wavelength-division multiplexing

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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 ?
Both have been overlaid on an encrypted Dense Wavelength Division Multiplexing (DWDM) and Coarse Wavelength Division Multiplex (CWDM) network, also from Nokia.
Using Huawei Marine's Wavelength Division Multiplex (WDM) and Optical Transport Network (OTN) technologies, the 290-km system will feature a design capacity of 8 Tbps and link the capital of Malabo to Bata, the country's economic hub, with a branching unit towards Kribi, Cameroon.
The transparency provided by the OXC ensures switching of multiple data rates in dense wavelength division multiplexed (DWDM) optical networks.
NIST has developed two wavelength calibration transfer standards for the new L-band of wavelength division multiplexed (WDM) optical fiber communication systems.
Designed for applications such as dense wavelength division multiplexed (DWDM) fibre-optic telecommunications networks, the Metro EDWA unit integrates a pump laser, a pump multiplexer, a waveguide amplifier, a pump kill filter and a tap coupler in a 130 x 27 x 13 [mm.SUP.3] package.
In response to rapid changes in fiber optic technology, NIST is developing techniques and standards to support the measurement of optical components and subsystems used in wavelength division multiplexed (known as WDM) optical fiber communication systems.
Wavelength calibration references are needed in the 1500 nm region to support wavelength division multiplexed (WDM) optical fiber communication systems.
They are very useful as wavelength filters and dispersion compensators in the new wavelength division multiplexed optical fiber communication systems and also make excellent strain sensors that can be networked to obtain distributed strain measurements of large structures, such as bridges and ships.

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