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RED-C Introduces Amplifiers for Next Generation ROADM Networks.

TEL-AVIV, Israel -- RED-C Optical Networks Ltd. (RED-C), a leading provider of EDFAs, Raman amplifiers and optical monitoring devices for all optical network applications, today announced the launch of advanced amplifiers specifically designed to target next generation ROADM networks. These include a variety of high density EDFA packages for integration in ROADM line cards, as well as a new four-pump Hybrid Raman-EDFA module enabling dynamic path reconfiguration.

Next generation ROADM networks are expected to support colorless, directionless and contentionless (CDC) operation. This requires a number of power splitters, wavelength selective switches (WSSs), MUXes and DeMUXes within each high degree node, together with EDFAs to overcome the resulting high insertion loss. To address this need RED-C has introduced high-density modules containing two, four, or eight EDFAs, which can be integrated on a ROADM line card. Although packaged together in a single module, each EDFA within the module can support full WDM operation including transient suppression, and can be controlled completely separately from the other EDFAs in the module.

Another requirement of next-generation ROADM networks is the support of dynamic optical path reconfiguration. This can lead to a situation where WDM channels traverse very large distances without being regenerated, thus requiring good OSNR throughout the network. To this end RED-C has expanded its existing Hybrid Raman-EDFA product line to include a new model comprising three Raman pumps and one EDFA pumps. This new model provides an exceptionally low noise figure of 0 dB, compared to about 6 dB for a conventional EDFA, allowing up to a four-fold increase in the optical path length between regenerators.

As with the entire Hybrid Raman-EDFA product line, the new model provides seamless integration of a distributed Raman pre-amplifier and a variable gain EDFA in a single compact module. The integrated Hybrid control circuitry operates in advanced AGC mode so that the combined Raman and EDFA gain is accurately measured and controlled, including fast transient suppression. The module operation and interface are similar to those of a traditional variable gain EDFA, and therefore requires no special system adaptations. Thanks to advanced laser safety mechanisms the module is classified as Class 1M with respect to laser safety.

Yossi Boker, RED-C President & CEO, commented: "We are confident that these new offerings from RED-C will play a key role in enabling next generation ROADM networks. The introduction of high density EDFA modules and the expansion of RED-C's exclusive Hybrid Raman-EDFA product line further emphasize RED-C's commitment to excellence and technology leadership."

For further information on RED-C's high density amplifiers and Hybrid Raman-EDFA solutions, visit us at ECOC 2011, Geneva, 19-21 September, stand 1518.

About RED-C

RED-C Optical Networks Ltd. ( is a leading provider of state-of-the-art EDFAs, Raman amplifiers and optical monitoring devices for all network segments (long haul, regional, metro and access) and for all network applications (telecom, cable and enterprise). Beside a broad variety of EDFA and Raman modules, RED-C offers innovative and comprehensive solutions for some of the industry's most difficult technological challenges today, such as 100/40 Gb/s coherent transmission, ultra-long repeaterless links, and low latency networks.
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Publication:Business Wire
Date:Sep 12, 2011
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