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Quantum entanglement between an optical photon and a solid-state spin qubit
E. Togan1,8, Y. Chu1,8, A. S. Trifonov1, L. Jiang1,2,3, J. Maze1, L. Childress1,4, M. V. G. Dutt1,5, A. S. Sørensen6, P. R. Hemmer7, A. S. Zibrov1 & M. D. Lukin1
Correspondence to: M. D. Lukin1 Email: lukin@fas.harvard.edu
- Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
- Department of Physics, California Institute of Technology, Pasadena, California 91125, USA
- Institute for Quantum Information, California Institute of Technology, Pasadena, California 91125, USA
- Department of Physics and Astronomy, Bates College, Lewiston, Maine 04240, USA
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
- QUANTOP, The Niels Bohr Institute, University of Copenhagen, DK2100 Copenhagen, Denmark
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USA
- These authors contributed equally to this work.
Journal name:NatureVolume:466,Pages:730–734Date published
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05 August 2010)DOI:doi:10.1038/nature09256 Received08 February 2010Accepted08 June 2010Quantum entanglement is among the most fascinating aspects of quantum theory1. Entangled optical photons are now widely used for fundamental tests of quantum mechanics2 and applications such as quantum cryptography1. Several recent experiments demonstrated entanglement of optical photons with trapped ions3, atoms4, 5 and atomic ensembles6, 7, 8, which are then used to connect remote long-term memory nodes in distributed quantum networks9, 10, 11. Here we realize quantum entanglement between the polarization of a single optical photon and a solid-state qubit associated with the single electronic spin of a nitrogen vacancy centre in diamond. Our experimental entanglement verification uses the quantum eraser technique5, 12, and demonstrates that a high degree of control over interactions between a solid-state qubit and the quantum light field can be achieved. The reported entanglement source can be used in studies of fundamental quantum phenomena and provides a key building block for the solid-state realization of quantum optical networks13, 14.
Quantum entanglement between an optical photon and a solid-state spin qubit : Nature : Nature Publishing Group
That is freaking wicked.
It's freaking crazy, and since this interaction occurs faster than the speed of light it leaves open the possiblity of retrocausality meaning it would be theoretically possible to send information to the past.
Journal name:NatureVolume:466,Pages:730–734Date published05 August 2010)DOI:doi:10.1038/nature09256 Received08 February 2010Accepted08 June 2010Quantum entanglement is among the most fascinating aspects of quantum theory1. Entangled optical photons are now widely used for fundamental tests of quantum mechanics2 and applications such as quantum cryptography1. Several recent experiments demonstrated entanglement of optical photons with trapped ions3, atoms4, 5 and atomic ensembles6, 7, 8, which are then used to connect remote long-term memory nodes in distributed quantum networks9, 10, 11. Here we realize quantum entanglement between the polarization of a single optical photon and a solid-state qubit associated with the single electronic spin of a nitrogen vacancy centre in diamond. Our experimental entanglement verification uses the quantum eraser technique5, 12, and demonstrates that a high degree of control over interactions between a solid-state qubit and the quantum light field can be achieved. The reported entanglement source can be used in studies of fundamental quantum phenomena and provides a key building block for the solid-state realization of quantum optical networks13, 14.
It's freaking crazy, and since this interaction occurs faster than the speed of light it leaves open the possiblity of retrocausality meaning it would be theoretically possible to send information to the past.
This is clear evidence of the existence of God.
This is clear evidence of the existence of God.
Absolutely fascinating. I'd read about quantum entanglement years ago and the implications of it; but this is the first I've heard of actual evidence that it exists.
This could be huge.
It's freaking crazy, and since this interaction occurs faster than the speed of light it leaves open the possiblity of retrocausality meaning it would be theoretically possible to send information to the past.
Why haven't we received any information from the future then?
but if we found a way to change the state of particle A which was entangled with particle B then faster than light speed communication could be possible. This is, also, indirect evidence for multiple dimensions because what ever it is causing this interaction must be occurring outside of known space time.
Of interesting note, this is a clear violation of the Copenhagen interpretation which says that the state of a given particle is only determined when that particle is measured (Shrodinger's Cat) but with entangled particles we know the state of particle B whether we measure it or not.
Quantum entanglement - Wikipedia, the free encyclopedia
ohhhh emmmm geeee!!!!! if we prove this theory and find a way to reverse the spin, i can only imagine how fast it would really take to travel to mars.. and i say mars because we've always fantasized about it.
Do me a favor and tell FDR to kiss me ass. :lamo
now now, theories can be proven.... i just cant think of one right now, but i know theories have been proven before.
I've believed for a long time that this scientific theory can explain out of body experiences, and provide some insight into what a soul is.
How do you figure that? Are you asserting that every human being is entangled with a twin human being and that this twin is in fact the soul?
No... that one's consciousness, although linked to the body, can function separately from the body. A lot of near death experiences have vivid recall of events that they had no possible way of knowing, and witnessed themselves floating around the room or above the building. To simplify the argument, let's just call this consciousness the "soul" (even though this is abstract). It would mean that the soul can interface with an organic body without being in physical contact with it.
But quantum entanglement only deals with the quantum level IE elementary particles and twin elementary particles obeying the laws of conservation at that.
That doesn't really matter much to me. I'm just putting forward an unprovable theory.
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