FTL Comm System

Givens:

Theoretical Quantum Physicists: Non-locality of entangled photons means that measurements that collapse the wave function of one will simultaneously (instantly... superluminally… FTL) collapse the wave function of the other.

Experimental Quantum Physicists: Created repeatable experiments that revealed that entangled photons did collapse their wave functions simultaneously as predicted by quantum mechanic calculations.  It does not matter how far apart the entangled photons are.  Most physicists hold on to the slim hope that this does not invalidate Einstein’s theories because they believe superluminal communication is impossible.

Current Commercial Applications: Commercial quantum encryption devices use the fact that it is possible collapse the wave function of photons in a specific manner.  Such photons can later be measured in such a way that the specific collapse can be determined.

Conjectures:

Superluminal Communication is easy: This thought experiment a way to simplify the concept.  Actual experimental verification would be done in a lab using techniques that have been used to invalidate Bell’s inequalities.

First, generate entangled photons using a standard method such as SPDC.  This method allows 2 focused beams each containing half of the pairs of photons.  For simplicity say you have a spacecraft slightly closer to the Earth than it is to Mars. It generates the two beams.  One is sent to the Earth and the other is sent to Mars. Using currently available commercial equipment, Earth’s beam is polarized as either left-circular or right-circular.  These serve as the 1s and 0s in a message.  Simple detection equipment at Mars can decode the 1s and 0s because of the simultaneous polarizations of their photons.   Asynchronous encoding with substantial error detection/correction is necessary.  It is important to realize that the information does not flow through the beams from the Earth to Mars.  It is created at the Earth and appears instantly at Mars.  This superluminal channel is limited to the speed of light to be established but is virtually instantaneous from that moment on.  It is not difficult to create full duplex communication through the use of second spacecraft.

There are techniques that could create an ultra-folded path of one beam  (possibly using a very low-loss fiber optic path with precision mirrors).   A single transmitter could send the second beam to a distant receiver.  With correct timing the first beam of photons could be encoded just prior to the reception of the second (remote) beam.  This could be a commercially viable method to use quantum encryption with superluminal communications.

Techniques could be developed to create entangled photons at high efficiencies (recirculating non-entangled photons back through the crystal or possibly using them to pump the laser...?).  This allows for much higher bandwidth communications.  This opens up new applications.

Such as:

Stepped down frequencies could allow the use of geosynchronous satellites to simplify transmission and reception.  If the first beam and second have slightly different frequencies (such as those generated with the SPDC method) then both beams could be directed at the satellite.  The first beam could be reflected back towards the transmitter and the second towards the receiver.  This eliminates the necessity of the ultra-folded path for the first beam.  This could provide nearly a hemisphere of coverage with superluminal communication.  This allows certain applications that are currently impossible using geosynchronous satellites because of the inherent time lag due to their high orbits.  Focused beams could allow many times the number of satellites in geosynchronous orbits.  Since we are currently very close to filling the available slots for geosynchronous satellites… this could be important  

Efficient high-bandwidth superluminal communication could allow true tele-presence from Earth for the exploration of Mars or other worlds.

A sufficiently focused and intense beam of coherent entangled photons could create a superluminal channel between objects light years apart.

None of the above conjectures have been espoused in papers, journals or the internet.  Crazies are always around with clumsy ideas for instantaneous communications.  Physicists and physics students do not ever want to touch ideas that could ruin their future credibility.

I believe it is important to note that the statements above list important items as conjectures.   I have learned to be “gun-shy” about my firm convictions of truths that I know... but no other reliable source believes.  I know this FTL communication system will work... but I don’t have the resources to prove it... or the credibility to get someone else to try it.  I know what such a system will do to current Quantum Mechanics, Relativity, and Cosmological Theories... It also make other things that everyone has thought to be impossible... easy enough to design using off the shelf parts.