100G to 400G ADC and DAC for ultra-high-speed optical networks
At Socionext, we are helping to launch the world's leading 100, 200, and 400 Gigabit optical communication technologies.Ā Ā
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We contribute to a wide range of networking applications, from optical backbone networks for long-haul communications, switches, and routers for smooth communication traffic, supercomputers for high-speed simulation, and factory automation as the core of manufacturing.Ā Ā
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Bandwidth usage is a big area of focus today.Ā Global internet traffic is expected to grow at a compound annual growth rate of 26% from 2014 to 2019. Global internet traffic is expected to grow from 42.4 Exabytes per month in 2014 to 136.1, Exabytes per month in 2019.Ā
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Globally, average Internet traffic will reach 414 Tbps and busy hour internet traffic will reach 1.4 Pbps in 2019. Video services alone expected to account for over 77% of busy time traffic.
Optical Networks: Example Reaches and Speeds

Advanced Modulation for >100Gbps Serial TransmissionĀ
- Electrical B2B measurements made using existing ADC & DAC siliconĀ
- Advanced Modulation (Discrete Multi Tone)Ā
- Channel equivalent to CEI-28G-VSRĀ
- 40nm Silicon MeasurementsĀ
- 136Gbps throughput per laneĀ
- 28nm Silicon MeasurementsĀ
- 170Gbps throughput per laneĀ
- 16nm projectionsĀ
- >200Gbps throughput per laneĀ
- Use of modulation, high speed converters & DSP key to achieving high-bit rate transmission
Socionext Development to address SoC challenges

Socionext coherent ASIC History for optical networking
