US Patent 11181690 Coupling between a waveguide device and fiber stub

An optical device includes a waveguide device and a fiber stub. The fiber stub at least partially contains a first optical fiber and is directly attached to the waveguide device by an adhesive. The first optical fiber is to be coupled to a second optical fiber included in an optical connector when the optical connector is inserted into a receptacle of the optical device. The fiber stub is to couple the first optical fiber to at least one of the waveguide device or an optical waveguide included in the waveguide device.