Chinese satellite is one giant step for the quantum internet
1–10 of 29 posts
Re: Chinese satellite is one giant step for the quantum internet
#2> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.”
Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody explain to me how this could be achieved?
Re: Chinese satellite is one giant step for the quantum internet
#3Does Chinese have "Golden Eye"
Re: Chinese satellite is one giant step for the quantum internet
#4> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
I can already read all of the license plate data on Jupiter's moons. The log is attached below:
Re: Chinese satellite is one giant step for the quantum internet
#5> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
I was wondering the exact same thing.
Re: Chinese satellite is one giant step for the quantum internet
#6> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
This also made me raise an eyebrow. I found a preprint[0] of an article on the subject after some googling. I've only skimmed it so far but it seems promising.
Re: Chinese satellite is one giant step for the quantum internet
#7The original Nature article is here: http://www.nature.com/news/chinese-satellite-is-one-giant-st...
This is a reprint.
Re: Chinese satellite is one giant step for the quantum internet
#8> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
This also made me raise an eyebrow. I found a preprint[0] of an article on the subject after some googling. I've only skimmed it so far but it seems promising. [0] http://arxiv.org/abs/1403.6681
Really cool. Here is some more recent work (2016) by the same author, Aglae Kellerer.
Re: Chinese satellite is one giant step for the quantum internet
#9> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
Taking a guess here -- the entangled photons would act as nodes between satellites, enabling the combining of information collected by the satellite array.
Essentially, take an interferometric array such as CHARA, replace fiber with empty space, and voila.
I remember some of the technical obstacles CHARA had to overcome, one of which was extremely precise path lengths from each telescope to the central collector. Not sure if they could achieve that in space where no solid anchoring material exists.
Re: Chinese satellite is one giant step for the quantum internet
#10> Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.” Uh, what? What does entangled photons have to do with interferometry-based astronomy? Can somebody exp…
It sounds like observing only entangled photons lifts the diffraction angular resolution limit of the classical telescopes.