Rotation-dependent nonlinear absorption of orbital angular momentum beams in ruby

G. Musarra, K. E. Wilson, Daniele Faccio, Ewan M. Wright

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


We investigate the effect of a rotating medium on orbital angular momentum (OAM)-carrying beams by combining a weak probe beam shifted in frequency relative to a strong pump beam. We show how the rotational Doppler effect modifies the light-matter interaction through the external rotation of the medium. This interaction leads to an absorption that increases with the mechanical rotation velocity of the medium and with a rate that depends on the OAM of the light beam.

Original languageEnglish
Pages (from-to)3073-3075
Number of pages3
JournalOptics Letters
Issue number13
Early online date21 Jun 2018
Publication statusPublished - 1 Jul 2018

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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