System and method for modulating transition frequency of superconducting quantum bits

The invention provides a system for modulating the transition frequency of superconducting quantum bits. The system comprises at least one bias line of the radio frequency superconducting quantum interference device, which is used for transmitting an electric signal for regulating and controlling the state of the radio frequency superconducting quantum interference device; the at least one radio frequency superconducting quantum interference device is located on the chip and is placed near the superconducting quantum bit, and the lag parameter of the radio frequency superconducting quantum interference device is greater than 1; and at least one superconducting quantum bit, the transition frequency of the superconducting quantum bit being modulated by means of external magnetic flux. The invention also provides a method for modulating the transition frequency of the superconducting quantum bit. 本发明提供了一种用于调制超导量子比特跃迁频率的系统。该系统包括：至少一根射频超导量子干涉装置的偏置线，用于传输调控射频超导量子干涉装置状态的电信号；至少一个射频超导量子干涉装置，其中，射频超导量子干涉装置位于芯片上并放置于超导量子比特