It is not the first time that this has been discussed, but it is the only time that it has been successful. A group of researchers in Universidad Northwestern has achieved an unprecedented feat: teleporting a quantum state of light over 30 kilometers through the use of a fiber optic cable. This is an event that has an explanation and could lay the foundations for the future.
Prem Kumar, a computer engineer and director of the Northwestern University study, expressed his joy at such an advance in the journal Optica that could revolutionize everything: “This is incredibly exciting because no one thought it was possible.”
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“Our work shows a path towards next-generation quantum and classical networks that share a unified fiber optic infrastructure. It basically opens the door to take quantum communications to the next level,” the expert highlights about the consequences of the achievement.
“We carefully studied how light is scattered and placed our photons at a critical point where that scattering mechanism is minimized (…). We found that we could perform quantum communication without interference from the classical channels that are present simultaneously,” adds Kumar.
At the same time, the director of the research boasts of having carried out his work without unanimous support from the community: “Many people have long assumed that no one would build specialized infrastructure to send light particles. If we choose the wavelengths correctly, we will not have to build new infrastructure. Classical communications and quantum communications can coexist.”
“Quantum teleportation has the ability to provide quantum connectivity securely between geographically distant nodes,” the expert states in a study published in the journal Optica, where they show in detail their progress and incredible results in the quantum field.