Propagation of light in linear and quadratic GRIN media: The Bohm potential

Felipe A. Asenjo, Sergio A. Hojman, Héctor M. Moya-Cessa, Francisco Soto-Eguibar

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


It is shown that field propagation in linear and quadratic gradient-index (GRIN) media obeys the same rules of free propagation in the sense that a field propagating in free space has a (mathematical) form that may be exported to those particular GRIN media. The Bohm potential is introduced in order to explain the reason of such behavior: it changes the dynamics by modifying the original potential. The concrete cases of two different initials conditions for each potential are analyzed.

Original languageEnglish
Article number126947
JournalOptics Communications
StatePublished - 1 Jul 2021


  • Beam propagation in GRIN media
  • Bohm potential
  • Linear GRIN media
  • Quadratic GRIN media


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