Radio frequency system applied to quantum computing and local oscillator signal generation method

Abstract

A radio frequency system applied to quantum computing and a local oscillator signal generation method, the radio frequency system applied to quantum computing comprising: a radio frequency source configured to output a radio frequency signal; the power division unit is connected with the radio frequency source and is suitable for outputting a plurality of coherent first signals with the same frequency according to the radio frequency signal; wherein the power division unit is connected with a plurality of pieces of quantum computing equipment, the plurality of first signals are in one-to-one correspondence with the plurality of pieces of quantum computing equipment, and the plurality of first signals serve as local oscillator signals of the plurality of pieces of quantum computing equipment.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a radio frequency system and a local oscillator signal generation method used in quantum computing. Background technique [0002] A radio frequency source, also called a microwave source, generally provides a radio frequency signal source in radio frequency related applications as a local oscillator signal or a user-specified signal. Generally, the output frequency and output signal power can be set according to user needs and equipment capabilities. However, the general RF source has only one channel. Even if the device has multiple outputs, its structural source is often multiple channels that are completely independent. Such multiple RF source devices, or multiple output channels of a RF source, when outputting the same frequency, because of the inconsistency of various internal frequency multipliers and frequency modulation components, the output frequency will have freq...

AI Technical Summary

Problems solved by technology

The requirement for frequency consistency is that within a long period of time (often more than 24 hours, even from power-on to the end of the experiment), the output frequencies of all channels must be exactly the same, that is, the phase differences of the signals must be completely consistent. The phase difference of the signal, the change value of the phase difference needs to be less than 1 degree or even lower, and the classic RF source is difficult to meet the requirements of the same frequency and consistent phase difference

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