NIST is working on a new method called **photonic quantum state imaging metrology** to study the quantum behavior of single molecules and nanoparticles. This technique uses **single photon imaging** to measure how these tiny particles maintain quantum coherence—essentially, how they stay in a quantum state without losing their special properties. The goal is to build a platform that can observe quantum effects like superposition and entanglement between individual particles, which are important for future quantum technologies.
The project involves creating a system with **cavity particle traps** and a **single photon interferometer** that uses **orbital angular momentum (OAM)** to manipulate and measure photons. This setup will allow scientists to track how quantum states change over time and understand how particles interact at the quantum level. The work is still in development, with a focus on improving measurement techniques and understanding fundamental quantum interactions. If successful, this could help advance quantum computing and other quantum technologies by providing more precise tools for studying and controlling quantum systems.
Source: https://www.nist.gov/programs-projects/photonic-quantum-state-imaging-metrology
Keywords: quantum coherence metrology, single photon state imaging, quantum entanglement
