Abstract

Passive optical networks (PONs) have been proposed1 as replacements for the aging copper plant in the telephone network. WDM PONs that use a wavelength-division multiplexer have distinct service advantages and marked cost disadvantages relative to conventional broadcast PONs.2 A recently proposed and demonstrated3 WDM PON uses a waveguidegrating router4 (WGR) and a single shared source to ameliorate some of the more costly attributes of previous WDM PONs. For this to be cost effective, both a multiwavelength laser and an inexpensive modulator need to be developed.

© 1995 Optical Society of America

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References

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