Orbital angular momentum symmetry in a driven optical parametric oscillator

Author(s)

Rodrigues, R. B. ^[1] ; Gonzales, J. ^[2] ; Pinheiro da Silva, B. ^[1] ; Huguenin, J. A. O. ^[3] ; Martinelli, M. ^[4] ; Medeiros de Araujo, R. ^[5] ; Souza, C. E. R. ^[1] ; Khoury, A. Z. ^[1]

Affiliation

^[1] Univ Fed Fluminense, Inst Fis, BR-24210346 Niteroi, RJ - Brazil

^[2] Pontificia Univ Catolica Peru, Dept Ciencias, Secc Fis, Apartado 1761, Lima - Peru

^[3] Univ Fed Fluminense, Inst Ciencias Exatas, BR-27213145 Volta Redonda, RJ - Brazil

^[4] Univ Sao Paulo, Inst Fis, POB 66318, Sao Paulo, SP - Brazil

^[5] Univ Fed Santa Catarina, Dept Fis, BR-88040900 Florianopolis, SC - Brazil

• Document type: Journal article
• Source: OPTICS LETTERS; v. 43, n. 11, p. 2486-2489, JUN 1 2018.
• Web of Science Citations: 5

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 Poincare 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 Poincare 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. (C) 2018 Optical Society of America (AU)

• FAPESP's process: 10/08448-2 - Quantum information with continuous variables of atoms and light
• Grantee: Paulo Alberto Nussenzveig
• Support Opportunities: Research Projects - Thematic Grants