Quantum control pulse generation method, device, and storage medium

An electronic device, comprising:

• at least one processor;
• and
• a memory communicatively connected to the at least one processor, wherein
• the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to:
• construct, based on relevant physical parameters of a target quantum hardware structure, a system Hamiltonian of a quantum system characterized by the target quantum hardware structure, wherein the target quantum hardware structure is used to achieve a target quantum task;
• obtain an initial control pulse set matching the target quantum hardware structure, wherein the initial control pulse set comprises at least one initial control pulse used to be applied to a qubit in the target quantum hardware structure;
• obtain, based on the system Hamiltonian, system state information of the quantum system by simulation, wherein the system state information characterizes state information of the quantum system obtained by simulation after an application of the initial control pulse to the qubit in the target quantum hardware structure;
• and
• optimize the initial control pulse in the initial control pulse set based on at least a relationship between the system state information of the quantum system and target state information that needs to be achieved by the target quantum task, to obtain a target control pulse sequence by simulation, wherein the target quantum task can be achieved after the target control pulse sequence is applied to the qubit in the target quantum hardware structure.

A non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions, when executed by a computer, cause the computer to:

• construct, based on relevant physical parameters of a target quantum hardware structure, a system Hamiltonian of a quantum system characterized by the target quantum hardware structure, wherein the target quantum hardware structure is used to achieve a target quantum task;
• obtain an initial control pulse set matching the target quantum hardware structure, wherein the initial control pulse set comprises at least one initial control pulse used to be applied to a qubit in the target quantum hardware structure;
• obtain, based on the system Hamiltonian, system state information of the quantum system by simulation, wherein the system state information characterizes state information of the quantum system obtained by simulation after an application of the initial control pulse to the qubit in the target quantum hardware structure;
• and
• optimize the initial control pulse in the initial control pulse set based on at least a relationship between the system state information of the quantum system and target state information that needs to be achieved by the target quantum task, to obtain a target control pulse sequence by simulation, wherein the target quantum task can be achieved after the target control pulse sequence is applied to the qubit in the target quantum hardware structure.