Optical Logic Operations

The following sections are included:

• Introduction

• Optical Logic XOR

  • Optical Logic XOR

  • XOR using SOA-MZI

  • XOR using semiconductor optical amplifier-assisted fiber Sagnac gate

  • XOR using terahertz optical asymmetric demultiplexer (TOAD)

  • XOR using UNI gate

  • XOR optical gate based on cross-polarization modulation in SOA

  • XOR using FWM in semiconductor optical amplifier with return-to-zero phase-shift-keying (RZ-DPSK) modulated input

• Optical Logic OR

  • OR gate using gain saturation in an SOA

  • OR gate using a SOA and delayed interferometer (DI)

• Optical Logic AND

  • Optical logic AND gate using a SOA based Mach-Zehnder interferometer

• Optical Logic INVERT

• Effect of Amplifier Noise

  • XOR operation

  • AND operation

  • OR operation

  • NAND operation

• Optical Logic Using PSK Signals

• References