A HIGH-SENSITIVITY APD RECEIVER FOR 10-GB S SYSTEM APPLICATIONS/

In this paper, we will report the performance of a high-sensitivity (- 28.7 dB) APD receiver, constructed with a low-noise supperlattice APD, for 10-Gb/s applications, This receiver sensitivity value is only abo ut 4-5 dB away from that of a commercially realizable optical pre-ampl ifier receiver at this bit-rate, Using this receiver and a transmitter with an output optical power of only -4 dB, we are able to transmit d ata over 61 km of standard fiber, including system operational margins , without using any optical amplifiers.