Quantum teleportation has begun to change the world
Story by Joseph Shavit
© The Brighter Side of News
Quantum teleportation, once confined to the pages of science fiction, is steadily becoming a tangible scientific achievement. Advances in quantum mechanics over the last decade have transformed teleportation from a theoretical concept into an experimental reality.
These breakthroughs have revealed innovative methods for transmitting information instantaneously over vast distances, offering transformative possibilities for computing, communication, and cryptography. Scientists are now closer than ever to bridging the gap between imagination and reality in this cutting-edge field.
The Science of Quantum Teleportation
At its core, teleportation in the quantum world isn’t about physically transporting objects or people, as popularized by franchises like Star Trek. Instead, it involves transmitting quantum states—essentially the fundamental properties of particles like electrons or photons—without physical movement of the particles themselves.
This is made possible through quantum entanglement, a phenomenon where two or more particles become so interconnected that the state of one directly influences the other, no matter how far apart they are.
In April 2022, a groundbreaking study led by Dr. Jian-Wei Pan, a physicist at the University of Science and Technology of China, reported a new record in quantum teleportation distance. Using entangled photons, Pan and his team successfully transmitted quantum information over 1,200 kilometers via satellite
Published in Physical Review Letters, the study marks a significant leap from earlier experiments that were limited to tens or hundreds of kilometers.
“We’ve demonstrated that quantum entanglement can be preserved over incredibly long distances using satellite-based links,” said Dr. Pan. “This paves the way for global-scale quantum communication networks.”
Entanglement at the Edge of Possibility