Patent
US 9,182,541GRAPHENE PHOTONIC DEVICE
Jin Tae KIM
US
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Patent
Atlas literature
Patent
US 9,182,541Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view representing a graphene photonic device according to a first embodiment of the inventive concept. [0018]
FIG. 2 is a cross sectional view taken along line I-I' of
FIG. 3 is a perspective view representing a graphene photonic device according to a second embodiment of the inventive concept; 15 [0020]
FIG. 4 is a cross sectional view taken along line I I-II ' of
FIGS. 5A and 5B are views representing the correlation of the polarization of free electrons in an optical waveguide when transmitting optical signals.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene photonic device comprising: a lower clad; an optical waveguide disposed on the lower clad and extending in a first direction; a first dielectric disposed on the optical waveguide; a graphene layer disposed on the first dielectric layer and extending in a second direction crossing the first direction; a second dielectric layer disposed on the graphene layer; and an electrode layer disposed on the second dielectric layer and extending in the second direction s wherein the first dielectric layer and the second dielectric layer comprise silica polymer whose refractive index changes by heat or an electric field.
The device of claim 1, wherein the optical waveguide has a higher refractive index than a substrate and the first dielectric layer.
The device of claim 1, wherein the optical waveguide comprises polymer, oxide silicon, or nitride silicon.
The device of claim 1, further comprising an alternating current (AC) voltage source connected to the graphene layer and the electrode layer.
2-3.. canceled
canceled
5-6. canceled
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8-9. canceled
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The device of claim [[9]] 1, wherein the lower clad comprises polymer, a silicon oxide film, quartz, or silicon. Page 2 of 4 App l. No. 13/794,582 PATENT Response to Final Office Action of Attorney Docket No.: K₁₁₀KR-123500US Amdt. dated Client Ref. No.: I P-221140-US
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene photonic device
Materials described outside the worked examples.
graphene
C
silica polymer (first dielectric)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,182,541Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view representing a graphene photonic device according to a first embodiment of the inventive concept. [0018]
FIG. 2 is a cross sectional view taken along line I-I' of
FIG. 3 is a perspective view representing a graphene photonic device according to a second embodiment of the inventive concept; 15 [0020]
FIG. 4 is a cross sectional view taken along line I I-II ' of
FIGS. 5A and 5B are views representing the correlation of the polarization of free electrons in an optical waveguide when transmitting optical signals.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene photonic device comprising: a lower clad; an optical waveguide disposed on the lower clad and extending in a first direction; a first dielectric disposed on the optical waveguide; a graphene layer disposed on the first dielectric layer and extending in a second direction crossing the first direction; a second dielectric layer disposed on the graphene layer; and an electrode layer disposed on the second dielectric layer and extending in the second direction s wherein the first dielectric layer and the second dielectric layer comprise silica polymer whose refractive index changes by heat or an electric field.
The device of claim 1, wherein the optical waveguide has a higher refractive index than a substrate and the first dielectric layer.
The device of claim 1, wherein the optical waveguide comprises polymer, oxide silicon, or nitride silicon.
The device of claim 1, further comprising an alternating current (AC) voltage source connected to the graphene layer and the electrode layer.
2-3.. canceled
canceled
5-6. canceled
canceled
8-9. canceled
canceled
The device of claim [[9]] 1, wherein the lower clad comprises polymer, a silicon oxide film, quartz, or silicon. Page 2 of 4 App l. No. 13/794,582 PATENT Response to Final Office Action of Attorney Docket No.: K₁₁₀KR-123500US Amdt. dated Client Ref. No.: I P-221140-US
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene photonic device
Materials described outside the worked examples.
graphene
C
silica polymer (first dielectric)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,182,541Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view representing a graphene photonic device according to a first embodiment of the inventive concept. [0018]
FIG. 2 is a cross sectional view taken along line I-I' of
FIG. 3 is a perspective view representing a graphene photonic device according to a second embodiment of the inventive concept; 15 [0020]
FIG. 4 is a cross sectional view taken along line I I-II ' of
FIGS. 5A and 5B are views representing the correlation of the polarization of free electrons in an optical waveguide when transmitting optical signals.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene photonic device comprising: a lower clad; an optical waveguide disposed on the lower clad and extending in a first direction; a first dielectric disposed on the optical waveguide; a graphene layer disposed on the first dielectric layer and extending in a second direction crossing the first direction; a second dielectric layer disposed on the graphene layer; and an electrode layer disposed on the second dielectric layer and extending in the second direction s wherein the first dielectric layer and the second dielectric layer comprise silica polymer whose refractive index changes by heat or an electric field.
The device of claim 1, wherein the optical waveguide has a higher refractive index than a substrate and the first dielectric layer.
The device of claim 1, wherein the optical waveguide comprises polymer, oxide silicon, or nitride silicon.
The device of claim 1, further comprising an alternating current (AC) voltage source connected to the graphene layer and the electrode layer.
2-3.. canceled
canceled
5-6. canceled
canceled
8-9. canceled
canceled
The device of claim [[9]] 1, wherein the lower clad comprises polymer, a silicon oxide film, quartz, or silicon. Page 2 of 4 App l. No. 13/794,582 PATENT Response to Final Office Action of Attorney Docket No.: K₁₁₀KR-123500US Amdt. dated Client Ref. No.: I P-221140-US
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene photonic device
Materials described outside the worked examples.
graphene
C
silica polymer (first dielectric)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,182,541Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a perspective view representing a graphene photonic device according to a first embodiment of the inventive concept. [0018]
FIG. 2 is a cross sectional view taken along line I-I' of
FIG. 3 is a perspective view representing a graphene photonic device according to a second embodiment of the inventive concept; 15 [0020]
FIG. 4 is a cross sectional view taken along line I I-II ' of
FIGS. 5A and 5B are views representing the correlation of the polarization of free electrons in an optical waveguide when transmitting optical signals.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene photonic device comprising: a lower clad; an optical waveguide disposed on the lower clad and extending in a first direction; a first dielectric disposed on the optical waveguide; a graphene layer disposed on the first dielectric layer and extending in a second direction crossing the first direction; a second dielectric layer disposed on the graphene layer; and an electrode layer disposed on the second dielectric layer and extending in the second direction s wherein the first dielectric layer and the second dielectric layer comprise silica polymer whose refractive index changes by heat or an electric field.
The device of claim 1, wherein the optical waveguide has a higher refractive index than a substrate and the first dielectric layer.
The device of claim 1, wherein the optical waveguide comprises polymer, oxide silicon, or nitride silicon.
The device of claim 1, further comprising an alternating current (AC) voltage source connected to the graphene layer and the electrode layer.
2-3.. canceled
canceled
5-6. canceled
canceled
8-9. canceled
canceled
The device of claim [[9]] 1, wherein the lower clad comprises polymer, a silicon oxide film, quartz, or silicon. Page 2 of 4 App l. No. 13/794,582 PATENT Response to Final Office Action of Attorney Docket No.: K₁₁₀KR-123500US Amdt. dated Client Ref. No.: I P-221140-US
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene photonic device
Materials described outside the worked examples.
graphene
C
silica polymer (first dielectric)
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 5–20 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
graphene photonic device (second embodiment with upper clad)
silica polymer (second dielectric)
polymer (waveguide)
silicon oxide (waveguide)
SiO₂
silicon nitride (waveguide)
Si₃N₄
polymer (lower clad)
silicon (lower clad)
Si
graphene oxide (first dielectric)
gold (metallic-line optical waveguide)
Au
| — |
graphene photonic device (second embodiment with upper clad)
silica polymer (second dielectric)
polymer (waveguide)
silicon oxide (waveguide)
SiO₂
silicon nitride (waveguide)
Si₃N₄
polymer (lower clad)
silicon (lower clad)
Si
graphene oxide (first dielectric)
gold (metallic-line optical waveguide)
Au
| — |
graphene photonic device (second embodiment with upper clad)
silica polymer (second dielectric)
polymer (waveguide)
silicon oxide (waveguide)
SiO₂
silicon nitride (waveguide)
Si₃N₄
polymer (lower clad)
silicon (lower clad)
Si
graphene oxide (first dielectric)
gold (metallic-line optical waveguide)
Au
| — |
graphene photonic device (second embodiment with upper clad)
silica polymer (second dielectric)
polymer (waveguide)
silicon oxide (waveguide)
SiO₂
silicon nitride (waveguide)
Si₃N₄
polymer (lower clad)
silicon (lower clad)
Si
graphene oxide (first dielectric)
gold (metallic-line optical waveguide)
Au
| — |