Wavelength Selective Optical Logic

Increasing interest in digital opto-electronic circuits for optical communication systems and potential optical computing applications has created a demand for new device structures capable of optical input/output. Novel designs for photonic switching1 enabling multiple functions in a single device are desirable for reducing the complexity of optical receivers and transmitters, as well as for avoiding additional time delays due to interconnects. Wavelength-division-multiplexing (WDM) technology, by which multiple optical channels can be transmitted without any interference, is one of the major advantages of the optical signal transmission.

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