'Imperfection itself becomes an asset' — Scientists find brilliant way to use messy quantum noise and…
- Scientists intentionally leak photons inside a silicon chip to study quantum disorder
- Quantum noise becomes measurable data instead of useless interference during experiments
- Silicon photonic chip studies messy quantum environments using programmable light pathways
A research team at KTH Royal Institute of Technology has built a silicon chip that uses light instead of electricity.
This chip does not try to eliminate quantum noise — those random fluctuations that normally ruin calculations — instead, the device deliberately allows some light particles, called photons, to leak away through a controlled pathway.
As these photons escape, scientists can measure exactly what gets lost and use that information productively.
A deliberate leak becomes a measuring tool
"The chip enables us to simulate those non-ideal processes in a controlled way," said Govind Krishna, a PhD student at KTH.
A portion of those traveling photons becomes redirected into a separate output that plays the role of...
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