• Title, Summary, Keyword: 10-gigabit-capable passive optical networks

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Physical Media Dependent Prototype for 10-Gigabit-Capable PON OLT

  • Kim, Jongdeog;Lee, Jong Jin;Lee, Seihyoung;Kim, Young-Sun
    • ETRI Journal
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    • v.35 no.2
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    • pp.245-252
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    • 2013
  • In this work, we study the physical layer solutions for 10-gigabit-capable passive optical networks (PONs), particularly for an optical link terminal (OLT) including a 10-Gbit/s electroabsorption modulated laser (EML) and a 2.5-Gbit/s burst mode receiver (BM-Rx) in a novel bidirectional optical subassembly (BOSA). As unique features, a bidirectional mini-flat package and a 9-pin TO package are developed for a 10-gigabit-capable PON OLT BOSA composed of a 1,577-nm EML and a 1,270-nm avalanche photodiode BM-Rx, including a single-chip burst mode integrated circuit that is integrated with a transimpedance and limiting amplifier. In the developed prototype, the 10-Gbit/s transmitter and 2.5-Gbit/s receiver characteristics are evaluated and compared with the physical media dependent (PMD) specifications in ITU-T G.987.2 for XG-PON1. By conducting the 10-Gbit/s downstream and 2.5-Gbit/s upstream transmission experiments, we verify that the developed 10-gigabitcapable PON PMD prototype can operate for extended network coverage of up to a 40-km fiber reach.

Fast Management of ONUs Based on Broadcast Control Channel for a 10-Gigabit-Capable Passive Optical Network (XG-PON) System

  • Lee, Youngsuk;Lee, Dongsoo;Yoo, Hark;Kim, Youngsun;Kim, Younghan
    • Journal of Communications and Networks
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    • v.15 no.5
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    • pp.538-542
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    • 2013
  • This paper proposes a broadcast software download (BSD) scheme for a 10-gigabit-capable passive optical network (XG-PON), which dramatically reduces the time required to update a remotely-located user terminal's software. The performance of the proposed BSD is examined by numerical analysis and demonstrated by experimental verification on our XG-PON test platforms. The results show that the BSD takes less than 5 minutes to update 45 user-terminal software, while the conventional unicast software download scheme normally takes more than one and half hours.