This process involves moving the information between carriers and not movement of the actual carriers, similar to the traditional process of communications, as two parties remain stationary while the information (digital media, voice, text, etc.) is being transferred, contrary to the implications of the word "teleport." The quantum two-state system seeks to transfer quantum information from one location to another location without losing the information and preserving the quality of this information.
The qubit functions as the quantum analog of the classic computational part, the bit, as it can have a measurement value of both a 0 and a 1, whereas the classical bit can only be measured as a 0 or a 1. In matters relating to quantum information theory, it is convenient to work with the simplest possible unit of information: the two-state system of the qubit. Įxperimental determinations of quantum teleportation have been made in information content - including photons, atoms, electrons, and superconducting circuits - as well as distance with 1,400 km (870 mi) being the longest distance of successful teleportation by the group of Jian-Wei Pan using the Micius satellite for space-based quantum teleportation.ĭiagram of the Basic Components Used for Quantum Teleportation It was experimentally realized in 1997 by two research groups, led by Sandu Popescu and Anton Zeilinger, respectively. Wootters in 1993, in which they used dual communication methods to send/receive quantum information. One of the first scientific articles to investigate quantum teleportation is "Teleporting an Unknown Quantum State via Dual Classical and Einstein-Podolsky-Rosen Channels" published by C. Because classical information needs to be sent, teleportation can not occur faster than the speed of light. Moreover, the location of the recipient can be unknown, but classical information needs to be sent from sender to receiver to complete the teleportation. The sender does not have to know the particular quantum state being transferred. While teleportation is commonly portrayed in science fiction as a means to transfer physical objects from one location to the next, quantum teleportation only transfers quantum information. Quantum teleportation is a technique for transferring quantum information from a sender at one location to a receiver some distance away.
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