A
Based on the article provided, here are three key points regarding the development of a quantum internet:
1. Building an "Unhackable" Network
The company Qunnect is developing hardware to share quantum-entangled photons (particles of light) across existing fiber-optic cables. Because entangled photons are extremely sensitive to any outside interference, they act as a "quantum tripwire." This makes it virtually impossible for anyone to intercept or steal information without being immediately detected, paving the way for ultra-secure communications.
2. Breakthrough in Entanglement Swapping
A major hurdle for the quantum internet is that photons often get lost over long distances. To solve this, Qunnect uses "Carina racks" to perform entanglement swapping. This process transfers the property of entanglement from one pair of photons to another, allowing the "unhackable" quantum connection to be extended across a larger network. They recently achieved this reliably across 17.6 kilometers between Brooklyn and Manhattan.
3. Moving from Labs to the Real World
While a mainstream quantum internet is still years away, the infrastructure is already being deployed beneath New York City. The system can now run autonomously for weeks at a time, connecting labs at NYU and Columbia University. Near-term applications include:
Identifying users based on their physical location.
Securing financial transactions for institutions in New York's financial districts.
Network monitoring through quantum tripwires to detect nefarious interception attempts.
Would you like me to explain the physics of quantum entanglement in simpler terms to help visualize how these "tripwires" actually work?
No comments:
Post a Comment