Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session Z46: Broadband Parametric Amplifiers and Circulators
11:30 AM–2:18 PM,
Friday, March 8, 2024
Room: 200AB
Sponsoring
Unit:
DQI
Chair: Debopam Datta, VTT technical research centre of Finland
Abstract: Z46.00002 : A multi-mode traveling-wave Josephson converter for on-chip circulation: part II*
11:42 AM–11:54 AM
Presenter:
Matthieu Praquin
(Laboratoire de Physique de l'Ecole normale supérieure)
Authors:
Matthieu Praquin
(Laboratoire de Physique de l'Ecole normale supérieure)
Vincent Lienhard
(Laboratoire de Physique de l'Ecole normale supérieure, Inria)
Aron Vanselow
(Laboratoire de Physique de l'Ecole normale supérieure, Inria)
Zaki Leghtas
(Mines ParisTech)
Phillipe Campagne-Ibarcq
(Ecole Normale Superieure)
In this two-part talk, we introduce a novel method that utilizes a two-mode transmission line doped with Josephson junctions. A traveling-wave pump applied on one mode activates a directional photon conversion process on the second mode, ultimately leading to circulation within the circuit. Our approach offers the advantage of broad tunability, high isolation, and is compatible with traveling-wave amplification.
In this second part, I will present the performances and limitations of our device.
*We acknowledge support by the European Research Council (grant agreement No. 101042304) and the Plan France 2030 through the project ANR-22-PETQ-0006.
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