FPGA based waveform generation method for superconducting quantum bit manipulation
To address the issue of inadequate control waveform generation speed in current supercon-ducting quantum computers for future real-time feedback systems,this article presents a real-time Z quantum gate control waveform generation circuit.Additionally,we propose a hardware implementa-tion method that combines segmented fitting and lookup tables for the Gaussian error function in this context.Compared to traditional methods,this approach can effectively reduce resource consumption while meeting speed and accuracy requirements.The hardware implementation and performance test-ing of the Z quantum gate control waveform circuit were conducted on the Xilinx ZYNQ 7000 series FPGA.The results indicate that the circuit designed in the paper can generate Z quantum gate con-trol waveforms within 5 microseconds,meeting the requirements of future real-time feedback sys-tems for superconducting quantum computing.
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