entanglement and Waveguide QED
11:15 AM–2:15 PM,
Monday, March 4, 2019
BCEC
Room: 160B
Sponsoring
Unit:
DQI
Chair: Mollie Schwartz, MIT Lincoln Laboratory
Abstract: B26.00014 : Generation of a microwave time-bin qubit with a superconducting qubit
1:51 PM–2:03 PM
Presenter:
Jesper Ilves
(The University of Tokyo)
Authors:
Jesper Ilves
(The University of Tokyo)
Shota Yamazaki
(The University of Tokyo)
Shingo Kono
(The University of Tokyo)
Yoshiki Sunada
(The University of Tokyo)
Minkyu Kim
(The University of Tokyo)
Kazuki Koshino
(Tokyo Medical and Dental University)
Yasunobu Nakamura
(The University of Tokyo)
We experimentally demonstrate a protocol for deterministic on-demand generation of a time-bin qubit in the microwave regime through microwave-driven coherent control of a transmon qubit placed in a three-dimensional cavity. To perform quantum state tomography on a prepared time-bin qubit state, we apply iterative maximum likelihood estimation on time-bin encoded single-photon signal squeezed in different quadratures. We also discuss different factors affecting the time-bin qubit state preparation fidelity. Our protocol can be used as a means of realizing robust information transfer in quantum networks.
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