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Optical AND and NOT gates at 40 Gbps using electro-absorption modulator/photodiode pairs

Vawter, Gregory A.; Tauke-Pedretti, Anna; Peake, Gregory M.; Overberg, Mark E.; Sullivan, Charles T.

We demonstrate an optical gate architecture using electro-absorption modulator/photodiode pairs to perform AND and NOT functions. Optical bandwidth for both gates reach 40 GHz. Also shown are AND gate waveforms at 40 Gbps.