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Multiplexed vortex state array toward high-dimensional data multicasting
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DOI：10.1364/OE.466353.png)
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Abstract
En 中文
Optical vortex array has drawn widespread attention since the boom of special applications such as molecular selecting and optical communication. Here, we propose an integrated phase-only scheme to generate multiple multiplexed vortex beams simultaneously, constituting a multiplexed vortex state array, where the spatial position, as well as the corresponding orbital angular momentum (OAM) spectrum, can be manipulated flexibly as desired. Proof-of -concept experiments are carried out and show a few different multiplexed vortex state arrays that fit well with the simulation. Moreover, regarding the array as a data-carrier, a one-to-many multicasting link through multi-state OAM shift keying, a high-dimensional data coding, is also available in free space. In the experiment, four various OAM states are employed and achieve four bits binary symbols, and finally distribute three different images to three separate receivers independently from the same transmitter, showing great potential in the future high-dimensional optical networks.
Keywords:
ORBITAL ANGULAR-MOMENTUM
OPTICAL VORTEX
SIMULTANEOUS GENERATION
TURBULENCE COMPENSATION
POLARIZATION VORTICES
LASER-BEAM
LIGHT
TRANSFORMATION
PATTERN
ORDER
Journal
IF:
3.3
Papers:
6.1W
Citations:
14.3W
Organization
Cited Papers
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