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Researchers have successfully teleported a photon's state across a 270-meter open-air link using independent quantum dots, validating the feasibility of scalable quantum relays. This milestone demonstrates that semiconductor-based quantum light sources can form the backbone of future ultra-secure quantum internet networks. The decade-long collaboration required to achieve this highlights the maturity of the technology needed for practical quantum communication infrastructure.
A photon was teleported across 270 meters in stunning quantum breakthrough
Scientists have pulled off a first: teleporting a photon’s state between two separate quantum dots. This was done over a 270-meter open-air link, proving quantum information can travel between independent devices. The achievement marks a key step toward building quantum networks for ultra-secure communication. It also sets the stage for more advanced systems like quantum relays.
An international team of researchers, including scientists from Paderborn University, has reached an important milestone on the path toward a quantum internet. For the first time, they successfully teleported the polarization state of a single photon from one quantum dot to another that was physically separated. In simple terms, this means the properties of one photon were transferred to…
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