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305 Tb/s Space Division Multiplexed Transmission Using Homogeneous 19-Core Fiber

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13 Author(s)
Sakaguchi, J. ; Photonic Network Res. Inst., Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan ; Puttnam, B.J. ; Klaus, W. ; Awaji, Y.
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We report record capacity data transmission at 305 Tb/s over 10.1 km, using space division multiplexing (SDM) with 19 channels. To realize such a large SDM channel number, we fabricated a trench-assisted homogeneous 19-core fiber with average intercore crosstalk of about -32 dB at 1550 nm. We also fabricated a 19-channel SDM multiplexer/demultiplexer using free-space optics with low insertion losses and low additional crosstalk. The data signal transmitted through each SDM channel was 100 wavelength division multiplexing (100 GHz spacing) 2 × 86 Gb/s polarization-division-multiplexed quadrature phase shift keying signals and the spectral efficiency was 30.5 b/s/Hz.

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Lightwave Technology, Journal of  (Volume:31 ,  Issue: 4 )