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A novel up-stream transmitter for wavelength division multiplexed-passive optical network (WDM-PON) using a self-seeded reflective semiconductor optical amplifier (RSOA) was proposed. The RSOA was self-seeded by an amplified spontaneous emission itself using a fibre Bragg grating without an additional optical source. The side mode suppression ratio of self-seeded output signal and the extinction ratio were ∼28 and 8.1 dB, respectively. Required power for 10−9 BER at 622 Mb/s was about −28 dBm and the power penalty after 20 km transmission was <2 dB for 30 nm range of wavelength.
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Kang et al. (2007) studied this question.
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