Importance

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Abstract

In one or more disclosed embodiments a circuit is configured and arranged to harvest photonic energy. The circuit includes a quantum stack having a plurality of quantum confinement regions. The quantum confinement regions are separated from each other by one or more quantum barrier regions. Each of the quantum confinement regions includes semiconductor material that creates charge carriers therein in response to light. The circuit includes a first contact connected to a lower layer of the quantum stack and a second contact connected to an upper layer of the quantum stack. The circuit also includes a passive circuit configured and arranged to generate an electric field contacting the quantum stack, thereby inducing the charge carriers to migrate toward one of the first and second contacts.

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First Claim