DWDM


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DWDM

DWDM

(Dense WDM) The term given to wavelength division multiplexing (WDM) when significantly more channels were being added. Since WDM is increasingly more "dense" all the time, both terms are used synonymously. See WDM.
References in periodicals archive ?
Backed by its extensive experience and leadership in DWDM technology, Nortel Networks developed the Common Photonic Layer to deliver significant simplification of DWDM optical line systems by eliminating the need for expensive circuitry found in today's line systems.
The PM 1008's aggregation capabilities enable service providers and enterprises to reduce the number of wavelengths used in CWDM or DWDM networks, reducing costs while increasing transport capacities.
TDM technology can additionally be combined with DWDM to make better utilization of wavelengths.
Hitachi Telecom's product, an enhanced version of the AMN 6100, offers unique and dynamic system adjustment based on optical switched traffic such that the DWDM system performance is automatically maintained at peak levels no matter the constant switching and traffic reconfigurations caused by either OEO or all-optical switches.
Under the joint development agreement, NEC and Tellium plan to develop a client interface card that integrates Tellium's Aurora Optical Switch with NEC's SpectralWave 160 DWDM transponder.
Relative to traditional carrier circuit technologies, a DWDM optical network today has a capacity 14,222 times that of a D53/T3 circuit (45Mbps), about 4,129 times that of an OC3 circuit (155Mbps) and 512 times that of a single Gigabit Ethernet or Fibre Channel connection (1.
Converting 10G LAN PHY to WAN PHY allows service providers to use their installed base of SONET/SDH and DWDM networks for the transport of 10G Ethernet.
The report researches multiple areas of DWDM technologies and markets and analyzes the current situation in core fiber optics transmission.
The Active Thin Films technology platform is the basis for Aegis' low-cost channel monitor products, which have gained wide acceptance in DWDM fiber-optic communications networks, fueled by service provider deployments of Re-configurable Optical Add-Drop Multiplexer (ROADM) systems, multi-haul (or multi-reach) DWDM systems and transparent optical network architectures that support third party (or "alien") wavelengths.
Worldwide telecommunications service provider DWDM equipment market forecasts indicate that markets at $4.
The trajectory of Siemens' long-haul DWDM ROADM revenues, based on the company's significant international progress during 2005, has positioned the Siemens hiT 7500 platform for success well into the future," said Michael Howard, principal analyst, Infonetics Research.
TietoEnator has found that the Cisco intelligent DWDM solution will simplify network maintenance and accelerate service delivery to clients.