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People of the caliber of Lucent Technologies Inc reckon that wavelength division multiplexing is the way forward for phone companies running out of capacity and not wanting to lay more fiber optic cables (CI No 3,108). Newbridge Networks Corp, Kanata, Ontario is of a like mind and has taken a 33% stake in Cambrian Systems Corp, which is hoping to pioneer the technology with telephone companies wanting to expand their municipal networks. Wavelength division multiplexing uses light streams of different frequencies – colors – to send several bit streams down a single strand of fiber.

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