M. Ouvrier-Buffet, A. Siligaris, J. González-Jiménez
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Multi- Tone Frequency Generator for Gate-Based Readout of Spin Qubits
This paper presents a multi-tone frequency generator in the sub-10 GHz range. The implemented circuit allows to reduce the number of interconnections between the control electronics and the quantum processor layer during reflectometry readout of spin qubits. The circuit is fabricated in a 45nm CMOS SOI technology. It is able to generate a multi-tone signal spaced by 500 MHz with 2.3 dB power ripple between the tones. It achieves phase noise performances between −107 dBc/Hz and −112 dBc/Hz @1 MHz offset according the considered tones. The complete system presents a consumption of 84.4 m W for an area of 0.27 mm2.
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