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4 x 56 Gbaud GaAs Photodiode Array

Ultra high-speed short-wavelength 4-channel GaAs photodiode array with ground-signal-ground (GSG) pad layout. The large optical apertures and the photodiode pitch of 250 µm are ideal for coupling to fiber ribbon cables. The topside illuminated p-i-n photodiode structures are optimized for 56 Gbaud telecom and 400GBASE-SR4 data center applications and offer an excellent responsivity and high speed of response in the wavelength range from 830 nm to 860 nm.


  • Large bandwidth: 30 GHz per channel
  • Photodiode pitch: 250 µm
  • High responsivity: > 0.5 A/W @ 850 nm
  • Low dark current: 0.1 nA
  • G-S-G pad configuration for each channel

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