4.6 Article

Reconfigurable 2 x 2 orbital angular momentum based optical switching of 50-Gbaud QPSK channels

Journal

OPTICS EXPRESS
Volume 22, Issue 1, Pages 756-761

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.22.000756

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Funding

  1. DARPA under the InPho (Information in a Photon) program

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We experimentally demonstrate a reconfigurable 2 x 2 switch for orbital angular momentum (OAM) multiplexed data-carrying optical beams. The switch can be configured to operate in either 'cross' or 'bar' state for each of the input OAM-multiplexed channels. The switching operation is demonstrated by operating the switch in five different configurations for the four OAM-multiplexed 50 Gbaud QPSK channels. An OSNR penalty < 2.5 dB is observed for the switched beams. (C) 2014 Optical Society of America

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