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Self-homodyne detection of the light orbital angular momentum

Author
Belmonte, A.; Juan P. Torres
Type of activity
Journal article
Journal
Optics letters
Date of publication
2012-07-15
Volume
37
Number
14
First page
2940
Last page
2942
DOI
https://doi.org/10.1364/OL.37.002940 Open in new window
Repository
http://hdl.handle.net/2117/87170 Open in new window
URL
http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-14-2940 Open in new window
Abstract
A simple optical system for the self-homodyne detection of the orbital angular momentum (OAM) carried by optical beams is introduced. We propose two different schemes based on the use of optical hybrids, which could detect the OAM mode number, even when the input beam might be slightly distorted. A balanced receiver is used to perform a self-homodyne measure of the optical signal from two different locations at the beam wavefront.
Citation
Belmonte, A., Juan P. Torres. Self-homodyne detection of the light orbital angular momentum. "Optics letters", 15 Juliol 2012, vol. 37, núm. 14, p. 2940-2942.
Keywords
90-DEGREES OPTICAL HYBRID
Group of research
CommSensLab-UPC - Centre Específic de Recerca en Comunicació i Detecció UPC
FOTONICA - Photonics Research Group
RSLAB - Remote Sensing Lab

Participants