Abstract
In this work, we propose and investigate a 115Gbit/s (4×28.75Gbit/s) downstream and 10 Gbit/s upstream time- and wavelength-division-multiplexing passive optical network (TWDM-PON) together with 11.25Gbit/s wireless broadcasting signal using multi-band orthogonal-frequency-division-multiplexing (OFDM) modulation within 10GHz bandwidth. Here, to compensate the power fading and chromatic dispersion in the higher frequency, we utilize a −0.7 chirp parameter Mach–Zehnder modulator (MZM) for the OFDM signal. Hence, negative power penalties of −0.3 and −0.4dB in the downstream and broadcasting wireless signals; and power penalty of 0.3dB in the upstream signal are measured at the bit error rate (BER) of 3.8×10−3 after 20km standard single mode fiber transmission without dispersion compensation.
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