From Block Diagrams to Bloch Spheres: Graphical Quantum Circuit Simulation in LabVIEW

• URL: http://arxiv.org/abs/2602.00643v2
• Date: Tue, 03 Feb 2026 07:45:15 GMT
• Title: From Block Diagrams to Bloch Spheres: Graphical Quantum Circuit Simulation in LabVIEW
• Authors: Murtaza Vefadar,
• Abstract summary: This paper introduces QuVI (Quantum Virtual Instrument), an open-source quantum circuit toolkit developed within the NI environment.<n>QuVI provides an intuitive, visual analog to standard quantum circuit notation.<n>By translating "Block Diagrams" directly into quantum state evolutions ("Blochs"), QuVI offers educators and researchers a powerful platform for prototyping quantum logic.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As quantum computing transitions from theoretical physics to engineering applications, there is a growing need for accessible simulation tools that bridge the gap between abstract linear algebra and practical implementation. While text-based frameworks (like Qiskit or Cirq) are standard, they often present a steep learning curve for students and engineers accustomed to graphical system design. This paper introduces QuVI (Quantum Virtual Instrument), an open-source quantum circuit toolkit developed natively within the NI LabVIEW environment. Moving beyond initial proof-of-concept models, QuVI establishes a robust framework that leverages LabVIEW's "dataflow" paradigm, in which wires represent data and nodes represent operations, to provide an intuitive, visual analog to standard quantum circuit notation while enabling the seamless integration of classical control structures like loops and conditionals. The toolkit's capabilities are demonstrated by constructing and visualizing fundamental quantum algorithms and verifying results against theoretical predictions. By translating "Block Diagrams" directly into quantum state evolutions ("Bloch Spheres"), QuVI offers educators and researchers a powerful platform for prototyping quantum logic without leaving the graphical engineering workspace.

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