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Title: Ultranarrow spectrum-sliced incoherent light source for 10-Gb/s WDM PON
Authors: Al-Qazwini, Z.
Kim, H. 
Keywords: Incoherent light
passive optical network (PON)
semiconductor optical amplifier (SOA)
spectrum slicing
wavelength-division multiplexing (WDM)
Issue Date: 2012
Citation: Al-Qazwini, Z., Kim, H. (2012). Ultranarrow spectrum-sliced incoherent light source for 10-Gb/s WDM PON. Journal of Lightwave Technology 30 (19) : 3157-3163. ScholarBank@NUS Repository.
Abstract: We report on the use of an ultranarrow (∼ 0.01 nm) spectrum-sliced incoherent light source for transmission of 10-Gb/s nonreturn-to-zero signals over 20-km dispersion-uncompensated standard single-mode fiber and 0.2-nm-bandwidth optical band-pass filter. A wideband amplified spontaneous emission is first generated using an erbium-doped fiber amplifier and then spectrum-sliced by an ultranarrow fiber Fabry-Perot filter (3-dB bandwidth: ∼0.006 nm). The spectrum-sliced light is intensity-smoothed by using a gain-saturated reflective semiconductor optical amplifier and then modulated at 10.7 or 12.5 Gb/s, assuming forward error correction (FEC) with 7% or 25% overheads, respectively. Thanks to the narrow linewidth of the source, we are able to retain the intensity smoothing after the transmission, achieving uncorrected bit-error ratios better than 10 -3 and 3 × 10 -3 at 10.7 and 12.5 Gb/s, respectively. We discuss the applicability of the proposed light source to wavelength-division-multiplexed passive optical networks and the choice of FEC codes for the proposed scheme. © 2012 IEEE.
Source Title: Journal of Lightwave Technology
ISSN: 07338724
DOI: 10.1109/JLT.2012.2214435
Appears in Collections:Staff Publications

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