2015
DOI: 10.1109/jlt.2015.2418432
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A TWDM-PON with Advanced Modulation Techniques and a Multi-Pump Raman Amplifier for Cost-Effective Migration to Future UDWDM-PONs

Abstract: Abstract-Dense wavelength-division multiplexing passive optical networks (DWDM-PONs) and ultra-dense wavelengthdivision multiplexing passive optical networks (UDWDM-PONs) are strong candidates to future next-generation passive optical network stage 3 (NGPON3) access networks in order to satisfy increasing bandwidth demand, but their deployment is still a great challenge for telecommunication operators. PON (WDM-PON). In order to fulfill this aim, with reference to downstream traffic enhancement, two main nove… Show more

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Cited by 11 publications
(7 citation statements)
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“…Other types of fiber amplifiers can be used for PONs: A thulium-based amplifier downstream and a praseodymium-based amplifier upstream [108][109][110][111][112][113][114]. Raman amplifiers can be used for PONs; however, if we take into account the cost and hazardous optical power, it is not the best solution for downstream transmission [115][116][117][118][119]. SOAs can be used as one of the most suitable candidates for future next-generation long-reach PONs.…”
Section: Amplifiers For Ponsmentioning
confidence: 99%
“…Other types of fiber amplifiers can be used for PONs: A thulium-based amplifier downstream and a praseodymium-based amplifier upstream [108][109][110][111][112][113][114]. Raman amplifiers can be used for PONs; however, if we take into account the cost and hazardous optical power, it is not the best solution for downstream transmission [115][116][117][118][119]. SOAs can be used as one of the most suitable candidates for future next-generation long-reach PONs.…”
Section: Amplifiers For Ponsmentioning
confidence: 99%
“…In this case the estimated amplifier gain should be approximately 41.5 dB (otherwise, if SOA-base implementation would be adopted lower gain would be sufficient). In order to achieve large broadband amplification, multipump Raman amplifiers (MRAs) can be used: the use of Raman amplifiers in metro and access segment has been recently proposed [32]; the usage of MRA has recently been proposed also for PONs [33]. MRAs could be used instead of an integrated solution since the optical amplifiers can be placed outside the ROADM, before the AWG.…”
Section: Possible Implementation Based Onmentioning
confidence: 99%
“…Therefore there are 6 amplifiers in each ROADM. In [33] a MRA with three pumps' configuration has been proposed with a total electrical power of 405 mW for about a 25 dB optical gain over a 90 nm bandwidth. Extending this result, a value of ≅ 0.8 W can be estimated to get the required gain.…”
Section: The Value Considered Formentioning
confidence: 99%
“…In ref. , a multi‐pump configuration along with advanced modulation schemes is proposed to accommodate future gain bandwidth requirements of the WDM‐PONs. In ref.…”
Section: Raman Amplification In Passive Optical Networkmentioning
confidence: 99%