Optomechanical assembly for a photonic chip

摘要

An optomechanical assembly for a photonic chip is disclosed. The optomechanical assembly may include a planar lightwave circuit optically coupled to a plurality of vertical coupling gratings on the photonic chip, to couple light between an optical connector abutting the planar lightwave circuit and the photonic chip.

主权项

1. An optomechanical assembly comprising:
a substrate; a photonic chip (PC) supported by the substrate, the photonic chip comprising a plurality of PC optical waveguides and a plurality of vertical coupling gratings, wherein each vertical coupling grating is optically coupled to at least one of the plurality of PC optical waveguides; a first planar lightwave circuit (PLC) over the substrate, the first planar lightwave circuit comprising: first and second ends; at least one optical port at the first end; and a first plurality of PLC optical waveguides optically coupled to the at least one optical port and extending to the second end, wherein each one the first plurality of PLC optical waveguides is optically coupled at the second end to a respective one of the plurality of PC optical waveguides via a respective one of the plurality of vertical coupling gratings; and a fiber connector comprising a base comprising a connector mating side for mating with a removable connector; a substrate mounting side opposite the connector mating side; and an opening extending between the connector mating side and the substrate mounting side; wherein the substrate is attached to the substrate mounting side of the fiber connector base; and wherein the first end of the first planar lightwave circuit abuts the substrate mounting side, so that the at least one optical port of the first planar lightwave circuit is disposed against the opening for optical coupling to the removable connector.