Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session K53: Novel Qubit-Qubit Coupling Approaches
3:00 PM–5:24 PM,
Tuesday, March 5, 2024
Room: 202AB
Sponsoring
Units:
DQI DCMP
Chair: Andrew Cleland, University of Chicago
Abstract: K53.00008 : Cryogenic microwave source for qubit read-out*
4:24 PM–4:36 PM
Presenter:
Ivan Grytsenko
(RIKEN, Japan)
Authors:
Ivan Grytsenko
(RIKEN, Japan)
Oleksiy Rybalko
(RIKEN, Japan; B. Verkin Institute for Low Temperature Physics and Engineering, Ukraine)
Yiran Tian
(RIKEN, Japan; Kazan Federal University, Russia)
Asher Jennings
(RIKEN, Japan)
Rajesh Mohan
(RIKEN, Japan)
Erika Kawakami
(RIKEN, Japan)
We present the recent development and experimental results of read-out electronics using a tunnel-diode cryogenic circuit with a tunable generated signal higher than 100 MHz. Thanks to the low power consumption an operating temperature range can be from 4 K to 30 mK. The phase noise was measured to be -20 dBc/Hz at an offset frequency of 10 Hz and -80 dBc/Hz at an offset frequency of 1 MHz. We also show its feasibility to be used for qubit read-out using a test device.
[1] J. P. G. Van Dijk, et al., IEEE J. Solid-State Circuits 55, 2930 (2020).
[2] J. C. Bardin, et al., IEEE J. Solid-State Circuits 54, 3043 (2019).
[3] S. Pauka, et al., Nat. Electron, 4, 64 (2021).
[4] K. L. Howe, et al., PRX Quantum 3, 010350 (2022).
*This work was supported by Yazaki foundation and RIKEN-Hakubi program
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