Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session W07: Quantum Amplifiers, Bolometers, and Detectors
8:00 AM–11:00 AM,
Friday, March 6, 2020
Room: 102
Sponsoring
Unit:
DQI
Chair: Guilhem Ribeill, BBN Technology - Massachusetts
Abstract: W07.00011 : Gain calibration of a cryogenic amplification chain using normal-metal–insulator–superconductor junctions
Presenter:
Máté Jenei
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Authors:
Máté Jenei
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Eric Hyyppä
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Shumpei Masuda
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Kuan Yen Tan
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Vasilii Sevriuk
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Matti Silveri
(Research Unit of Nano and Molecular Systems, University of Oulu)
Jan Goetz
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Matti Partanen
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Russell Lake
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
Leif Grönberg
(QTF Center of Excellence, VTT Technical Research Centre of Finland)
Mikko Mottonen
(QCD Labs, QTF Center of Excellence, Department of Applied Physics, Aalto University)
We present a gain calibration scheme [1] that utilizes a normal-metal–insulator–superconductor junction, which is capacitively coupled to a superconducting microwave resonator [2]. Depending on the bias voltage applied to the junction, the nanostructure can be employed as a quantum-circuit refrigerator [3] or as an incoherent photon source [4]. For the latter case, we derive an analytic expression for the total gain that is based on only a single fitting parameter. We present our experimental results where we reach 0.1 dB relative uncertainty of the total gain in a three-stage amplification chain.
[1] - E. Hyyppä et al. Appl. Phys. Lett. 114, 192603 (2019)
[2] - M. Silveri et al. Phys. Rev. B 9, 96, 094524 (2017)
[3] - K. Y. Tan et al. Nat. Commun 8, 15189 (2017)
[4] - S. Masuda et al. Sci. Rep. 8, 3966 (2018)
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