Patent ID: 9671572
Date: 2017-06-06
CPC Classifications: G02B

Claim:
1. A chip package, comprising: an integrated circuit having an end and a front surface with an integrated-circuit connector pad, wherein the integrated circuit includes at least one of: a driver circuit of an electrical signal for an optical source in an optical integrated circuit, and a receiver circuit of a second electrical signal from an optical receiver in the optical integrated circuit; an integrated-circuit electrical connector electrically coupled to the integrated-circuit connector pad; an interposer having an end, a top surface and a bottom surface, wherein the end of the interposer is horizontally displaced from the end of the integrated circuit, wherein the top surface faces the front surface and has a first interposer connector pad electrically coupled to the integrated-circuit electrical connector, and wherein the bottom surface is on an opposite side of the interposer from the top surface and has a second interposer connector pad electrically coupled to the first interposer connector pad by a via through the interposer, wherein the interposer includes an optical component to focus optical signal; an optical-integrated-circuit electrical connector electrically coupled to the second interposer connector pad; an optical integrated circuit having a front surface, facing the bottom surface of the interposer, with an optical-integrated-circuit connector pad electrically coupled to the optical-integrated-circuit electrical connector, wherein the optical integrated circuit includes at least one of: the optical source configured to output an optical signal based on the electrical signal, and the optical receiver configured to receive a second optical signal and to output the second electrical signal; and an optical-fiber assembly having an end facing the end of the integrated circuit and positioned above the interposer and the optical integrated circuit, wherein the optical-fiber assembly partially overlaps the interposer, wherein the optical-fiber assembly comprises collection optics for an optical-fiber termination, and wherein the optical-fiber assembly further comprises multiple optical apertures that are in-line with alignment features of the optical-fiber assembly; and wherein the optical integrated circuit is positioned so that at least one of: the optical signal is provided to the optical-fiber assembly through the interposer, and the second optical signal is received from the optical-fiber assembly and is provided to the optical integrated circuit through the interposer; and wherein the chip package further comprises a substrate, wherein the substrate comprises a through hole or an etched pit, and wherein the optical integrated circuit is disposed in the through hole or the etched pit.