Design and cost performance of the multistage WDM-PON access networks. Maier, G., Martinelli, M., Pattavina, A., & Salvadori, E. Journal of Lightwave Technology, 18(2):125-143, IEEE, 2, 2000.
Design and cost performance of the multistage WDM-PON access networks [link]Website  doi  abstract   bibtex   
The advantages of employing passive optical architectures in the\naccess network have been largely recognized. Particularly, recent\ndevelopments in optical technologies have made the realization of\nwavelength division multiplexing passive optical networks (WDM PONs)\nfeasible and cost-effective. These networks are more future-proof than\nconventional PONs, thanks to their intrinsic optical transparency and\ntheir extremely high transmission capacity. A very useful optical\nrouting device, called waveguide grating router, is the basic\nbuilding-block of new PON architectures capable of connecting a large\nnumber of users or to improve the use of the optical bandwidth. In this\npaper, we analyze the connectivity of WDM PONs composed of multiple\nstages of WGR devices. A design tool is also presented which is able to\neasily evaluate the connectivity functions of complex WDM PONs. The\nfeasibility of these architectures is discussed by considering the costs\nand the technological limitations on the optical components
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 title = {Design and cost performance of the multistage WDM-PON access networks},
 type = {article},
 year = {2000},
 pages = {125-143},
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 month = {2},
 publisher = {IEEE},
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 abstract = {The advantages of employing passive optical architectures in the\naccess network have been largely recognized. Particularly, recent\ndevelopments in optical technologies have made the realization of\nwavelength division multiplexing passive optical networks (WDM PONs)\nfeasible and cost-effective. These networks are more future-proof than\nconventional PONs, thanks to their intrinsic optical transparency and\ntheir extremely high transmission capacity. A very useful optical\nrouting device, called waveguide grating router, is the basic\nbuilding-block of new PON architectures capable of connecting a large\nnumber of users or to improve the use of the optical bandwidth. In this\npaper, we analyze the connectivity of WDM PONs composed of multiple\nstages of WGR devices. A design tool is also presented which is able to\neasily evaluate the connectivity functions of complex WDM PONs. The\nfeasibility of these architectures is discussed by considering the costs\nand the technological limitations on the optical components},
 bibtype = {article},
 author = {Maier, Guido and Martinelli, Mario and Pattavina, Achille and Salvadori, Elio},
 doi = {10.1109/50.822785},
 journal = {Journal of Lightwave Technology},
 number = {2}
}

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