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A novel, simple, and universal all-optical NAND gate using single-mode Fabry-Pérot laser diode (SMFP-LD) is demonstrated. The basic operating principle of the proposed NAND gate is the modulation of the dominant lasing mode of SMFP-LD by the injection of external beams. The dominant lasing mode gain is suppressed only when both input beams are high. As SMFP-LD is used to demonstrate the logic function,...
We present all-optical 1×2 switch with directly modulated single mode Fabry-Perot laser diode. The main feature of proposed switch is its tunability of wavelength, all-optically controlled and maintaining the same data format at output ports.
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