ROADM

AcronymDefinition
ROADMReconfigurable Optical Add/Drop Multiplexer
References in periodicals archive ?
The Pluggable Optical Layer builds upon and complements Coriant's leadership in Metro ROADM and Long Haul DWDM, and is designed for use across Coriant's end-to-end product portfolio.
The Z-Series delivers KVH integrated support for 100G coherent optical transponding and muxponding, scale up to 96-channels, and multi-degree ROADM for transporting up to 10 Tb/s on a single fibre.
Vtesse, the leading UK business communications provider, has today announced it has upgraded its services into the Telehouse data centre campus in London's Docklands, adding Telehouse to its expanding multi-degree ROADM (Re-configurable Optical Add Drop Multiplexers) node network.
Other updates include software support for ROADM as well as support for the Sorrento management system, which enables more efficient interface capabilities to Oracle-based systems.
The debate between 40G and 100G in WDM networks is over, so for our latest 40G/100G and ROADM deployment strategies survey we focused on identifying how the rollout of 100G will take place and to what degree networks will migrate to coherent technology and ROADMs," explains Andrew Schmitt, principal analyst for optical at Infonetics Research.
Table 1: Leading Players in the Global Metro ROADM Market
During single-carrier transmission, the speed gradually degrades as it traverses multiple ROADM components, due to the filtering effects of higher bandwidths.
40-Channel PLC ROADM -- JDSU has established the leading planar lightwave circuit (PLC)-based ROADM market share position through the unique design of its PLC platform that enables a high level of integration of the various ROADM functions, including filtering, power measurement, power balancing, switching and control system.
Growth in the overall WDM ROADM equipment market hasn't been stellar, but it has far outstripped the declines seen in ROADM WSS units and revenue," explains Andrew Schmitt, principal analyst for optical at Infonetics Research.
In order to maintain our strong footprint, we deployed a flexible converged next-generation network with ROADM technology that is our key to success in delivering innovative services quickly and efficiently to our customers.
The NESC CDC ROADM network is based on a hybrid solution consisting of Cyan's Z-Series packet-optical transport system and CALIENT's new S320 3D MEMS photonic switch.
Next generation ROADM networks are expected to support colorless, directionless and contentionless (CDC) operation.