Unveiling quasiperiodicity through nonlinear wave mixing in periodic media

Alon Bahabad*, Noa Voloch, Ady Arie, Ariel Bruner, David Eger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Quasiperiodicity is the concept of order without translation symmetry. The discovery of quasiperiodic order in natural materials transformed the way scientists examine and define ordered structure. We show and verify experimentally that quasiperiodicity can be observed by scattering processes from a periodic structure, provided the interaction area is of finite width. This is made through a momentum conservation condition, physically realizing a geometrical method used to model quasiperiodic structures by projecting a periodic structure of a higher dimension.

Original languageEnglish
Article number205501
JournalPhysical Review Letters
Issue number20
StatePublished - 14 May 2007


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