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August 13, 2012

Kotura's Ultra Variable Optical Attenuator Now in a Pluggable Package



By Meenakshi Shankar
TMCnet Contributor



Kotura, which focuses on the application of silicon photonics to solve a range of communication challenges, announced a new Ultra Variable Optical Attenuator Module in a pluggable Small Form Package (SFP-VOA).

The new product integrates an optical power monitor function to provide feedback to the Ultra VOA in a control loop design.

"Customers like the option of an industry standard pluggable package," said Xavier Clairardin, vice president of product marketing at Kotura.

"Our Ultra VOAs are already among the most widely used in the industry,” Clairardin added. “The 20-pin SFP package means that designers can better utilize board space by moving the attenuation function to the front panel. Our new product meets the growing trend towards pluggable optics in telecommunications equipment designs."

Based on silicon photonics, Kotura's Ultra VOAs have very fast response times; typically less than one microsecond. The high-speed performance enables functions such as signal modulation, transient suppression and fast power control in WDM agile networks.

Highly reliable, Kotura VOAs have no moving parts and have logged more than one billion device hours in optical networks around the world.

The SFP-VOA has lead times of eight to 10 weeks for quantities of up to 100. The product works over the entire C-Band range of 1525-1570 nm and supports an attenuation range of zero to 25 dB. The module implements the control loop and feedback circuit using a 5-percent tap and photo detector.

Smartphones are just one of the consumer products driving the demand on the telecommunications infrastructure. Each new generation of smartphones comes with more social networking applications, more sophisticated business functions, better video and a faster wireless interface. Networking providers are responding by scaling their networks from 10 Gb/s transmission to 40 Gb/s and 100 Gb/s.

Kotura supplies the optical components required by Agile (News - Alert) networks, allowing them to implement more complex modulation techniques that support 100 Gb/s on a single wavelength. The firm recently announced its 100 Gb/s optical engine for data center and high-performance computing applications, and has 140 issued and applied patents.

Back in November 2011, Frost & Sullivan (News - Alert) awarded Kotura with a New Product Innovation Award for its Variable Optical Attenuator for Optical Communications.


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Edited by Braden Becker
 
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