Patent
US 10,816,828multi-stack graphene structure as waveguide device
SiO₂
Si₃N₄
ZrO₂
Ta₂O₅
amorphous graphene (CVD grown on germanium substrate)
FIG. 7 is a graph of a simulation result for determining a thickness of a gate oxide according to an example embodiment; [34]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 11 is a graph of comparing performances of monolayer graphene and a multi-stack graphene structure according to an example embodiment; [38]
FIG. 12 is a graph of a phase change characteristic of monolayer graphene according to an example embodiment; [39]
FIG. 13 is a graph of a phase change characteristic of a multi-stack graphene structure according to an example embodiment; [40]
FIG. 14 is a graph comparing performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; [41]
FIG. 15 is a graph comparing the performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; and …
| 0.4–0.5 nm |
| — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 3 nm | — |
multi-stack graphene structure as waveguide device
SiO₂
Si₃N₄
ZrO₂
Ta₂O₅
amorphous graphene (CVD grown on germanium substrate)
FIG. 7 is a graph of a simulation result for determining a thickness of a gate oxide according to an example embodiment; [34]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 11 is a graph of comparing performances of monolayer graphene and a multi-stack graphene structure according to an example embodiment; [38]
FIG. 12 is a graph of a phase change characteristic of monolayer graphene according to an example embodiment; [39]
FIG. 13 is a graph of a phase change characteristic of a multi-stack graphene structure according to an example embodiment; [40]
FIG. 14 is a graph comparing performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; [41]
FIG. 15 is a graph comparing the performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; and …
| 0.4–0.5 nm |
| — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 3 nm | — |
multi-stack graphene structure as waveguide device
SiO₂
Si₃N₄
ZrO₂
Ta₂O₅
amorphous graphene (CVD grown on germanium substrate)
FIG. 7 is a graph of a simulation result for determining a thickness of a gate oxide according to an example embodiment; [34]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 11 is a graph of comparing performances of monolayer graphene and a multi-stack graphene structure according to an example embodiment; [38]
FIG. 12 is a graph of a phase change characteristic of monolayer graphene according to an example embodiment; [39]
FIG. 13 is a graph of a phase change characteristic of a multi-stack graphene structure according to an example embodiment; [40]
FIG. 14 is a graph comparing performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; [41]
FIG. 15 is a graph comparing the performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; and …
| 0.4–0.5 nm |
| — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 3 nm | — |
multi-stack graphene structure as waveguide device
SiO₂
Si₃N₄
ZrO₂
Ta₂O₅
amorphous graphene (CVD grown on germanium substrate)
FIG. 7 is a graph of a simulation result for determining a thickness of a gate oxide according to an example embodiment; [34]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 9 is a graph of an absorption characteristic of monolayer graphene according to an example embodiment; [36]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 10 is a graph of an absorption characteristic of a multi-stack graphene structure according to an example embodiment; [37]
FIG. 11 is a graph of comparing performances of monolayer graphene and a multi-stack graphene structure according to an example embodiment; [38]
FIG. 12 is a graph of a phase change characteristic of monolayer graphene according to an example embodiment; [39]
FIG. 13 is a graph of a phase change characteristic of a multi-stack graphene structure according to an example embodiment; [40]
FIG. 14 is a graph comparing performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; [41]
FIG. 15 is a graph comparing the performance of a multi-stack graphene structure based on the number of stacks present according to an example embodiment; and …
| 0.4–0.5 nm |
| — |
Thickness | ≤ 20 nm | — |
Thickness | ≤ 1 nm | — |
Thickness | ≤ 50 nm | — |
Thickness | ≤ 3 nm | — |