Preprint · June 16, 2025
SchroSIM: A Schrödinger-Inspired Scalable Quantum Photonic Circuit Simulator for Hardware-Agnostic Quantum Computing
Abstract
This technical concept note presents SchroSIM, a Schrödinger-inspired, scalable, and hardware-agnostic simulator for photonic quantum circuits. Developed in Swift, SchroSIM supports continuous-variable (CV) and non-Gaussian quantum operations, enabling the modeling and simulation of photonic circuits across multiple levels of abstraction. The simulator features a modular architecture comprising a SwiftUI-based graphical frontend, an intermediate circuit compiler, and simulation backends optimized for GPU acceleration via Apple's Metal framework. SchroSIM addresses current limitations in photonic simulation platforms by offering platform-independent benchmarking, circuit fidelity evaluation, and an extensible plugin system for future integration with quantum machine learning and symbolic modeling tools. This concept note outlines the simulator's design, core modules, simulation strategies, benchmarking framework, and a staged development roadmap. While implementation is ongoing, this preprint serves to timestamp the conceptual framework and invite collaborative development from the photonic quantum computing community.
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