Abstract: An exemplary embodiment of the invention relates to an optical connector comprising a wave-guiding element and a lens device configured to transmit radiation between the wave-guiding element and at least one optical port of the connector, wherein the lens device comprises a first outer surface and a second outer surface opposite the first outer surface, wherein the first outer surface is connected to the wave-guiding element and forms at least one lens, and wherein a section of the second outer surface opposite said at least one lens forms said at least one optical port of the connector.

Abstract: An exemplary embodiment of the invention relates to an optical connector comprising a wave-guiding element and a lens device configured to transmit radiation between the wave-guiding element and at least one optical port of the connector, wherein the lens device comprises a first outer surface and a second outer surface opposite the first outer surface, wherein the first outer surface is connected to the wave-guiding element and forms at least one lens, and wherein a section of the second outer surface opposite said at least one lens forms said at least one optical port of the connector.

Abstract: An embodiment of the invention relates to an optical assembly comprising a circuit board comprising a first side, a second side, and at least one hole that extends through the circuit board, a photonic chip having a front side and a back side, the front side of the photonic chip being mounted on the first side of the circuit board and electrically connected to at least one electrical conductor of the circuit board, at least one component being mounted on the front side of the photonic chip opposite the hole and protruding from the front side of the photonic chip into the hole or through the hole, and a wave-guiding element that is located on the second side of the circuit board and optically coupled to the photonic chip through said hole.