dos Santos, Gustavo H.;
de Oliveira, Andre G.;
Rubiano da Silva, Nara;
Cañas, Gustavo;
Gómez, Esteban S.;
Joshi, Stuti;
Ismail, Yaseera;
Souto Ribeiro, Paulo H.;
Walborn, Stephen Patrick
Phase conjugation of twisted Gaussian Schell model beams in stimulated down-conversion
You can manage bookmarks using lists, please log in to your user account for this.
Media type:
E-Article
Title:
Phase conjugation of twisted Gaussian Schell model beams in stimulated down-conversion
Contributor:
dos Santos, Gustavo H.;
de Oliveira, Andre G.;
Rubiano da Silva, Nara;
Cañas, Gustavo;
Gómez, Esteban S.;
Joshi, Stuti;
Ismail, Yaseera;
Souto Ribeiro, Paulo H.;
Walborn, Stephen Patrick
imprint:
Walter de Gruyter GmbH, 2022
Published in:Nanophotonics
Language:
English
DOI:
10.1515/nanoph-2021-0502
ISSN:
2192-8614
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title>
<jats:p>Stimulated parametric down-conversion is a nonlinear optical process that can be used for phase conjugation and frequency conversion of an optical field. A precise description of the outgoing stimulated field has been developed for the case where the input pump and seed fields are coherent. However, partially coherent beams can have interesting and important characteristics that are absent in coherent beams. One example is the twist phase, a novel optical phase that can appear in partially coherent Gaussian beams and gives rise to a nonzero orbital angular momentum. Here, we consider stimulated down-conversion for partially coherent input fields. As a case study, we use twisted Gaussian Schell-Model beams as the seed and pump beams in stimulated parametric down-conversion. It is shown both theoretically and experimentally that the stimulated idler beam can be written as a twisted Gaussian Schell-Model beam, where the beam parameters are determined entirely by the seed and pump. When the pump beam is coherent, the twist phase of the idler is the conjugate of that of the seed. These results could be useful for the correction of wavefront distortion such as in atmospheric turbulence in optical communication channels, and synthesis of partially coherent beams.</jats:p>