Turbulence Mitigation in Phase-Conjugated Two-Photon Imaging
  It is shown that the use of phase conjugation in one arm of a correlated two-photon imaging apparatus allows undistorted ghost imaging through a region with randomly-varying phase shifts. The images are formed from correlated pairs of photons in such a way that turbulence-induced phase shifts gained by the photons during passage through the medium cancel pairwise. 
David S. Simon and Alexander V. Sergienko
physics.optics quant-ph