Where does a photon distort spacetime?

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Lets say I have a very low energy photon moving through space and I want to visualize how space-time is effected by the motion of the photon thru space.

Photons are supposed to be quantized.. If it were possible to build a machine to measure the "gravitational" effect of a single photon would it follow the shape of the wave at each point as it traveled thru space? Would it deform the whole region of the packet? What would it look like if you drew it out?
 

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Dale
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We don't have a quantum theory of gravity yet. However, if you are willing to discuss classical pulses of light instead of photons then you should look into pp-wave spacetimes.
 
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