Patent ID: 11934011
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Optics (Instruments)
Classification: CPC G  B | IPC B  G

Claim 7:
8. A method comprising:
providing a substrate;
forming a first waveguide on a first surface of the substrate, the first waveguide including a first end surface;
arranging a second end surface of a second waveguide to face the first end surface of the first waveguide, wherein a terrace extends toward the second waveguide from a third end surface of the substrate, the third end surface of the substrate facing the second waveguide;
bonding, with an adhesive layer, a fourth end surface of the terrace to the second end surface of the second waveguide; and
attaching an optical element on the terrace, wherein the optical element is arranged on an optical axis connecting the first end surface of the first waveguide and the second end surface of the second waveguide.