2022 International Conference on Solid State Devices and Materials

講演情報

Oral Presentation

Focus Session 1 (Area1&2&9)

[C-5] Quantum Computing III

2022年9月28日(水) 10:45 〜 12:00 103 (1F)

Session Chair: Yuichiro Matsuzaki (AIST), Takashi Tsuchiya (NIMS)

11:45 〜 12:00

[C-5-04] Mixed-mode RF reflectometry for reduction of crosstalk effects

〇Masato Machida1, Raisei Mizokuchi, Jun Yoneda, Takashi Tomura, Tetsuo Kodera (1. Tokyo Inst of Tech (Japan))

Presentation style: On-site (in-person)

https://doi.org/10.7567/SSDM.2022.C-5-04

RF reflectometry is a promising technique for spin qubit readout, suitable for large-scale integrated qubit systems by combination with multiplexing techniques and gate-based readout. However, in such a system, it is suspected that the accuracy of RF readout of individual qubits can be degraded by crosstalk among dense RF readout lines. In this study, we propose a mixed-mode RF reflectometry to reduce the effect of the crosstalk and verify its effectiveness by electromagnetic field simulations. The results of the simulations show the possibility of sup-pressing the effects of crosstalk by using mixed modes.

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