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56 Gbaud Photodiode

Ultra high-speed photodiode chip with a tapered coplanar transmission line. The topside illuminated p-i-n photodiode structure is optimized for 56 Gbaud PAM-4 (400GBASE-DR4 and 400G-FR4) single-mode telecom, microwave photonic links, RF over fiber as well as test and measurement applications. It offers an excellent responsivity and high speed of response.


  • Large bandwidth: 40 GHz
  • Typical responsivity: 0.75 A/W
  • Large cathode pads
  • G-S-G pad configuration

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