Anti-fuse and fuse structures for improving the functionality of qubit circuits

A connecting system, comprising:

• a substrate comprising a first cavity and a second cavity;
• a fuse structure comprising:
• a first superconducting trace having a first node and a second node and a portion suspended over the first cavity, wherein the first superconducting trace is configured to receive an output of a laser at the portion to provide an electrical open between the first node and the second node, upon receiving the output of the laser;
• and
• an anti-fuse structure comprising:
• a second superconducting trace having a first segment that is cantilevered over the second cavity;
• a third superconducting trace having a second segment that is cantilevered over the second cavity,
• wherein the first superconducting trace is aligned along a 100 crystal direction of the substrate;
• and
• wherein the second superconducting trace and the third superconducting trace are aligned along a 110 crystal direction of the substrate.

A superconducting connecting system, comprising:

• an anti-fuse structure comprising:
• a substrate;
• a first superconducting trace having a first segment that is cantilevered over a cavity in the substrate;
• a second superconducting trace having a second segment that is cantilevered over the cavity in the substrate, wherein:
• the first segment and the second segment have a gap therebetween,
• the first segment and the second segment are configured to receive an output of a laser, and
• an amount of material in the first segment and the second segment is based on creating a plurality of fuse ball joints that each provide an electrical short between the first superconducting trace and the second superconducting trace, upon receiving the output of the laser;
• a first triangular shaped silicon support under the first segment;
• and
• a second triangular shaped silicon support under the second segment.

A method of programming superconducting components, comprising:

• providing a first superconducting trace having a first segment that is cantilevered over a cavity in a substrate, comprising a first triangular shaped silicon support under the first segment;
• providing a second superconducting trace having a second segment that is cantilevered over the cavity in the substrate, comprising a second triangular shaped silicon support under the second segment;
• coupling a first auxiliary segment to the first segment and suspending the first auxiliary segment over the cavity;
• coupling a second auxiliary segment to the second segment and suspending the second auxiliary segment over the cavity, wherein the first segment and the second segment face have a predetermined gap therebetween;
• and
• applying a laser to the first segment and the second segment to create a fuse ball joint based on the first auxiliary segment and the second auxiliary segment, which provides an electrical short between the first superconducting trace and the second superconducting trace.