US 2024/0393536 A1 · OPTICAL WAVEGUIDE TERMINATION

Abstract

The present disclosure relates to optical waveguide termination devices. In some embodiments, an optical waveguide termination device is coupled to an end of an optical waveguide. The optical waveguide termination device is a tapered structure. In various embodiments, an optical absorption rate of the tapered structure is increased to enhance a termination efficiency. The optical absorption is increased by highly-doped material, multi-layer structure, different cladding, and periodic structure. The enhancement of the termination efficiency benefits size reduction of the tapered structure.

Claims20

Dependent claims

A system for measuring an efficiency of an optical waveguide termination device, comprising:

a splitter having a first side and a second side, the first side having a single port and the second side having two ports, the single port, in operation, configured to connect to a first optical waveguide including a first optical waveguide termination device coupled to a first end of the first optical waveguide and a second end for coupling to the first side of the splitter;
an input grating coupler coupled to a first end of a second optical waveguide, a second end of the second optical waveguide is coupled to one of the two ports of the second side of the splitter;
and
an output grating coupler coupled to a first end of a third optical waveguide, a second end of the third optical waveguide is coupled to another of the two ports of the second side of the splitter.

1 more element

A system, comprising:

a splitter having a first side and a second side, the first side having a first port and a second port and the second side having a third port and a fourth port, the first port, in operation, configured to connect to a first optical waveguide including a first optical waveguide termination device coupled to a first end of the first optical waveguide and a second end for coupling to the first side of the splitter, and the second port, in operation, configured to connect to a second optical waveguide including a second optical waveguide termination device coupled to a first end of the second optical waveguide and a second end for coupling to the first side of the splitter;
an input grating coupler coupled to a first end of a third optical waveguide, a second end of the third optical waveguide is coupled to the third port of the splitter;
and
an output grating coupler coupled to a first end of a fourth optical waveguide, a second end of the fourth optical waveguide is coupled to the fourth port of the second side of the splitter.

1 more element

Dependencies are inferred from the claim text.

Optical waveguide termination

Life of this patent

Optical waveguide termination

Life of this patent

Abstract

Claims20