All - Optical Shift Register

Abstract

The idea of using shift registers to generate sequences of ones and zeros has been explored and developed decades ago. Nowdays, the shift register is being transformed from its electronic version to optical based designs due to the demand in high speed all-optical communication and photonic processing. The all-optical shift register employs semiconductor optical amplifier(SOA) has become popular due to its integrability and low switching energy requirement. In this project, the circulating shift register with an inverter using an SOA in a nonlinear loop mirror is presented.