Abstract
We study, by computer simulation, the feasibility for realizing the next generation of access network based on 40-Gbps signal transmission over passive optical network (PON) using various data modulation formats: NRZ-OOK, RZ-OOK, RZ-DPSK, and RZ-DQPSK. We show the success of 40-Gbps signal transmission over 20 km of PON with an inline dispersion compensation both in time-division multiple access (TDMA) and optical code division multiple access (OCDMA) schemes under the BER less than 10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-3</sup> without FEC.
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