Sumitomo has a wide array of products including 10Gbps transceivers, DWDM SFP Transcievers & DWDM Lasers and CWDM SFP transceivers & CWDM lasers to infuse your metro core designs with the highest levels of performance and unparalleled reliability.

Sumitomo has long been the #1 SONET transceiver supplier in he world, and now offers a full range of Ethernet based products as well.

Whether you require a single wavelength system at 1310nm or 1550nm, or a multichannel system for DWDM or CWDM, we have product to match your needs.

If you are designing your own transcievers, our mini-TOSA lineup was specifically designed for SFP and SFF applications. Sumitomo is the #1 DFB supplier in the world due to our world class performance, high reliability, and strong production capabilities.