Lightwave Breaking News |View online | November 3, 2009
PON ONTs and wireless backhaul
Geoff Burke, senior director, corporate marketing at Calix, explains why operators need a variety of ONTs to meet differing applications, including wireless backhaul. He also goes in depth on PON as a wirelss backhaul medium.
ElectroniCast: Media converter sales dip in 2009, but then recover
The global consumption value for selected media converters used in private enterprise data communications networks, such LANs and WANs, reached nearly $1.8 billion in 2008, according to ElectroniCast Consultants. The market research firm predicts in its latest report, “Media Converters in Private Enterprise Data Communications,” that the consumption value will increase with strongly rising quantity growth partially offset by declining average prices.
Bristol Virginia Utilities receives $3.5 million for broadband construction
Bristol Virginia Utilities (BVU) was awarded $3.5 million in grant funding last week from the Virginia Tobacco Indemnification and Community Revitalization Commission to expand its broadband infrastructure along Virginia’s Interstate 81 to benefit Southwest and Southside Virginia.
Lightower to expand all-fiber network in northern New Jersey
The network expansion will add new routes and fiber density plus connectivity to data centers and financial exchanges. It also will provide additional capacity and dark fiber from New York City, through New Jersey, up to the Hudson Valley.
Engineering DPSK spectral properties enables superior performance through multiple cascaded optical wavelength-selective switches
By M. Jordan, E. Granot, M. Caspi, Y. Stav, N. Narkiss, M. Roelens, S. Frisken, S. Poole, J. Leuthold, and S. Ben-Ezra -- Wavelength-selective switches (WSS) are crucial elements in a 40G network, but degrade signal quality. Measurements show crosstalk can increase the BER by an order of magnitude, which is equivalent to additional four WSS. However, when the WSS are replaced with a tunable alternative, more than 1.5-dB/0.1-nm improvement in OSNR results.
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