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Ultra High Capacity PON Systems with Free-Space Optical Communications

Shahpari, A. ; Mahmoud , A. ; Ferreira, RMF ; Parca, G. ; Reis, J.D. ; Carrozzo, V. ; Lima, M. J. N. ; Beleffi , G. ; Teixeira, A.

Fiber and Integrated Optics Vol. 33, Nº 3, pp. 149 - 162, July, 2014.

ISSN (print): 1096-4681
ISSN (online): 0146-8030

Journal Impact Factor: 0,421 (in 2008)

Digital Object Identifier: 10.1080/01468030.2014.886751

Abstract
In this paper, we experimentally demonstrate a hybrid fibre-free space passive optical network that enables high spectral density, aggregated capacity and total throughput through ultra-dense wavelength-division-multiplexing (UDWDM) baseband and radio-over-fibre (RoF) channels. UDWDM 10 Gb/s Nyquist shaped 16-ary Quadrature Amplitude Modulation (16QAM), 10 Gb/s RoF Orthogonal FrequencyDivision Multiplexing (OFDM) and 8.75 Gb/s baseband OFDM signals per user were transmitted through up to 40 km Passive Optical Networks (PON), which includes 6 m Free-Space Optics (FSO) link with acceptable performance.