A centralized-light-source WDM access network utilizing inverse-RZ downstream signal with upstream data remodulation
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AbstractWe propose and demonstrate employing inverse-return-to-zero (IRZ) downstream signal format to facilitate upstream data remodulation in a wavelength division multiplexing (WDM) passive optical network (PON) architecture with centralized light sources. The finite optical power in each downstream IRZ bit can be simply remodulated by the upstream data at the optical network unit. This can make each downstream and upstream pair share a single light source and such light reuse can be easily realized. An experiment on 10-Gb/s downstream IRZ signal generation, 2.5-Gb/s upstream signal remodulation, and two-way transmission is successfully demonstrated. The downstream/upstream signal performance in such a PON has also been analyzed, which is useful for system design. (c) 2006 Elsevier Inc. All rights reserved.
All Author(s) ListDeng N, Chan CK, Chen LK
Journal nameOptical Fiber Technology
Volume Number13
Issue Number1
Pages18 - 21
LanguagesEnglish-United Kingdom
Keywordsinverse-retum-to-zero; optical access network; passive optical network; remodulation; WDM
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; ENGINEERING, ELECTRICAL & ELECTRONIC; Optics; OPTICS; Telecommunications; TELECOMMUNICATIONS

Last updated on 2020-08-07 at 03:37