AAWSAP DIRD, The Space Communication Implications of Quantum Entanglement and Nonlocality, March 2010
DOW-UAP-D133 · page 27 of 32
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UNCLASSIFIED//FOR 8FFI@IAk WSE 8Hk¥ Figure 12. Schematic of Earth-to-Mars Real-Time Control of a Rover In order to avoid having to transmit two streams of entangled photons, the equivalent of the two fiber-optic links in Figure 10, at the base station the photons from one image slit would be polarized horizontally and those the other slit would be polarized vertically before transmission. Then, at the Earth control station, detection of the polarization of photons in the stream would constitute "particle" measurements, while separating, rotating to the same polarization state, and recombining the waves so that they could interfere before detection would constitute a "wave" measurement. In parallel with this nonlocal link, a conventional microwave or optical link would be used to communicate video images and other data to the Earth station. The video images and data would experience a propagation delay equal to the transmission distance divided by the speed of light, and would arrive at the Earth station seconds, minutes, or hours aher they were transmitted. The entangled photons would experience the same delay, but the nonlocal control signal would be sent backwards up the time stream, arriving at the probe at the instant the video signals and data were being transmitted, so that the nonlocal signal could steer and control the probe in real time, and an Earth-based operator could "drive" the rover on Mars using virtual-reality techniques. One can imagine driving the Mars Rover around the planet, actively steering around obstacles, activating analysis instruments in real time as interesting objects were found, and actively controlling repair equipment to deal with problems that arise. Such a communication loop (conventional + nonlocal) would be a light-like loop, with the two-way send and receive points located on the light cone. As such, it would not UNCLASSIFIED//F8R. 8FFIE!IJltt U:!I! eHt I 21