Patent ID: 11880071
Assignee: CORNING RESEARCH & DEVELOPMENT CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. The method of claim 14, wherein the first PLC member comprises a first thickness region proximate to the first end face, the second PLC member comprises a first thickness region proximate to the send end face, and the method further comprises:
thinning a portion of the first PLC member to cause the first PLC member to include a second thickness region proximate to the first output end face that is reduced in thickness relative to the first thickness region of the first PLC member, and to cause first waveguides of the plurality of first waveguides to be elevated relative to the second thickness region of the first PLC member; and
thinning a portion of the second PLC member to cause the second PLC member to include a second thickness region proximate to the second output end face that is reduced in thickness relative to the first thickness region of the second PLC member, and to cause second waveguides of the plurality of second waveguides to be elevated relative to the second thickness region of the second PLC member.