Alliance Fiber Optic Products, Inc.( Alliance Fiber Optic Products or AFOP) designs, manufactures and markets a range of fiber optic components, and integrated modules incorporating these components, for communications equipment manufacturers and service providers. The Company offers a range of products including interconnect devices used to connect optical fibers and components, couplers and splitters that are used to divide and combine optical power, and dense wavelength division multiplexing (DWDM), devices that separate and combine multiple specific wavelengths. Its subsidiary is Alliance Fiber Optic Products.