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Dual Polarization Coherent Optical Spectrally Efficient Frequency Division Multiplexing

Dhecha Nopchinda (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik) ; T. Y. Xu ; R. Maher ; B. C. Thomsen ; I. Darwazeh
IEEE Photonics Technology Letters (1041-1135). Vol. 28 (2015), 1, p. 83-86.
[Artikel, refereegranskad vetenskaplig]

A new optical spectrally efficient frequency division multiplexing technique, utilizing coherent detection and polarization division multiplexing, is proposed and demonstrated. The proposed system uses non-orthogonal and overlapping subcarriers to provide a significant reduction in both the electrical and optical bandwidth of up to 33%, relative to dual polarization orthogonal frequency division multiplexing (DP-OFDM), with an implementation penalty <3.2 dB. After transmission over 80 km of single mode fiber, it is shown that quadrature phase shift keying-based DP coherent optical spectrally efficient frequency division multiplexing, achieves a 2-dB gain in optical signal-to-noise ratio performance relative to eight-quadrature amplitude modulation-based DP-OFDM, which has approximately the same spectral efficiency.

Nyckelord: Optical fiber communication, OFDM, SEFDM, spectral efficiency, coherent detection, dual polarization, iterative detection, sphere decoder

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Denna post skapades 2016-01-18. Senast ändrad 2017-06-28.
CPL Pubid: 230821


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