EmuPlat: A Framework-Agnostic Platform for Quantum Hardware Emulation with Validated Transpiler-to-Pulse Pipeline

Abstract

We present EmuPlat, a framework-agnostic quantum hardware emulation platform that addresses the interoperability gap between high-level quantum programming frameworks and hardware-specific pulse control systems. Unlike existing solutions that operate within isolated software stacks, EmuPlat provides a unified infrastructure enabling seamless integration across diverse quantum computing ecosystems, including CUDA-Q, Qiskit, and Qibolab. The platform implements a complete transpiler-compiler pipeline that systematically transforms abstract quantum circuits through four validated stages: (1) recursive gate decomposition to a minimal native set ${\mathcal{G}}_{\text{native}}=\{I,Z,RZ(\theta ),\text{GPI2}(\varphi ),CZ,M\}$, (2) virtual Z optimization implementing phase tracking without physical pulses, (3) connectivity-aware routing with automated SWAP insertion, and (4) deterministic pulse compilation respecting hardware timing constraints. Our modular architecture, based on clean architecture principles with a novel adapter pattern, supports extensible integration of multiple quantum dynamics simulation engines while maintaining consistent interfaces. We demonstrate EmuPlat's capabilities through comprehensive benchmarks on superconducting transmon architectures: Bell state preparation achieves 99.958\% fidelity with hardware-calibrated noise models, while 4-qubit Quantum Fourier Transform implementations successfully demonstrate scalable circuit execution. The platform's production-ready implementation, validated through end-to-end testing with TransformationValidator, establishes EmuPlat as essential infrastructure for accelerating hybrid quantum-classical algorithm development and hardware-software co-design.

8 pages, 4 figures

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