Passive optical network (PON):
Used in optical subscriber networks and mobile backhauls.
 Upstream burst:
PONs have one-to-many connections between the central-office transmission equipment and many terminal equipments, and each terminal equipment sends optical signals to the central office in bursts of 1–100 microseconds during the allowed time-slot in order not to interfere with each other.
 Semiconductor optical amplifier (SOA):
Uses compound semiconductors, for which amplification performance varies greatly with temperature, so that cooling components are mounted within the module, and SOAs are used under temperature control.
 Integrated SOA-array:
An SOA chip that integrates multiple SOAs into an array.
 Remote node:
A node comprising an optical coupler splitting/multiplexing signals and an optical amplifier, placed between a central office and terminal equipments.
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This press release has been revised as of December 17, 2018.
Date: 13 October, 2011
City: Tokyo and Kawasaki, Japan
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