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A new architecture for bidirectional gigabit colorless wavelength division multiplexed-passive optical network system based on a reflective semiconductor optical amplifier is proposed. It uses techniques of both optical carrier suppression and subcarrier multiplexing. There is no impact of a downlink signal on an uplink one due to the wavelength reuse because a light from a single optical source is...
This paper proposes a WDM-PON system which uses the laser light injected reflective semiconductor optical amplifier (R-SOA) as the optical transmitter. In the system, optical carrier of laser lights is supplied from the central office (CO) to the R-SOA both in CO and in the subscriber's side. The optical carrier consists of a pair of the perpendicularly polarized laser lights to avoid the polarization...
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