| 摘要 |
An optical circuit including a semiconductor substrate; an optical waveguide formed in or on the substrate; and an optical detector formed in or on the semiconductor substrate, wherein the optical detector is aligned with the optical waveguide so as to receive an optical signal from the optical waveguide during operation, and wherein the optical detector has: a first electrode; a second electrode; and an intermediate layer between the first and second electrodes, the intermediate layer being made of a semiconductor material characterized by a conduction band, a valence band, and deep level energy states introduced between the conduction and valence bands.
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