However, Ethernet transmission with gigabit-per-second speeds requires special conditioning of multimode fiber to reach 550 meters, and Ethernet that delivers 10 Gbps is limited to even shorter distances. That means operators of local-area and campus networks must upgrade their installed networks for GigE or 10-GigE.
In many cases, the obvious choice is to replace the old multimode fiber network with singlemode fiber. That's relatively easy and inexpensive if the old cabling is easily accessible. But as anyone who has ever had to rewire an old house has learned, recabling can be disruptive and downright expensive if it requires heavy construction or threading new cable through twisting paths in existing walls.
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Founded in 2013, Cailabs is applying technology it developed to very precisely shape light beams. The technology aims the beam into a fiber so that essentially all the light is captured in one of the many modes the fiber can carry.
"Basically, it's all about launching the right mode into the fiber," says company CEO Jean-François Morizur.
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