arXiv 2409.084072024-09-12quant-phcs.ET

面向多样化量子控制硬件的基于图的脉冲表示

Graph-Based Pulse Representation for Diverse Quantum Control Hardware

Aniket S. Dalvi, Leon Riesebos, Jacob Whitlow, Kenneth R. Brown

AI总结：

针对传统电路模型无法支持脉冲级量子控制的问题，提出基于图的pulselib脉冲表示方法，采用参数化波形节点的图结构，借鉴经典编译AST模型，可适配多种硬件并支持囚禁离子等专属脉冲方案。

摘要：

量子系统的脉冲级控制对于实现门操作、校准流程以及哈密顿量演化至关重要，而这些功能从根本上无法被传统电路模型支持。这种控制级别同时需要高效的生成与表示方式。本研究中，我们提出pulselib——一种基于图的脉冲级表示方法。该方法采用图结构，其节点由参数化的基础波形构成，可存储所有高层脉冲信息，同时具备转换为硬件特定输入的灵活性。我们通过将pulselib的功能集与软件栈脉冲层的信息流，和现有脉冲表示方案进行对比，论证了pulselib的设计合理性。我们描述了该表示方法的架构，其借鉴了经典编译流程中的抽象语法树（AST）模型。最后，我们概述了该方法的应用场景，例如囚禁离子专属的门脉冲与搁置脉冲方案，得益于pulselib的图结构架构，这些方案的约束与实现都可被编写和表示。

英文摘要：

Pulse-level control of quantum systems is critical for enabling gate implementations, calibration procedures, and Hamiltonian evolution which fundamentally are not supported by the traditional circuit model. This level of control necessitates both efficient generation and representation. In this work, we propose pulselib - a graph-based pulse-level representation. A graph structure, with nodes consisting of parametrized fundamental waveforms, stores all the high-level pulse information while staying flexible for translation into hardware-specific inputs. We motivate pulselib by comparing its feature set and information flow through the pulse layer of the software stack with currently available pulse representations. We describe the architecture of this proposed representation that mimics the abstract syntax tree (AST) model from classical compilation pipelines. Finally, we outline applications like trapped-ion-specific gate and shelving pulse schemes whose constraints and implementation can be written and represented due to pulselib's graph-based architecture.

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