All-Optical $N$ -Bits Shift Register Exploiting a Ring Buffer Based on Semiconductor Optical Amplifier

  title={All-Optical \$N\$ -Bits Shift Register Exploiting a Ring Buffer Based on Semiconductor Optical Amplifier},
  author={Emma Lazzeri and Gianluca Berrettini and Gianluca Meloni and Antonella Bogoni and Luca Pot{\`i}},
  journal={IEEE Photonics Technology Letters},
The design and experimental characterization of an all-optical circular shift register are presented. The proposed scheme consists of a fiber loop optical buffer and a bit selecting circuit. A semiconductor optical amplifier (SOA) is used as an active element in the buffer structure, while the bit selecting circuit exploits Kerr effect in a highly nonlinear medium. The scheme is designed to store an N-bit sequence and to return the bits one by one at a lower clock rate, achieving proper… CONTINUE READING
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