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Opnext demonstrates InP tunable TOSA at OFC/NFOEC

The firm’s tunable transmitter optical subassembly (TOSA) features an internally designed tunable laser that delivers wavelength stability.

Opnext, a provider of high speed optical communications technology demonstrated its integrated Tunable TOSA during OFC/NFOEC, the industry's largest optical communications conference between March 8 and 10 in Los Angeles.

The demonstration highlighted automatic wavelength tuning designed to deliver stable wavelength control.

"Opnext's Tunable TOSA has been specifically designed to help customers reduce wavelength inventories and address their wavelength needs and time-to-market requirements," said Tadayuki Kanno, President of the Opnext module business unit. "Using our own, in-house designed Tunable TOSA, we're bringing the Opnext quality that our customers have come to expect in all our products."

Opnext's Tunable TOSA, developed in collaboration with Hitachi's Central Research Laboratory (CRL), is a hybrid design that combines the tunable laser and InP-MZ (Mach Zehnder) chips to offer optical shutter functionality.

The Tunable TOSA delivers system performance to address mode-hopping for optimized wavelength stability in a variety of DWDM applications. In addition, the Tunable TOSA design will flexibly support negative chirp or zero-chirp DWDM applications to replace DWDM-XFP or 300-pin tunable transponders.

"Network equipment manufacturers are rapidly deploying tunable XFPs over 300-pin transponders because they are smaller and more cost effective," said Ovum's VP and Practice Leader Daryl Inniss. "We project tunable XFPs to grow at a compounded annual growth rate of over 50% from 2010 through 2013; they represent one of the fastest growing market segments in the optical component space."

Working samples of Opnext's Tunable XFP are scheduled to be available in June, with mass production planned for late fall.

 

 
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