| 摘要 |
A photodetector with an improved electrostatic discharge damage threshold is disclosed, suitable for applications in telecommunication systems operating at elevated data rates. The photodetector may be a PIN or an APD fabricated in the InP compound semiconductor system. The increased ESD damage threshold is achieved by reducing the ESD induced current density in the photodetector by a suitable widening of the contact at a critical location, increasing the series resistance and promoting lateral current spreading by means of a current spreading layer.
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