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http://dx.doi.org/10.3807/JOSK.2008.12.4.337

RSOA-Based Wavelength-Reuse Gigabit WDM-PON  

Kim, Byoung-Whi (WDM-PON Technology Team, Electronics and Telecommunications Research Institute)
Publication Information
Journal of the Optical Society of Korea / v.12, no.4, 2008 , pp. 337-345 More about this Journal
Abstract
This article presents the RSOA-based re-modulation schemes for practical application to the WDM-PON link. Emphasis is put on the three methods for reducing the residual downstream signal in the upstream transmission; the simplest one is to use the RSOA gain-saturation property, the second uses selective filtering of the adiabatic-chirped DFB-LD output spectrum, and the last uses a dynamic RSOA gain control by varying its driving current according to the incident binary signal. The reflection sensitivity in the proposed re-modulation link is also qualitatively presented in the cases of using two different types of seed light: coherent light from DFB-LD array and spectrum-sliced incoherent ASE light. We show experimental results of an error-free bidirectional gigabit transmission over 20 km at -30 dB reflection with the spectrum-sliced ASE seed light.
Keywords
WDM-PON; RSOA; Re-modulation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 9  (Related Records In Web of Science)
Times Cited By SCOPUS : 6
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