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Circuit designs of ultra-fast all-optical modified signed-digit adders using semiconductor optical amplifier and Mach–Zehnder interferometer

PhotonicsOptical MaterialsSemiconductor Optical AmplifierEngineeringOptical PropertiesSigned-digit AddersApplied PhysicsIntegrated CircuitsPhotonic Integrated CircuitOptical CommunicationCircuit DesignsMicroelectronicsOptoelectronicsOptical ComputingOptical Logic Gate