Quantum Teleportation Achieved Over Active Internet Cables

Researchers at Northwestern University have successfully demonstrated quantum teleportation over fiber-optic cables that were actively transmitting regular Internet traffic—a breakthrough previously thought impossible due to noise interference from classical data signals.

To overcome this challenge, the team used specific wavelengths less susceptible to disruption and installed advanced filtering systems. By placing photon sources at both ends of a 30-kilometer optical fiber, they simultaneously transmitted both quantum and classical data.

The experiment showed that quantum information could be teleported reliably without being corrupted by Internet traffic. This achievement paves the way for quantum communication systems to coexist with current Internet infrastructure, eliminating the need for separate, dedicated quantum networks.

This marks a critical step toward real-world quantum networks that could power next-generation applications in secure communication, advanced sensing, and quantum computing.

Source: techexplorist.com