Lumotive’s Light Control Metasurface chips – example shown is smaller than a quarter – guide photons using the light-bending properties of metamaterial surfaces. (Lumotive Photo) Lumotive, a Redmond, Wash.-based startup that manufactures semiconductor chips tailored for 3D sensors, raised $45 million in a Series B round. Gates Frontier, an investment arm of Microsoft co-founder Bill Gates, co-led the round with Silicon Valley fund MetaVC. Lumotive, which launched in 2017 and spun out of Bellevue...