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Performance Enhancement by Threshold Level Control of a Receiver in WDM-PON System with Manchester Coded Downstream and NRZ Upstream Re-Modulation
Bong Kyu KIM Hwan Seok CHUNG Sun Hyok CHANG Sangjo PARK
IEICE TRANSACTIONS on Communications
Publication Date: 2008/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fiber-Optic Transmission for Communications
access network, fiber-to-the-home (FTTH), Manchester code, optical re-modulation, passive optical network (PON), optical fiber communications,
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We propose and demonstrate a scheme enhancing the performance of optical access networks with Manchester coded downstream and re-modulated NRZ coded upstream. It is achieved by threshold level control of a limiting amplifier at a receiver, and the minimum sensitivity of upstream is significantly improved for the re-modulation scheme with 5 Gb/s Manchester coded downstream and 2.488 Gb/s NRZ upstream data rates.