Work

Efficient generation and sorting of orbital angular momentum eigenmodes of light by thermally tuned q-plates

Year: 2009

Type: article

Abstract: We present methods for generating and for sorting specific orbital angular momentum (OAM) eigenmodes of a light beam with high efficiency, using a liquid crystal birefringent plate with unit topological charge known as “q-plate.” The generation efficiency has been optimized by tuning the optical retardation of the q-plate with temperature. The measured OAM m=±2 eigenmodes generation efficiency from an input TEM00 beam was of 97%. Mode sorting of the two input OAM m=±2 eigenmodes was achieved with an efficiency of 81%.

Source: Applied Physics Letters

DOI: 10.1063/1.3154549

Authors: Ebrahim Karimi, Bruno Piccirillo, Eleonora Nagali, Lorenzo Marrucci, Enrico Santamato

Institutions: National Research Council, University of Naples Federico II, National Interuniversity Consortium for the Physical Sciences of Matter, Sapienza University of Rome

Language: English

Topic: Orbital Angular Momentum in Optics

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W1999542485

FWCI: 5.348

Cites: 20

Cited by: 288

Related to: 10