Abstract
We propose and experimentally demonstrate a 37.3 Gb/s passive optical network using four-band orthogonal-frequency-division-multiplexing (OFDM) channels within 10 GHz bandwidth. Here, the required sampling rate and resolution of digital-to-analog/analog-to-digital (DA/AD) converter are only 5 GS/s and 8 bits to accomplish the 40 Gb/s OFDM downstream rate. Moreover, to reduce the power fading and fiber chromatic dispersion issues, a \(-\)0.7 chirp parameter Mach-Zehnder modulator is used for the four-band OFDM modulation scheme. Downstream negative power penalty of \(-\)0.37 dB can be obtained at the bit error rate of \(3.8\times 10^{-3}\) after 20 km standard single mode fiber transmission without dispersion compensation.
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Yeh, C.H., Chen, H.Y., Chow, C.W. et al. Demonstration of using multi-band 16-QAM OFDM modulation with direct-detection in 10 GHz bandwidth for 37.3-Gb/s PON. Photon Netw Commun 27, 28–33 (2014). https://doi.org/10.1007/s11107-013-0422-2
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DOI: https://doi.org/10.1007/s11107-013-0422-2