摘要:
An optical steering method and apparatus. In one aspect of the present invention, the disclosed apparatus includes a multi-mode interference (MMI) device disposed in a semiconductor substrate. The MMI device includes an input and a plurality of outputs Each one of the plurality of outputs of the MMI device is optically coupled to the input of the MMI device. A phase array is disposed in the semiconductor substrate. The phase array includes a plurality of inputs and a plurality of outputs. The plurality of inputs of the phase array optically are coupled to the plurality of outputs of the phase array. The phase array is coupled to control relative phase differences between optical beams output by each one of the plurality of outputs of the phase array.
摘要:
Devices and techniques for integrating a silicon superlattice optical modulator on a silicon substrate with other circuit elements. The superlattice structure is designed to convert the indirect bandgap structure of silicon into a direct bandgap structure to achieve more efficient optical absorption. The modulator can be fabricated based on a structure of a circuit element by using standard fabrication processes for silicon integrated circuits such as metal oxide semiconductor processing.
摘要:
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 disposed between a plurality of optical confinement layers such that an optical beam is confined to remain within the layers. 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, 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.
摘要:
Devices and techniques for integrating a silicon superlattice optical modulator on a silicon substrate with other circuit elements. The superlattice structure is designed to convert the indirect bandgap structure of silicon into a direct bandgap structure to achieve more efficient optical absorption. The modulator can be fabricated based on a structure of a circuit element by using standard fabrication processes for silicon integrated circuits such as metal oxide semiconductor processing.
摘要:
An optical steering method and apparatus. In one aspect of the present invention, the disclosed apparatus includes a multi-mode interference (MMI) device disposed in a semiconductor substrate. The MMI device includes an input and a plurality of outputs. Each one of the plurality of outputs of the MMI device is optically coupled to the input of the MMI device. A phase array is disposed in the semiconductor substrate. The phase array includes a plurality of inputs and a plurality of outputs. The plurality of inputs of the phase array optically are coupled to the plurality of outputs of the phase array. The phase array is coupled to control relative phase differences between optical beams output by each one of the plurality of outputs of the phase array.
摘要:
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.
摘要:
Apparatuses and methods for modulating an optical signal that include a superlattice structure. The superlattice structure is designed to convert the indirect bandgap structure of silicon into a direct bandgap structure to achieve more efficient optical absorption. The apparatus can be fabricated based on a structure of a circuit element by using standard fabrication processes for silicon integrated circuits such as metal oxide semiconductor processing.
摘要:
A device for switching an optical beam in an optical switch. In one embodiment, the disclosed optical switch includes an optical switching device disposed in a well region in a semiconductor substrate layer. In one embodiment, the well region has a higher doping concentration than the semiconductor substrate layer in which the well region is disposed. The optical switching device is optically coupled to an optical input port and an optical output port of the integrated circuit die.
摘要:
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 disposed between a plurality of optical confinement layers such that an optical beam is confined to remain within the layers. 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, 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.
摘要:
Embodiments of a method comprising guiding an optical mode with an optical waveguide disposed in silicon, overlapping both the optical waveguide and an active semiconductor material evanescently coupled to the optical waveguide with the optical mode guided through the optical waveguide, electrically pumping the active semiconductor material to inject current directed through the active semiconductor material and through the optical mode, and generating light in the active semiconductor material in response to the injected current. Other embodiments are disclosed and claimed.