Cut Noise.
Work Quantum.

The work provides a detailed Hamiltonian benchmark of a solid-state spin-photon interface (SPI) performance for key quantum computing protocols, incorporating realistic decoherence mechanisms like the Overhauser field and finite photon bandwidth.

Professionals need accurate theoretical benchmarks that account for experimental imperfections to design reliable quantum hardware and protocols. This analysis proves that using Hamiltonian dynamics yields fundamental limits, showing that achieving high-fidelity photon-photon gates is exceptionally challenging in current solid-state devices, but other resource generation protocols are viable. This informs device specifications and the design of necessary active error-mitigation strategies.