Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing | Zendy

Martin P. J. Lavery | Zendy; Hao Huang | Zendy; Yongxiong Ren | Zendy; Guodong Xie | Zendy; Alan E. Willner | Zendy

Open Access

Demonstration of a 280 Gbit/s free-space space-division-multiplexing communications link utilizing plane-wave spatial multiplexing

Author(s) -

Martin P. J. Lavery,

Hao Huang,

Yongxiong Ren,

Guodong Xie,

Alan E. Willner

Publication year - 2016

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.41.000851

Subject(s) - optics , multiplexing , physics , wavelength division multiplexing , crosstalk , cardinal point , free space optical communication , gigabit , optical communication , telecommunications , computer science , wavelength

We demonstrate a 280 Gbit/s free-space space-division-multiplexing communications link incorporating a set of independent tilted truncated plane-waves, each generated by a single mode fiber placed at the back-focal plane of a spherical lens. Each of the seven tilted plane-wave channels are encoded with a 40 Gbit/s 16-QAM signal. Our approach comprises two identical linear fiber-arrays placed approximately 5 m apart. As each fiber array is placed at the back-focal-plane of a spherical lens, each fiber array is effectively placed in a conjugate image plane of the other. A channel crosstalk of less than 26 dB is shown, with a bit-error-rate below the FEC threshold of 3.8×10(-3).

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