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Simultaneous demultiplexing and steering of multiple orbital angular momentum modes.


ABSTRACT: We present a simple scheme to perform simultaneous demultiplexing and steering of multiple orbital angular momentum (OAM) modes using a single complex phase mask. By designing the phase mask, the propagation directions of demultiplexed beams can be arbitrarily steered. System experiments using orthogonal frequency-division multiplexing 32-ary quadrature amplitude modulation (OFDM-32QAM) signals over two OAM modes are carried out by using a two-mode complex phase mask. Moreover, demultiplexing of sixteen OAM modes and arbitrary demultiplexed beam steering are also demonstrated in the experiment.

SUBMITTER: Li S 

PROVIDER: S-EPMC4621537 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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