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@ARTICLE{Bruschi:904609,
      author       = {Bruschi, David Edward and Chatzinotas, Symeon and Wilhelm,
                      Frank K. and Schell, Andreas Wolfgang},
      title        = {{S}pacetime effects on wavepackets of coherent light},
      journal      = {Physical review / D},
      volume       = {104},
      number       = {8},
      issn         = {2470-0010},
      address      = {Melville, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2021-06179},
      pages        = {085015},
      year         = {2021},
      abstract     = {We investigate the interplay between gravity and the
                      quantum coherence present in the state of a pulse of light
                      propagating in curved spacetime. We first introduce an
                      operational way to distinguish between the overall shift in
                      the pulse wave packet and its genuine deformation after
                      propagation. We then apply our technique to quantum states
                      of photons that are coherent in the frequency degree of
                      freedom, as well as to states of completely incoherent
                      light. We focus on Gaussian profiles and frequency combs and
                      find that the quantum coherence initially present can
                      enhance the deformation induced by propagation in a curved
                      background. These results further support the claim that
                      genuine quantum features, such as quantum coherence, can be
                      used to probe the gravitational properties of physical
                      systems. We specialize our techniques to Earth-to-satellite
                      communication setups, where the effects of gravity are weak
                      but can be tested with current satellite technologies.},
      cin          = {PGI-12},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-12-20200716},
      pnm          = {5223 - Quantum-Computer Control Systems and Cryoelectronics
                      (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000707478800008},
      doi          = {10.1103/PhysRevD.104.085015},
      url          = {https://juser.fz-juelich.de/record/904609},
}