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.
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References in periodicals archive ?
With conventional equipment, however, optical signals need to be converted to electrical signals for processing, limiting the ultimate performance that could be achieved through wave-division multiplexing or other optical multiplexing techniques.
Fujitsu develops high-speed multichannel optical switch based on MEMS mirrors

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