Acacia Releases New AC-400 Supporting Advanced Modulation Modes

By CIOReview | Monday, March 23, 2015
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LOS ANGELES, CA: Acacia Communications brings to the telecommunication industry the first of its kind flex-rate coherent 400G Transceiver module named the AC-400. The latest roll out from Acacia, a provider of intelligent transceivers to the telecommunications infrastructure industry; is designed for LH/ULH, metro and Data Center Interconnect networks and reduces the size and power consumption, offering the most cost-effective solution for 100G, 200G and 400G transport.

With 100G coherent transceiver deployment gaining traction in the industry, the firm predicts better economies for coherent applications. Raj Shanmugaraj, Acacia Communications President and CEO says, "Powered by the Acacia's ASIC/DSP and extensive silicon photonic integration for metro and Data Center Interconnect applications, we have been able to extend the performance advantages of an AC-400 module while reducing cost, size and power consumption dramatically."

At the heart of the coherent AC-400 transceiver is the industry's first dual-core ASIC supporting two optical channels and up to 400Gbit/s capacity including a clear channel single 400Gbps traffic flow, optimized for IP packet transport. The embedded framing functionality supports 100G and 400G OTN and Ethernet clients.

"Continuous DSP and FEC innovations have enabled us to reduce the power consumption to a level where it's possible to do all the necessary signal processing and error correction for two channels on a single ASIC without compromising performance," says Acacia's Co-founder and Director of DSP Development, Christian Rasmussen.

The product is expected for release in the second quarter of 2015, and the designers believe that the fourth-generation DSP and FEC provide industry leading soft-decision FEC performance and an additional performance gain through absolute phase encoding. Furthermore, the ability to choose from multiple modulations formats including QPSK, 8QAM, and 16QAM enables our customers to optimize the reach, spectral efficiency and cost of their systems."