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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 12, Iss. 4 — Dec. 25, 2008
  • pp: 337–345

RSOA-Based Wavelength-Reuse Gigabit WDM-PON

Byoung-Whi Kim  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 12, Issue 4, pp. 337-345 (2008)

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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.

© 2008 Optical Society of Korea

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4250) Fiber optics and optical communications : Networks
(060.4510) Fiber optics and optical communications : Optical communications

Original Manuscript: November 13, 2008
Revised Manuscript: December 9, 2008
Manuscript Accepted: December 9, 2008
Published: December 31, 2008

Byoung-Whi Kim, "RSOA-Based Wavelength-Reuse Gigabit WDM-PON," J. Opt. Soc. Korea 12, 337-345 (2008)

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