25 March 2014

Emcore launches 1550nm DOCSIS 3.1 DWDM DFB laser module for CATV

Emcore Corp of Albuquerque, NM, USA, which makes compound semiconductor-based components and subsystems for the fiber-optic and solar power markets, has launched the 1752A 1550nm DOCSIS 3.1 dense wavelength division multiplexing (DWDM) distributed feedback (DFB) laser module for cable television (CATV) applications. The 1752A is the latest model in Emcore’s 1550nm quadrature amplitude modulation (QAM) laser platform and is fully compliant with the new DOCSIS 3.1 standard, supporting operational bandwidth up to 1.2GHz.

DOCSIS (Data Over Cable Service Interface Specification) is the standard that facilitates the addition of high-speed data transfer over existing CATV systems for internet access through cable television services. DOCSIS 3.1 is the latest version and is designed to deliver several new benefits to cable companies, including greater capacity and speed. It allows for up to 50% more data throughput over the same spectrum to deliver up to 10Gbps downstream and 1-2Gbps upstream. DOCSIS 3.1 also decreases the cost-per-bit for data delivery by improving the efficiency of spectrum use, and it increases the energy efficiency of cable modems.

The 1752 laser platform has been designed specifically for CATV applications and the latest DOCSIS 3.1 standard. It features 1.2GHz operational bandwidth with low adiabatic chirp to maximize signal quality in short and long lengths of fiber. The 1752A is available in a wide range of ITU grid wavelengths and operates over an industrial temperature range. The laser’s inherent linearity minimizes degradation of broadcast signals caused by QAM channels.

“We are very pleased to introduce our first DOCSIS 3.1 laser module bringing Emcore’s leading-edge highly linear DFB laser technology to the latest standard in the CATV industry,” says Jaime Reloj, VP of business development. “The 1752A DOCSIS 3.1 laser is a key enabling component allowing our customers to provide fully DOCSIS 3.1 compliant systems.”

All Emcore lasers use the highly linear, directly modulated DFB technology, which has become synonymous with high-speed photonics that drove the wide-scale deployment of fiber optics in CATV networks, satellite earth stations and mobile phone antenna sites. The new 1752A laser module extends that performance and reliability to the DOCSIS 3.1 standard.

Tags: Emcore CATV

Visit: www.emcore.com