A Fully Integrated Three-Channel Cryogenic Microwave SoC for Qubit State Control in 9Be+ Trapped-Ion Quantum Computer operating at 4 K

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This paper presents a fully integrated System-on-Chip operating from 295 K down to 4 K, capable of generating 0.7 GHz to 1.5 GHz microwave signals for9Be+trapped-ion quantum computer realizations. The proposed design comprises a three-channel waveform generator with integrated 48 kbit memory to generate arbitrary envelope-modulated control signals while consuming only 94 mW, which in the targeted system results in 1.9 mW/qubit. The IC is capable of driving multiple electrodes as required for all gate operations. The chip was fabricated in a 0.13µm SiGe BiCMOS technology. To the best of the authors’ knowledge, this is the first reported integrated SoC solution for qubit state control in a trapped-ion quantum computer.

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