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The I-V curves of 22, 32, 42, diameter PDs.
Dark currents of metamorphic-RCE-PDs with different mesa sizes at a reverse bias of 5 V.
The measured photoresponses of the metamorphic-RCE p-i-n PDs under various reverse biases.
Measured frequency response of the PD, the 3 dB bandwidth of 13 GHz was achieved.
The schematic diagram of the PDs.
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