Reconfigurable 2 × 2 orbital angular momentum based optical switching of 50-Gbaud QPSK channels | Zendy

Nisar Ahmed | Zendy; Hao Huang | Zendy; Yongxiong Ren | Zendy; Yan Yan | Zendy; Guodong Xie | Zendy; Moshe Tur | Zendy; Alan E. Willner | Zendy

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

Author(s) -

Nisar Ahmed,

Hao Huang,

Yongxiong Ren,

Yan Yan,

Guodong Xie,

Moshe Tur,

Alan E. Willner

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.000756

Subject(s) - multiplexing , optics , angular momentum , physics , optical switch , phase shift keying , orbital angular momentum multiplexing , modulation (music) , optical communication , bit error rate , orbital angular momentum of light , channel (broadcasting) , computer science , telecommunications , total angular momentum quantum number , quantum mechanics , acoustics

We experimentally demonstrate a reconfigurable 2 × 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.

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