Orbital angular momentum symmetry in a driven optical parametric oscillator

R. B. Rodrigues, J. Gonzales, B. Pinheiro da Silva, J. A. O. Huguenin, M. Martinelli, R. Medeiros de Araújo, C. E. R. Souza, A. Z. Khoury (Lead / Corresponding author)

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

We investigate the dynamics of a driven optical parametric oscillator under the injection of orbital angular momentum. The injected mode is adiabatically driven through arbitrary transformations on the Poincaré sphere of first-order paraxial beams. As a result, the down-converted beam conjugated to the seed is shown to follow a path imposed by a nontrivial symmetry on the Poincaré sphere. This symmetry allows controllable distinguishability between the spatial modes of the down-converted beams. In this Letter, we provide convincing experimental evidence of this effect.
Original languageEnglish
Pages (from-to)2486-2489
Number of pages4
JournalOptics Letters
Volume43
Issue number11
DOIs
Publication statusPublished - 1 Jun 2018

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