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Emcore Expands 1550nm CATV Transmitter production

Linear externally modulated transmitters achieve qualification and ship to major cable operators

InP chip and system maker Emcore is expanding production of DOCSIS 3.1, 1550nm CATV transmitters using Linear Externally Modulated Laser (L-EML) technology.

L-EML-based transmitters have achieved qualification with major cable operators and are in volume production. The new Emcore Medallion 8100 L-EML-based 1RU transmitter will be on display at the 2016 Cable-Tec Expo, September 27-29, at the Pennsylvania Convention Center, Philadelphia, PA.

The L-EML device consists of a high-power, low-noise, narrow linewidth laser combined with a proprietary highly-linearised modulator in a monolithic assembly. It enables long distance optical link performance approaching traditional lithium niobate-based externally-modulated transmitters, but is more cost-effective for its targeted applications and far exceeds the performance of Distributed Feedback (DFB) laser-based systems.

"L-EML-based CATV transmitters usher in a new era of transmission technology for the industry and we are extremely pleased at the enthusiastic reception and successful qualification at major MSOs," said Grant Olecko, senior product line director at Emcore. "With the rapid growth of next generation DOCSIS 3.1 deployments, Emcore developed a cost-effective solution that overcomes the technical limitations of linear DFBs, while pushing the boundaries of performance towards traditional, but higher cost, lithium niobate-based solutions," added Olecko.

"The L-EML innovation is a truly disruptive technology in the industry which we unveiled at ANGACOM earlier this year, and we continue to ramp production to meet demand following additional successful trials," commented Gyo Shinozaki, Vice President of Marketing for Emcore. "We are excited to showcase L-EML for the first time publicly in the U.S. at the 2016 Cable-Tec Expo."

At the Cable-Tec Expo, Emcore will also show the company's system level portfolio for CATV including the new Medallion 6100 series transmitters, the Medallion 7110 series of low-noise, high power EDFAs and the Medallion 2100 optical A/B switch. In addition, Emcore will feature its full line of DOCSIS 3.1 lasers, DFB CATV butterfly and TO-56 lasers, low-noise optical receivers, broadband photodiodes, and components for wireless and Distributed Antenna System (DAS) applications.

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