wavelength-division multiplexing

(redirected from Coarse WDM)

wavelength-division multiplexing

[¦wāv‚leŋth də¦vizh·ən ′məl·tə‚pleks·iŋ]
(communications)
The sharing of the total available pass-band of a transmission medium in the optical portion of the electromagnetic spectrum by assigning individual information streams to signals of different wavelengths. Abbreviated WDM.
References in periodicals archive ?
MIRAGE will introduce new dimensions of parallelization in interconnects to gracefully upgrade capacity and density combining for the first time multi-core fiber multiplexing, coarse WDM multiplexing and multi-level modulation.
Nasdaq:MRVC), a provider of high-bandwidth, Ethernet Access solutions, have announced that at SuperComm 2002, both companies will demonstrate commercialization of 1400 nm equipment, using MRV's 16-channel Coarse WDM (CWDM), Lambda Driver WDM system and OFS' AllWave fiber.
We designed the LambdaDriver coarse WDM ("CWDM") and dense WDM ("DWDM") system from the ground up to comply with NEBS Level 3 robust standards and this certification assures them that the LambdaDriver WDM meets those criteria.
description and comparison of wideband WDM, narrowband WDM, Coarse WDM (CWDM) and Dense WDM (DWDM)
For the transport network, Alcatel will provide its dense and coarse WDM optical networking equipment to deliver triple play services, Storage Area Network (SAN) extension and Gigabit Ethernet connectivity.
However, while very few major LECs and PTTs were cutting large purchase orders for WDM products, large enterprises were embracing both Dense and Coarse WDM for "metro" applications.
The bulk of fiber installed in the enterprise market is legacy-grade multi-mode, and the only current 10G solution is Coarse WDM interfaces (LX4), which has proven to be too expensive for enterprise applications.
With Meriton's solution, Sho-Me has the ability to intermix the use of dense and coarse WDM interfaces, supporting both Gigabit Ethernet and OC-n traffic for its wholesale customers.
Access to the E-band window increases usable capacity by 50% and allows for application of dense WDM (DWDM) or coarse WDM (CWDM) across the spectrum.
Tellabs also adds to its portfolio a customized version of the White Rock VLX1010, a wavelength division multiplexing (WDM) platform that supports a seamless migration from coarse WDM to dense WDM, affording customers a "pay-as-you-grow" solution.
The "10 Hottest Technologies" for 2003 as chosen by Telecommunications(R) Magazine are: Session Controllers, Wi-Fi, Virtual Private LAN Service, ADSL2/ADSL2plus, data over SONET, RF/Fiber Extension, Inventory Management, Coarse WDM, Next-Gen Mobile Switching Centers, and TDM over MPLS.