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Emcore Introduces new DOCSIS 3.1 Transmitter at ANGA COM 2016

New externally-modulated InP laser technology approaches LiNbO3-based performance

Emcore, a provider of InP optical chips, components, and systems, has introduced the Medallion 8100 Series DOCSIS 3.1, L-EMLTM 1550nm externally-modulated CATV transmitter. The new transmitter will be on display at ANGA COM 2016 Exhibition and Congress for Broadband, Cable & Satellite, at the Cologne Congress Centre, Germany from June 7-9.

At its core, the new device uses a Linear Externally Modulated Laser (L-EMLTM), invented and developed by Emcore.

The L-EMLTM 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 LiNbO(lithium niobate)-based externally-modulated transmitters, but is more cost-effective for its targeted applications and far exceeds the performance of Distributed Feedback (DFB)-based systems, according to the company.

The Medallion 8100 series provides options to accommodate a range of network architectures. The series includes P-Type, C-Type, T-Type and R-Type transmitters. The P-Type transmitters offer a high-performance solution for applications where the simultaneous transport of CATV and Satellite Intermediate Frequency (SAT-IF) signals are required. The SAT-IF signals can be applied anywhere in the 950 to 3500MHz band.

The C-Type and T-Type series transmitters are for use in node-splitting architectures requiring cost-effective DWDM transmission over medium length fiber distances. They are easily configured to meet most Hybrid Fibre Coaxial (HFC) networks requiring link lengths from 0 to 65km with one Erbium Doped Fiber Amplifier (EDFA), as well as links using multiple EDFA's.

The R-Type series transmitters are designed for Fibre-To-The-Premise (FTTP) and Radio Frequency over Glass (RFoG) architectures requiring high-quality transmission over varying transmission lengths and EDFA output powers. These transmitters successfully support very high optical launch powers while controlling the detrimental effects of Stimulated Brillouin Scattering (SBS), Group Velocity Dispersion (GVD), and Self-Phase Modulation (SPM).

"The Medallion 8100 series of rack-mount CATV transmitters ushers in a new era of transmission technology for the industry," said Grant Olecko, senior product line director at Emcore. "With the rapid adoption of next generation DOCSIS 3.1 deployments throughout the world, Emcore recognised the need for 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 offers us a truly disruptive technology in the industry and we are excited to unveil it to the world at ANGA COM," added Gyo Shinozaki, vice president of marketing for Emcore.

At ANGA COM, Emcore will show its full system level portfolio for CATV including the new Medallion 6100 series transmitters, the Medallion 8000 series of directly-modulated transmitters, the new Medallion 7110 series of low-noise, high power EDFA's and the Medallion 2100 series of optical switches. In addition,

Emcore will also be featuring its full line of DFB butterfly lasers, DOCSIS 3.1 lasers, TO-56 lasers, low-noise optical receivers, broadband photodiodes and components for wireless and Distributed Antenna System (DAS) applications.

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