11 \,\times\, 224-Gb/s POLMUX-RZ-16QAM Transmission Over 670 km of SSMF With 50-GHz Channel Spacing

We demonstrate the generation and transmission of 11 channels with 224-Gb/s polarization-multiplexed return-to-zero 16-level quadrature amplitude modulation over 670 km of standard single-mode fiber (SSMF) with 50-GHz channel spacing and a spectral efficiency of 4.2 b/s/Hz. We report a penalty of ar...

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Bibliographic Details
Published in:IEEE photonics technology letters 2010-08, Vol.22 (15), p.1150-1152
Main Authors: Alfiad, Mohammad S, Kuschnerov, M, Jansen, S L, Wuth, T, van den Borne, D, de Waardt, H
Format: Article
Language:English
Subjects:
16-level quadrature amplitude modulation (16QAM)
Amplitude modulation
Arrayed waveguide gratings
Bit error rate
Channel spacing
Coherent detection
Laser theory
Optical fiber polarization
polarization multiplexing (POLMUX)
pulse amplitude modulation (PAM)
Pulse modulation
Quadrature amplitude modulation
Waveguide lasers
Wavelength division multiplexing
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Summary:We demonstrate the generation and transmission of 11 channels with 224-Gb/s polarization-multiplexed return-to-zero 16-level quadrature amplitude modulation over 670 km of standard single-mode fiber (SSMF) with 50-GHz channel spacing and a spectral efficiency of 4.2 b/s/Hz. We report a penalty of around 4.3 dB in the performance at back-to-back in comparison to the theoretical limits, and a margin of 1 dB in Q -factor below the forward-error correction limit (assumed to be at a bit-error rate of 3.8 × 10 -3 ) after transmission over 670 km of SSMF.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2051146