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Laser sources address demand for high-speed optical data links

Posted: 04 Jan 2007     Print Version  Bookmark and Share

Keywords:laser  triple-play  IEEE 802.3  Apogee  CWDM 

Apogee Photonics has introduced new laser sources designed to meet the growing demand for very high-speed optical data links. The company said these new offerings will enable the cost-effective transmission of the emerging class of triple-play applications—Internet, VoIP and interactive video services—that are driving the future need for data link transmission speeds approaching 100Gbps.

Two variations
In support of standards currently under development by the IEEE 802.3 Higher Speed Study Group, the company is developing a family of uncooled CWDM lasers that will support aggregate data rates of more than 100Gbps. Two product variations, both under consideration by the IEEE study group, will be available: a 20Gbps 1310nm EML used in a five-channel CWDM configuration and, alternatively, a 25Gbps EML in a four-channel configuration. These CWDM-based approaches to 100Gbps data links build on the successful LX4 implementation of 10GbE transponders, as well as the recently announced X40 1310nm CWDM solution for 40Gbps links.

The company said its uncooled 20Gbps and 25Gbps 1310 EML lasers are based on its 10Gbps 1310nm EML sources, which have best-in-class mask margin and the ability to operate uncooled over temperature ranges of -20°C to 90°C. The uncooled 10Gbps 1310nm EML is deployed at tier-one OEM and module customers worldwide.

10km link distance
"The key advantage of Apogee Photonics' 10Gbps uncooled 1310nm EML is that the bandwidth can be significantly increased beyond 10Gbps, unlike directly modulated DFB's that are challenged at data rates above 10Gbps," said Milind Gokhale, CTO of Apogee Photonics. "In addition, the 20Gbps and 25Gbps EML sources support the 10km link distance targeted by the 802.3 Study Group."

The Apogee Photonics EML lasers will be available for sample evaluation in early 2007 and, subject to ratification of the 100GbE IEEE standard, will be generally available as early as the second half of 2007.




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