| 摘要 |
A semiconductor optical receiver device is provided, which a mesa comprising a plurality of semiconductor crystal layers formed on a semiconductor substrate including a pn junction having a first conductive semiconductor crystal layer and a second conductive semiconductor crystal layer and including a first contact layer on the semiconductor substrate, a plurality of electrodes to apply electric field to the pn junction are coupled on the semiconductor substrate, a second contact layer is formed on a buried layer in which the mesa is buried, and the electric field is applied to the pn junction through the first and second contact layers.
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