Electrically-activated photonic crystal microcavity laser
AssigneeMassachusetts Institute of Technology
InventorsSolomon Assefa, Leslie A. Kolodziekski, Gale S. Petrich
Life of this patent
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Abstract
A microcavity structure includes a first waveguide that includes a first photonic crystal microcavity. A second waveguide includes a second photonic crystal microcavity. A microcavity active region is created by overlapping the first and second microcavities.
Claims48
A microcavity structure comprising two or more microcavity waveguides comprising photonic crystal structures, wherein one or more microcavity active regions are created by the overlap of said microcavity waveguides and said two or more microcavity waveguides comprise means for electrical activation and at least one contact pad that is coupled to each of the microcavity waveguides so as to apply voltage across said microcavity structures, wherein a top waveguide comprises p-doped or n-doped material and a bottom waveguide comprises n-doped or p-doped material.
A method of forming a microcavity structure comprising:
- providing two or more microcavity waveguides comprising photonic crystal structures;
- forming one or more microcavity active regions by overlapping said microcavity waveguides and said two or more microcavity waveguides comprise means for electrical activation;
- and
- providing at least one contact pad that is coupled to each of the microcavity waveguides so as to apply voltage across said microcavity structures, wherein a top waveguide comprises p-doped or n-doped material and a bottom waveguide comprises n-doped or p-doped material.
A microcavity structure comprising:
- a first waveguide including a first photonic crystal microcavity comprising a first photonic crystal structure having p-doped or n-doped material;
- and
- a second waveguide including a second photonic crystal microcavity comprising a second photonic crystal structure having n-doped or p-doped material;
- a microcavity active region that is created by overlapping said first and second microcavities;
- and
- at least one contact pad that is coupled to said first waveguide and at least one contact pad that is coupled to said second waveguide so as to apply voltage across said microcavity structure;
- wherein said first waveguide and second waveguide comprise means for electrical activation.
A method of forming a microcavity structure comprising:
- forming a first waveguide including a first photonic crystal microcavity having p-doped or n-doped material;
- forming a second waveguide including a second photonic crystal microcavity having n-doped or p-doped material;
- forming a microcavity active region that is created by overlapping said first layer and second microcavities, wherein said first waveguide and second waveguide comprise means for electrical activation;
- and
- providing at least one contact pad that is coupled to said first waveguide and at least one contact pad that is coupled to said second waveguide so as to apply voltage across said microcavity structure.
Dependencies are inferred from the claim text.