Abstract: Provided are a method for determining crosstalk of qubits, a quantum control system, and a quantum computer. The method includes: performing a Ramsey experiment on a first qubit, where between two X/2 quantum logic gates in the Ramsey experiment, first and second electrical signals are applied to first and second qubits, adjusting an amplitude of the second electrical signal for multiple times so that the second qubit causes a crosstalk effect on the first qubit, and acquiring a crosstalk coefficient of the second qubit to the first qubit by linearly fitting a relationship between an amplitude of the first electrical signal affected by crosstalk and the corresponding amplitude of the second electrical signal.

Abstract: A quantum computer architecture system, including: a quantum processor, including a plurality of qubits; a first integration apparatus configured to implement an execution signal and aggregation of execution results of a first quantity of qubits on the quantum processor; and a central control apparatus configured to acquire bit information of to-be-executed qubits on the quantum processor and to-be-executed information of each of the to-be-executed qubits, assign the to-be-executed information to one or more the first integration apparatuses according to the bit information and the first quantity, and receive the aggregation of the execution results from the one or more the first integration apparatuses. According to the present disclosure, integration and scalability of a quantum computer can be improved.

Abstract: A quantum parameter amplifier; the quantum parameter amplifier includes a capacitor module, a first microwave resonant cavity, and an inductance-adjustable superconducting quantum interference apparatus that are connected in sequence to constitute an oscillation amplifier circuit, wherein, the superconducting quantum interference apparatus is grounded; the quantum parameter amplifier further includes a voltage modulating circuit and/or a second microwave resonant cavity; one end of the voltage modulating circuit is connected with an end of the superconducting quantum interference apparatus that is close to the first microwave resonant cavity; and one end of the second microwave resonant cavity is connected with the end of the superconducting quantum interference apparatus that is close to the first microwave resonant cavity.

Abstract: Disclosed are a quantum topology graph optimization method, apparatus, terminal and storage medium, comprising: obtaining a first quantum topology graph of a target quantum algorithm, determining an intermediate node in the first quantum topology graph, and removing connecting lines between other graph nodes other than the intermediate node so as to obtain a second quantum topology graph without the crossed connecting lines; if not, updating the first quantum topology graph to a third quantum topology graph; determining an optimized sub-graph corresponding to one node to be optimized and composed of N child nodes connected by connecting lines according to a preset way, assigning connecting lines between non-optimized nodes and each child node so as to obtain a fourth quantum topology graph; restoring connecting lines between non-optimized nodes in the fourth quantum topology graph so as to obtain an optimized quantum topology graph.

Abstract: Embodiments of the present specification provide a quantum chip controller, a quantum computing processing system, and an electronic apparatus. The quantum chip controller includes: an instruction execution unit for executing a quantum instruction to generate a quantum event and its corresponding time point; and a quantum chip queue control unit including: an event queue for storing a quantum event to be executed, a time queue for storing a time point corresponding to the quantum event to be executed, and a time counter for counting time, wherein when time being counted in the time counter is equal to a time point in the time queue, a quantum event corresponding to the time point is read out from the event queue and is to be executed by a quantum chip, and wherein the time counter includes an enabling control section for controlling starting and pausing of counting of the time counter.

Abstract: Embodiments of the disclosure provide a quantum chip system, a quantum computing processing system and an electronic apparatus, wherein one quantum chip system includes at least one first qubit, each first qubit includes at least two control electrodes, and a first event register for controlling the control electrode, wherein each first event register is configured for storing a control signal of the control electrode, and each first qubit corresponds to at least two first event registers.

Abstract: The present disclosure provides a method and a system for generating a quantum bit control signal. The method includes: receiving a first tag code and a first standard signal corresponding to each basic quantum logic gate in a set of reference quantum gates from a master computer; storing the first standard signal, and obtaining a first address code identifying a storage location of the first standard signal; receiving a target tag code and a target time code corresponding to each basic quantum logic gate in a target quantum program from the master computer; and obtaining, according to the target tag code and the target time code, the first standard signal corresponding to the basic quantum logic gate in the target quantum program as a signal to be processed, and processing the signal to be processed to obtain the quantum bit control signal.

Abstract: A quantum parameter amplifier; the quantum parameter amplifier includes a capacitor module, a first microwave resonant cavity, and an inductance-adjustable superconducting quantum interference apparatus that are connected in sequence to constitute an oscillation amplifier circuit, wherein, the superconducting quantum interference apparatus is grounded; the quantum parameter amplifier further includes a voltage modulating circuit and/or a second microwave resonant cavity; one end of the voltage modulating circuit is connected with an end of the superconducting quantum interference apparatus that is close to the first microwave resonant cavity; and one end of the second microwave resonant cavity is connected with the end of the superconducting quantum interference apparatus that is close to the first microwave resonant cavity.

Abstract: The present disclosure provides a method and a system for generating a quantum bit control signal. The method includes: receiving a first tag code and a first standard signal corresponding to each basic quantum logic gate in a set of reference quantum gates from a master computer; storing the first standard signal, and obtaining a first address code identifying a storage location of the first standard signal; receiving a target tag code and a target time code corresponding to each basic quantum logic gate in a target quantum program from the master computer; and obtaining, according to the target tag code and the target time code, the first standard signal corresponding to the basic quantum logic gate in the target quantum program as a signal to be processed, and processing the signal to be processed to obtain the quantum bit control signal.