PsiQuantum

Global funding for quantum technology is undergoing a massive paradigm shift toward commercialized financial applications and infrastructure security. Major economies and institutions are deploying billions of dollars to advance quantum-enabled risk analysis, portfolio optimization, and cryptographic resilience.

The article details the diverse landscape of quantum computing hardware architectures, comparing superconducting, trapped-ion, photonic, neutral-atom, and topological approaches. It emphasizes that technical metrics like error correction and coherence time are more critical for practical utility than simple qubit counts.

Silicon photonics is emerging as a foundational technology for scaling quantum computers by replacing bulky free-space optics with integrated chip-scale circuits. This approach leverages mature semiconductor manufacturing to provide the precise optical control and connectivity required for large-scale, modular quantum systems.