From Solid-State Spin Defects to Fluorescent Proteins: A Perspective on Quantum Optical Sensing Platforms for Biomedical Applications
Quantum optical sensing has advanced from solid-state spin defects like diamond's NV centers to biological integration using fluorescent proteins. The research explores these platforms for detecting weak signals in living systems, focusing on overcoming challenges like coherence loss and surface noise. Future success depends on engineering stable, biocompatible probes for single-molecule analysis.