Acacia is one of the hottest names in the optical components market and has been pushing the boundaries of 400Gbit/s developments for a couple of years. Its coherent optical transmission technology uses modulation to transport increasing volumes of data traffic over fiber connections and has been hitting the mark on flexibility, high bit-rates and performance metrics. In addition, it has been using silicon photonics to make open up the use of coherent optical interfaces in a broader range of applications and, combined with the vendor's own DSP technology, its silicon photonic integrated circuits (PICs) are at the heart of systems that enable telcos and data center operators to add capacity at increasingly more affordable rates.