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We’re an industry leader in next generation optical fiber.

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Fusion Splicer Solutions

When it comes to optical fiber fusion splicers, no other company in the world can match Sumitomo Electric Lightwave for innovation, speed, and performance.

FutureFLEX® Air-Blown Fiber® Solutions

Sumitomo Electric Lightwave’s FutureFLEX® Air-Blown Fiber offers unprecedented ease of installation, flexibility, and cost savings for current and future network requirements. As the first to introduce the air blown fiber technology in North America, the FutureFLEX® solution offers competitive features and benefits to make it compatible with any network infrastructure design.
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Connectivity Solutions

Sumitomo Electric Lightwave Connectivity Solutions feature Lynx-CustomFit™ Splice-On Connectors enabling quick, easy, and reliable customized FTTx, outside-plant, and inside-plant permanent field terminations without the shorts, excess slack, and logistic delays of preterminated cables.
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Optical Fiber Solutions

Sumitomo Electric Lightwave’s vast portfolio of optical fiber ribbon cables ensure that any network can run on the reliability and flexibility that Sumitomo’s products offer. Ranging from inside riser rated ribbon cables to interlocking armored jacketed cables, the optical fiber cables offered by SEL are sure to fit any application.
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4th Level® Data Center Solutions

4th Level® Data Center Solutions simplify the complex by offering the latest innovations in the fiber optic industry. By providing a complete end-to-end solution, Sumitomo Electric Lightwave ensures that your network is capable of providing for future bandwidth capacity.
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How-To Videos

Browse our video library for tutorials and preventative maintenance support.

Data centers often must rapidly increase transmission capacity. See how SEL’s pre-connectorized ultra-high-fiber-count (UHFC) optical fiber cables maximize duct space, minimize installation time/cost, and offer high-level durability and workability.

In today's Data Center market, the need for high bandwidth requires the effective use of duct space, racks, and entrance frames. To learn how Freeform Ribbon® can maximize these areas, visit

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