NeoPhotonics Corporation develops, manufactures, and sells optoelectronic products that transmit and receive digital optical signals that connect the Cloud and hyperscale data center and telecom networks. The Company develops and manufactures transmitter products, receiver products and switch products that are used in ultra-high speed digital optical communications, high-speed switching, and provisioning. The Company produce transmitter and receiver components and modules, as well as switching products, for 400 G and beyond transmission over distances of 2 to 2,000 kilometers. Its Coherent Products include Ultra-Narrow Linewidth Tunable Lasers (NLW-TL), Coherent Modulators and Integrated Coherent Receivers. It is a primary supplier of tunable lasers that emit the ultra-pure light that is required for the highest speed over distance fiber optic communications links.