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Abstract

A device for confining an optical beam in an optical switch. In one embodiment, the disclosed optical switch includes an optical switching device disposed between an optical input port and an optical output port in a semiconductor substrate layer of an integrated circuit die. The semiconductor substrate layer is disposed between a plurality of optical confinement layers such that an optical beam is confined to remain within the semiconductor substrate layer until exiting through the optical output port. In one embodiment, a plurality of semiconductor substrate layers are included in the optical switch. Each of the semiconductor substrate layers is disposed between optical confinement layers such that optical beams passing through the semiconductor substrate layers are confined to remain within the semiconductor substrate layers until exiting through respective optical output ports. In one embodiment, at least one optical switching device is disposed in each of the plurality of semiconductor substrate layers. In one embodiment, integrated circuitry such as driver circuitry, controller circuitry, logic circuitry, coder-decoder circuitry, microprocessor circuitry or the like is included in at least one of the semiconductor substrate layers.

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First Claim