The experimental demonstration of a free-space optical transmission system with orbital angular momentum (OAM) division multiplexing is reported. Two beams have been multiplexed with different values of the azimuthal index, and hence carrying different OAM, at a wavelength of 1550 nm. a binary intensity modulation at 1.25 Gbit/s has been applied to each OAM channel and an interferometer with Dove prisms has been exploited for OAM demultiplexing.
Free-space optical transmission with orbital angular momentum division multiplexing
MARTELLI, PAOLO;GATTO, ALBERTO;BOFFI, PIERPAOLO;MARTINELLI, MARIO
2011-01-01
Abstract
The experimental demonstration of a free-space optical transmission system with orbital angular momentum (OAM) division multiplexing is reported. Two beams have been multiplexed with different values of the azimuthal index, and hence carrying different OAM, at a wavelength of 1550 nm. a binary intensity modulation at 1.25 Gbit/s has been applied to each OAM channel and an interferometer with Dove prisms has been exploited for OAM demultiplexing.File in questo prodotto:
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