Sustained, High-Fidelity Quantum Teleportation

Quantum Internet is quickly approaching.   Implications?

Fermilab and Partners Achieve Sustained, High-Fidelity Quantum Teleportation  University of Chicago News,  December 28, 2020

Researchers at Fermi National Accelerator Laboratory (Fermilab), AT&T, the California Institute of Technology (Caltech), Harvard University, the NASA Jet Propulsion Laboratory, and the University of Calgary in Canada have demonstrated for the first time a sustained, long-distance teleportation of qubits made of photons with fidelity greater than 90%, paving the way for a quantum Internet. The qubits were teleported over a 27-mile-long fiber-optic network using state-of-the art single-photon detectors and off-the-shelf equipment. Fermilab's Panagiotis Spentzouris said the demonstration was a “key achievement on the way to building a technology that will redefine how we conduct global communication.”

Quantum Quitrit Teleportation Report

Very impressive next steps.  Its implications still unclear.   If this works, we might be able to solve very difficult problems more quickly.  Note its still no where near 'beam me down' capability as yet.  Still following closely due to our early connections.

“Qutrit” Experiments Are a First in Quantum Teleportation
The proof-of-concept demonstrations herald a major step forward in quantum communications

By Daniel Garisto on August 6, 2019
in Scientific American

Researchers at the University of Science and Technology of China and the Austrian Academy of Sciences say they have teleported a tripartite unit of quantum information known as a qutrit, which embodies the superposition of the quantum states of 0, 1, and 2. Two separate teams generated qutrits using the triple-branching path of a photon, manifested in optical systems of lasers, beam splitters, and barium borate crystals. The teams then verified the qutrits' entanglement, or Bell state, in order to prove their high-fidelity conveyance of data. One team claimed their Bell state measurement, across 10 states, fulfilled the parameters of a successful proof of concept; the other team disputes this, arguing its experiment was more successful. Said William Wootters of Williams College, “Each of these [experiments] is an important advance in the technology of teleportation."  .... "