Abstract: Various embodiments provide apparatuses, systems, and methods related to a dual-sided optical package. The package may include a base plate with a first side and a second side opposite the first side. The base plate may have a coolant channel positioned between the first side and the second side. A first set of optics may be coupled with the first side of the base plate, and a second set of optics may be coupled with the second side of the base plate. Other embodiments may be described and/or claimed.

Abstract: Various embodiments provide apparatuses, systems, and methods related to a heat sink with one or more removable inserts. Respective inserts may include one or more fins that define one or more channels for flow of cooling fluid. The fins may be formed of a composite material that is different than a material of the heat sink body. Other embodiments may be described and/or claimed.

Abstract: A heat source package, comprising a housing having a metal base portion with one or more channels formed therein, the one or more channels having an inner surface, a coating of an anti-corrosive material adhered to a portion of the inner surface of the one or more channels wherein the anti-corrosive material is selected to have a thermal conductivity within a threshold range such that the coating changes the thermal resistance of a coated portion of the channel less than 25% with respect to an uncoated portion of the metal base portion. In examples, a heat source may be thermally coupled to the inner surface of the channels and the channels may be formed to conduct a liquid coolant from a liquid inlet to a liquid outlet to dissipate heat away from the heat source.