2.5Gbps APD Preamp Receiver, Bookham (Oclaro) AT3GC, Fiber Coupled Photo-Detector

The AT3GC receiver consists of an avalanche photodiode, a low-noise preamplifier, a connectorized single-mode fiber pigtail and a hermetic package with coplanar differential output, Optimized for use in 2.5Gbps Metro applications, either as a discrete device or within a transponder, using NRZ modulation with or without FEC at data rates up to at least 2.7Gbps.


  • High sensitivity, -34dBm typical; Saturation input power, -4dBm typical;
  • Low capacitance high speed InGaAs APD photo-detector;
  • Supports FEC rates up to 2.7Gb/s with C and L band;
  • Maximum differential output voltage, 1000mV peak to peak typical;
  • Designed to exceed the environmental requirements of Telcordia GR468-CORE;


  • Client or line side links;
  • 300 pin LR transponder applications;