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4 June 2013

Emcore launches DFB laser modules for wireless and distributed antenna systems

Emcore Corp of Albuquerque, NM, USA, which makes components, subsystems and systems for the fiber-optic and solar power markets, has launched two new distributed feedback (DFB) laser modules designed for analog wireless and distributed antenna system (DAS) applications. The new 1764 1550nm C-band DWDM and 1615 1310nm DFB laser modules are being previewed by Emcore and EQ Photonics in hall 10.2, stand D038, at the ANGA-COM 2013 broadband trade fair in Cologne, Germany (4-6 June).

The increasing demands on wireless networks from social media, texting, email, and the uploading and downloading of applications, music, videos and photos, is creating greater need for the deployment of cost-effective, integrated wireless DAS systems, says Emcore. Both the new 1764 and 1615 Series laser modules are designed, tested and optimized specifically to support highly linearized wireless applications. The lasers are matched to 50Ohm systems typical of wireless networks and have a wide operating temperature range of -40°C to +85°C for reliable performance in harsh node environments and narrow transmitter designs. Both models have a bandwidth up to 2.7GHz.

The 1764 1550nm C-band DWDM laser module has low adiabatic chirp to maximize signal quality over both short and long fiber lengths. The laser's linearity minimizes degradation of the broadcast signals caused by distortions and non-linear effects. The 1764 is available in all C-band ITU grid wavelengths. The 1615 1310nm DFB laser module also delivers superior linearity and supports fiber lengths up to 10km without dispersion issues, says Emcore.

“We are seeing a growing market opportunity for adaptation of our highly linear DFB laser technology for specialized wireless and DAS applications,” says Jaime Reloj, VP of business development. “Wireless systems providers are building systems in subway tunnels, massive stadiums, high-speed trains and cruise ships,” he adds. “Our new DFB lasers for wireless applications integrate extremely well into these systems, enhancing bandwidth to help enable the delivery of consistent, reliable WiFi signals in areas where interference is high, or signals are normally weak.”

Emcore says that all its lasers use the highly linear, directly modulated DFB technology that has become synonymous with the highest-quality, high-speed photonics that drove the wide-scale deployment of fiber optics in CATV networks, satellite earth stations and mobile phone antenna sites. The firm adds that the new 1764 and 1615 DFB lasers extend that heritage of performance and reliability to today's demanding DAS applications and are compatible with the 4G LTE (long-term evolution) standard for wireless high-speed data communications over mobile devices.

Tags: Emcore

Visit: www.emcore.com

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