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We propose a remotely pumped Er-doped fiber amplifier(EDFA)-based 40-Gb/s downstream and 10-Gb/s upstream transmission long-reach wavelength division multiplexing passive optical network(WDMPON)scheme with downstream and upstream transmission implemented by quadrature phase-shift keying(QPSK)transceiver and reflective semiconductor optical amplifier(RSOA)-based intensity modulation direct detection(IM-DD).Transmissions of the 40-Gb/s QPSK downstream,using a Mach-Zehnder modulator,and the 10-Gb/s non-return-to-zero on-of keying(NRZ-OOK)upstream,using a 1.2-GHz RSOA equalized by fiber Bragg grating(FBG),are demonstrated with 40-km fiber transmission.
We propose a remotely pumped Er-doped fiber amplifier (EDFA) -based 40-Gb / s downstream and 10-Gb / s upstream transmission long-reach wavelength division multiplexing passive optical network (WDMPON) scheme with downstream and upstream transmission implemented by quadrature phase-shift keying (QPSK) transceiver and reflective semiconductor optical amplifier (RSOA) -based intensity modulation direct detection (IM-DD) .Transmissions of the 40-Gb / s QPSK downstream, using a Mach- Zehnder modulator, and the 10- Gb / s non-return-to-zero on-of keying (NRZ-OOK) upstream using a 1.2-GHz RSOA equalized by fiber Bragg grating (FBG)