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TOSA for 80 km 10 Gb/s

Photonics.com
Mar 2005
Redfern Integrated Optics (RIO)Request Info
 
SANTA CLARA, Calif., March 4 -- Redfern Integrated Optics Inc. (RIO) will showcase at next week's OFC/NFOEC 2005 conference (booth 2756) a small-format TOSA (transmitter optical subassembly) based on a new type of directly modulated laser that uses planar external-cavity (PLANEX) laser technology. The physical interface of the TOSA is compliant with the XFP Miniature Device Multi-Source Agreement (XMD MSA). Applications include SONET OC192 IR-2/LR-2c, SDH64 S64.2a,b/L64.2c, 10GbE 10GBASE-ER/EW/ZR and Fiber Channel.

RIO said the TOSA features the advantages of its PLANEX technology to deliver performance comparable with externally modulated lasers, combined with the low cost and simplicity of directly modulated lasers, to provide the industry's lowest cost per port for 10 Gb/s over 80 km of SMF-28 fiber.

"Monolithic or hybrid integrated electroabsorption modulated lasers (EMLs) are expensive, especially for distances up to 80 km, and prohibitively expensive for narrow grid DWDM," said Radu Barsan, president and CEO of RIO. "In contrast, by leveraging pretested, low-cost silicon-based planar lightwave circuit (PLC) components, a simple design, and volume-oriented assembly processes, RIO's approach offers significant manufacturing cost reduction, while meeting or exceeding the high-performance and reliability requirements of telecom standards. In addition, postponing the wavelength decision until the packaging step significantly reduces the cost and lead time for delivering DWDM devices."

RIO manufactures the PLC components in its silica-on-silicon wafer fabrication facility and outsources all other components and manufacturing steps.

For more information, visit: www.rio1.com; e-mail: enquiry@rio1.com

Redfern Integrated Optics Inc.
3350 Scott Blvd., Bldg.62
Santa Clara, CA 95054
Phone: (408) 970 3500
Fax: (408) 970 3200



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