Patent
US 10,454,016NUMBER-RESOLVING PHOTON DETECTOR WITH GRAPHENE-INSULATING-SUPERCONDUCTING JUNCTION
Kin Chung Fong
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,454,016Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a schematic illustration of a graphene-insulating-superconducting junction, according to an embodiment of the present invention; [0029] FIG. IC is …
FIG. 2A is a schematic diagram of a sensing head, according to an embodiment of the present invention; [0031]
FIG. 3 is a block diagram of a photon detector with a graphene-insu l ating- superconducting junction, according to an embodiment of the present invention; and …
FIG. 4 is a schematic illustration of a system for coupling optical photons from an optical waveguide to a graphene sheet, according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photon detector, having a sensing input for receiving photons, and comprising: a graphene-insulating-superconducting junction comprising a graphene sheet; and a sensing circuit, connected to the graphene-insulating-superconducting junction, for measuring a differential resistance of the graphene-insulating-superconducting junction, the graphene sheet being configured to undergo, when a photon is absorbed by the graphene sheet, an increase in temperature and a subsequent decrease in temperature, resulting in corresponding changes in the differential resistance of the graphene-insulating- superconducting junction.
The photon detector of claim 1, wherein the sensing circuit comprises: an interrogation circuit connected to the graphene-insulating-superconducting junction; and a receiver circuit connected to the graphene-insulating-superconducting junction, the interrogation circuit being configured: to generate an inbound radio frequency signal, and to feed the inbound radio frequency signal to the graphene-insulating- superconducting junction, the receiver circuit being configured to receive an outbound radio frequency signal from the graphene-insulating-superconducting junction.
The photon detector of claim 1, comprising: a first layer of hexagonal boron nitride immediately adjacent a first surface of the graphene sheet, and a second layer of hexagonal boron nitride immediately adjacent a second surface of the graphene sheet.
The photon detector of claim 1, wherein the graphene sheet consists of a single atomic layer of graphene.
The photon detector of claim 1, wherein the graphene sheet comprises two atomic layers of graphene.
Layer stacks claimed or described, ordered top of device to substrate.
photon detector with graphene-insulating-superconducting junction
Materials described outside the worked examples.
graphene sheet
insulating layer
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hexagonal boron nitride layer thickness (claimed range) | 1–1000 nm | hBN |
hexagonal boron nitride layer thickness (described embodiment) | 1–100 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,454,016Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a schematic illustration of a graphene-insulating-superconducting junction, according to an embodiment of the present invention; [0029] FIG. IC is …
FIG. 2A is a schematic diagram of a sensing head, according to an embodiment of the present invention; [0031]
FIG. 3 is a block diagram of a photon detector with a graphene-insu l ating- superconducting junction, according to an embodiment of the present invention; and …
FIG. 4 is a schematic illustration of a system for coupling optical photons from an optical waveguide to a graphene sheet, according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photon detector, having a sensing input for receiving photons, and comprising: a graphene-insulating-superconducting junction comprising a graphene sheet; and a sensing circuit, connected to the graphene-insulating-superconducting junction, for measuring a differential resistance of the graphene-insulating-superconducting junction, the graphene sheet being configured to undergo, when a photon is absorbed by the graphene sheet, an increase in temperature and a subsequent decrease in temperature, resulting in corresponding changes in the differential resistance of the graphene-insulating- superconducting junction.
The photon detector of claim 1, wherein the sensing circuit comprises: an interrogation circuit connected to the graphene-insulating-superconducting junction; and a receiver circuit connected to the graphene-insulating-superconducting junction, the interrogation circuit being configured: to generate an inbound radio frequency signal, and to feed the inbound radio frequency signal to the graphene-insulating- superconducting junction, the receiver circuit being configured to receive an outbound radio frequency signal from the graphene-insulating-superconducting junction.
The photon detector of claim 1, comprising: a first layer of hexagonal boron nitride immediately adjacent a first surface of the graphene sheet, and a second layer of hexagonal boron nitride immediately adjacent a second surface of the graphene sheet.
The photon detector of claim 1, wherein the graphene sheet consists of a single atomic layer of graphene.
The photon detector of claim 1, wherein the graphene sheet comprises two atomic layers of graphene.
Layer stacks claimed or described, ordered top of device to substrate.
photon detector with graphene-insulating-superconducting junction
Materials described outside the worked examples.
graphene sheet
insulating layer
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hexagonal boron nitride layer thickness (claimed range) | 1–1000 nm | hBN |
hexagonal boron nitride layer thickness (described embodiment) | 1–100 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,454,016Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a schematic illustration of a graphene-insulating-superconducting junction, according to an embodiment of the present invention; [0029] FIG. IC is …
FIG. 2A is a schematic diagram of a sensing head, according to an embodiment of the present invention; [0031]
FIG. 3 is a block diagram of a photon detector with a graphene-insu l ating- superconducting junction, according to an embodiment of the present invention; and …
FIG. 4 is a schematic illustration of a system for coupling optical photons from an optical waveguide to a graphene sheet, according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photon detector, having a sensing input for receiving photons, and comprising: a graphene-insulating-superconducting junction comprising a graphene sheet; and a sensing circuit, connected to the graphene-insulating-superconducting junction, for measuring a differential resistance of the graphene-insulating-superconducting junction, the graphene sheet being configured to undergo, when a photon is absorbed by the graphene sheet, an increase in temperature and a subsequent decrease in temperature, resulting in corresponding changes in the differential resistance of the graphene-insulating- superconducting junction.
The photon detector of claim 1, wherein the sensing circuit comprises: an interrogation circuit connected to the graphene-insulating-superconducting junction; and a receiver circuit connected to the graphene-insulating-superconducting junction, the interrogation circuit being configured: to generate an inbound radio frequency signal, and to feed the inbound radio frequency signal to the graphene-insulating- superconducting junction, the receiver circuit being configured to receive an outbound radio frequency signal from the graphene-insulating-superconducting junction.
The photon detector of claim 1, comprising: a first layer of hexagonal boron nitride immediately adjacent a first surface of the graphene sheet, and a second layer of hexagonal boron nitride immediately adjacent a second surface of the graphene sheet.
The photon detector of claim 1, wherein the graphene sheet consists of a single atomic layer of graphene.
The photon detector of claim 1, wherein the graphene sheet comprises two atomic layers of graphene.
Layer stacks claimed or described, ordered top of device to substrate.
photon detector with graphene-insulating-superconducting junction
Materials described outside the worked examples.
graphene sheet
insulating layer
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hexagonal boron nitride layer thickness (claimed range) | 1–1000 nm | hBN |
hexagonal boron nitride layer thickness (described embodiment) | 1–100 nm |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,454,016Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 B is a schematic illustration of a graphene-insulating-superconducting junction, according to an embodiment of the present invention; [0029] FIG. IC is …
FIG. 2A is a schematic diagram of a sensing head, according to an embodiment of the present invention; [0031]
FIG. 3 is a block diagram of a photon detector with a graphene-insu l ating- superconducting junction, according to an embodiment of the present invention; and …
FIG. 4 is a schematic illustration of a system for coupling optical photons from an optical waveguide to a graphene sheet, according to an embodiment of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A photon detector, having a sensing input for receiving photons, and comprising: a graphene-insulating-superconducting junction comprising a graphene sheet; and a sensing circuit, connected to the graphene-insulating-superconducting junction, for measuring a differential resistance of the graphene-insulating-superconducting junction, the graphene sheet being configured to undergo, when a photon is absorbed by the graphene sheet, an increase in temperature and a subsequent decrease in temperature, resulting in corresponding changes in the differential resistance of the graphene-insulating- superconducting junction.
The photon detector of claim 1, wherein the sensing circuit comprises: an interrogation circuit connected to the graphene-insulating-superconducting junction; and a receiver circuit connected to the graphene-insulating-superconducting junction, the interrogation circuit being configured: to generate an inbound radio frequency signal, and to feed the inbound radio frequency signal to the graphene-insulating- superconducting junction, the receiver circuit being configured to receive an outbound radio frequency signal from the graphene-insulating-superconducting junction.
The photon detector of claim 1, comprising: a first layer of hexagonal boron nitride immediately adjacent a first surface of the graphene sheet, and a second layer of hexagonal boron nitride immediately adjacent a second surface of the graphene sheet.
The photon detector of claim 1, wherein the graphene sheet consists of a single atomic layer of graphene.
The photon detector of claim 1, wherein the graphene sheet comprises two atomic layers of graphene.
Layer stacks claimed or described, ordered top of device to substrate.
photon detector with graphene-insulating-superconducting junction
Materials described outside the worked examples.
graphene sheet
insulating layer
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
hexagonal boron nitride layer thickness (claimed range) | 1–1000 nm | hBN |
hexagonal boron nitride layer thickness (described embodiment) | 1–100 nm |
Related documents with shared materials, methods, properties, or citations.
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