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<para> InGaAs–InP modified charge compensated unitraveling carrier photodiodes with both absorbing and nonabsorbing depleted region are demonstrated. The fiber- coupled external quantum efficiency was 60% (responsivity at 1550 nm<emphasis> </emphasis>0.75 A/W). A 40-<emphasis></emphasis>m- diameter photodiode achieved 14-GHz bandwidth and 25-dBm RF output power...
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