Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session C26: Superconducting Circuits: Josephson Amplifiers and Non-reciprocal Devices
2:30 PM–5:30 PM,
Monday, March 4, 2019
BCEC
Room: 160B
Sponsoring
Unit:
DQI
Chair: Jose Aumentado
Abstract: C26.00014 : Efficient qubit measurements with a nonreciprocal microwave amplifier
5:06 PM–5:18 PM
Presenter:
Florent Lecocq
(National Institute of Standards and Technology Boulder)
Authors:
Florent Lecocq
(National Institute of Standards and Technology Boulder)
Leonardo M Ranzani
(Raytheon BBN Technologies)
Gabriel Peterson
(National Institute of Standards and Technology Boulder)
Katarina Cicak
(National Institute of Standards and Technology Boulder)
X. Y. Jin
(National Institute of Standards and Technology Boulder)
Raymond Simmonds
(National Institute of Standards and Technology Boulder)
John Teufel
(National Institute of Standards and Technology Boulder)
Jose Aumentado
(National Institute of Standards and Technology Boulder)
In this talk we will discuss the measurement of a 3D transmon qubit with a Field-Programmable Josephson Amplifier (FPJA, [1]). The FPJA is programmed in situ by a set of microwave drives to perform reciprocal or nonreciprocal frequency conversion or amplification. For each mode of operation, we will monitor the qubit coherence and lifetime, as well as measurement efficiency and backaction.
[1] F. Lecocq. et al, ‘Nonreciprocal Microwave Signal Processing with a Field-Programmable Josephson Amplifier’, PHYSICAL REVIEW APPLIED 7, 024028 (2017)
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