Coupled asymmetric quantum confinement structures
View Patent ↗Implementations and techniques for coupled asymmetric quantum confinement structures are generally disclosed.
1. A method for producing a coupled asymmetric quantum confinement structure, the method comprising:
providing a substrate;
depositing a first cladding layer on the substrate;
depositing an inner layer on the first cladding layer, a first portion of the inner layer being associated with a first quantum confinement structure and a second portion of the inner layer being associated with a second quantum confinement structure, the second portion comprising at least one asymmetric physical dimension as compared to the first quantum confinement structure, and the first and second quantum confinement structures being capable of influencing a delay and/or frequency of an optical signal;
depositing a second cladding layer on the inner layer;
forming an n+ region and a p+ region in a first region of the first cladding layer, the n+ region and the p+ region in the first region of the first cladding layer to inject charge carriers into the inner layer; and
forming a first gate electrode that is configured to deliver a gate voltage to the first quantum confinement structure.
2. The method of claim 1 , wherein the forming the n+ region and the p+ region in the first cladding layer is configured to define a p-n junction capable of injecting charge carriers into the inner layer.
3. The method of claim 1 , further comprising depositing a gate electrode on the second cladding layer, wherein the gate electrode is capable of delivering a gate voltage that affects the delay of an optical signal operated on by the coupled asymmetric quantum confinement structure.
4. The method of claim 1 , wherein the first and second quantum confinement structures comprise three level energy state systems.
5. The method of claim 1 , wherein the asymmetric physical dimension is capable of influencing a delay and/or frequency of an optical signal operated on by the coupled asymmetric quantum confinement structure.
6. The method of claim 1 , wherein the second quantum confinement structure comprises at least one asymmetric semiconductor material as compared to the first quantum confinement structure, and wherein the asymmetric semiconductor material is capable of influencing a delay and/or frequency of the optical signal.
7. The method of claim 1 , wherein the first and second quantum confinement structures comprise one of first and second quantum wells, first and second quantum wires, or first and second quantum dots.