Abstract: A system can include an optical multiplexer to combine a plurality of optical input signals having respective wavelengths into a wide-channel optical input signal that is provided to an input channel. The system also includes a photonic packet switch comprising a switch core and a plurality of ports defining a switch radix of the photonic packet switch. The input channel and an output channel can be associated with one of the plurality of ports. The photonic packet switch can process the wide-channel optical input signal and can generate a wide-channel optical output signal that is provided to the output channel. The system further includes an optical demultiplexer to separate the wide-channel optical output signal into a plurality of optical output signals having respective wavelengths. The optical multiplexer and the optical demultiplexer can collectively provide the system with a radix greater than the switch radix.

Abstract: This disclosure is directed to optical-to-electrical receiver and transceiver integrated circuits that can be used to send and receive multiple optical signal data streams using at least one optical bus. In one aspect, a fan-in integrated circuit of a node includes an arbiter/multiplexer, and at least one receiver. Each receiver is electronically connected to the arbiter/multiplexer. Each receiver receives at least one optical signal over an optical broadcast bus and converts the optical signals into a data stream encoded in electronic signals. The arbiter/multiplexer selects one receiver at a time to send an electronic signal to the arbiter/multiplexer and outputs the electronic signal to the node for processing.

Abstract: According to an example, nodes request access to a shared resource in a prioritized optical arbitration system. Each node attempts to extract a wavelength corresponding to a priority level selected by the node from a waveguide. A node is granted access to the resource according to priority level, and is to extract from the waveguide the corresponding wavelength.

Abstract: An electronic system includes a plurality of electronic nodes, each having a transmitter module and a plurality of receiver modules, in which the transmitter module is positioned at a same location with respect to the receiver modules in each of the electronic nodes, and a plurality of fanout optical buses, each fanout optical bus comprising a transmitter section, a plurality of receiver sections, and at least one substantially straight optical waveguide extending between the plurality of receiver sections, wherein each transmitter section is optically connected to a transmitter module of a respective one of the electronic nodes and wherein the receiver sections of each of the fanout optical buses is connected to respective ones of the receiver modules of the electronic nodes.

Abstract: Continuous recording multichannel disk-based data logging apparatus. The apparatus includes a plurality of disk drives and an interface including a plurality of parallel inputs. The interface is responsive to data at the inputs to write the data on an active plurality of the disk drives, at least one disk drive being idle. The interface is responsive to a user request for data on one of the active disk drives to substitute an idle disk drive into the active plurality in place of that one, to read the requested data, and to cause that one to become idle.

Abstract: As described herein, a network device includes an optical circuit switch to perform circuit switching. The network device also has a plurality of removable line cards, each of which includes a packet switch. A switching manager automatically reconfigures the optical circuit switch based on a configuration of the removable line cards to maintain a guaranteed packet switching bandwidth between active line cards.

Abstract: Assigning nodes to jobs based on reliability factors includes calculating the maximum value of a processor utilization efficiency and assigning an optimal number of spare nodes to the job based on the value of the processor utilization efficiency.

Abstract: Examples of the present disclosure include methods, devices, and/or systems. Identifying network communication patterns can include analyzing a distributed computer program of a network, estimating virtual network communication traffic based on the analysis, and mapping the virtual network communication traffic to a physical network link. Identifying network communications patterns can also include identifying the network communication pattern and categorizing the physical communication network link based on an estimated communication intensity of the mapped communication traffic and the network communication pattern. Identifying network communication patterns can further include optimizing an energy used by the network based on the categorization.

Abstract: Various embodiments of the present invention relate to systems and methods for achieving low-latency, prioritized, distributed optical-base arbitration. In one embodiment, an optical arbitration system (100,1100) comprises a waveguide (102,1102) having a first end and a second end, and a source (104,1104) optically coupled to the first end of the waveguide and configured to input at least one wavelength of light into the waveguide. The system also includes a number of wavelength selective elements (106-109,1106-1109) optically coupled to the waveguide. Each wavelength selective element is capable of extracting a wavelength of light from the waveguide when activated by an electronically coupled node. An arbiter (110,116,120,1112,1116,1120) is optically coupled to the second end of the waveguide and to the waveguide between the source and a wavelength selective element located closest to the source along the waveguide.

Abstract: Embodiments of the present invention are directed to optoelectronic network switches. In one embodiment, an optoelectronic switch includes a set of roughly parallel input waveguides and a set of roughly parallel output waveguides positioned roughly perpendicular to the input waveguides. Each of the output waveguides crosses the set of input waveguides. The optoelectronic switch includes at least one switch element configured to switch one or more optical signals transmitted on one or more input waveguides onto one or more crossing output waveguides.

Abstract: In one example, a composite processor includes a circuit board, a first processor element package, and a second processor element package. The circuit board has an optical link and an electrical link. The first processor element package includes a substrate with an integrated circuit, a sub-wavelength grating optical coupler, and an electrical coupler coupled to the electrical link of the circuit board. The second processor element package includes a substrate with an integrated circuit, a sub-wavelength grating optical coupler, and an electrical coupler coupled to the electrical link of the circuit board. The sub-wavelength grating optical coupler of the first processor element package, the optical link of the circuit board, and the sub-wavelength grating optical coupler of the second processor element package collectively define an optical communications path between the substrate of the first processor element package and the substrate of the second processor element package.

Abstract: A hybrid electro-optical package for an opto-electronic engine. The package includes a carrier substrate, and a package base. Electrical vias and an optical via of the carrier substrate communicate between a back side and a front side of the carrier substrate. The package base is coupled to the carrier substrate by intra-package electrical interconnects. The carrier substrate is to interconnect electrically with an opto-electronic component mounted on its back side, and includes an optical aperture at its front side for communication of optical signals. Similarly, lands disposed at a front side of the package base provide for communication of electrical signals to an integrated circuit and the opto-electronic component. A system and an opto-electronic engine that include the hybrid electro-optical package are also provided.

Abstract: A circuit switched optical interconnection fabric includes a first hollow metal waveguide and a second hollow metal waveguide which intersects the first hollow metal waveguide to form an intersection. An optical element within the intersection is configured to selectively direct an optical signal between the first hollow metal waveguide and a second hollow metal waveguide.

Abstract: An optical connection infrastructure has optical conduits between first devices and at least one second device. Dynamic reconfiguration of the optical connection infrastructure can be performed from a first connection topology to a second, different connection topology based on programming of the first devices.

Abstract: In a method for managing a memory segment through use of a memory virtual appliance, data is encapsulated with the memory virtual appliance, in which the memory virtual appliance comprises a virtual machine configured to manage a memory segment in a physical memory. In addition, the memory virtual appliance is implemented using a virtualization wrapper comprising computer readable code enabling the encapsulated data to be shared among a plurality of clients. Moreover, the encapsulated data is stored in the memory segment controlled by the memory virtual appliance.

Abstract: Various embodiments of the present invention are directed to methods and systems for transmitting optical signals from a source to a plurality of receiving devices. In one method embodiment, an optical enablement signal is transmitted from the source to the plurality of receiving devices. The target receiving device responds to receiving the optical enablement signal by preparing to receive one or more optical data signals. The source transmits the one or more optical data signals to the target receiving device. The remaining receiving devices do not receive the one or more optical data signals.

Abstract: A power management module can select one of a plurality of different operational modes for a hardware component in a computer system based on application performance and total computer system power consumption determined for each of the operational modes.

Abstract: Embodiments of the present invention are directed to implementing high-radix switch topologies on relatively lower-radix physical networks. In one embodiment, the method comprises constructing the physical network (702) composed of one or more optical switches connected via one or more waveguides. A desired switch topology (704) is then designed for implementation on the physical network. The switch topology is then overlain on the switch network by configuring the optical switches and waveguides (706) to implement the switch topology on the physical network. The optical switches can be reconfigured following a transmission over the physical network and can be configured to implement circuit switching or packet switch.

Abstract: A blade includes a circuit board to insert into a slot of a chassis, an optoelectronic device on the circuit board, an optical media that is flexible, coupled to the optoelectronic device, and able to guide a plurality of optical signals, a first connector optically coupled to the optical media, and a standoff on which the first connector is mounted. The first connector includes first alignment features shaped to mate with second alignment features of a second connector. The standoff provides the first connector with sufficient freedom of motion to permit the first alignment features to shift the first connector relative to the second connector and into a seated position as the first connector and the second connector move toward each other.

Abstract: Systems and methods are provided for modulating, channels in dense wavelength division multiplexing (“DWDM”) systems. In one aspect, a modulation and wavelength division multiplexing system includes a channel source and a waveguide tree structure disposed on a substrate. The tree structure includes waveguides branching from a root waveguide. The waveguides include two or more terminus waveguides coupled to the channel source. The system also includes one or more modulator arrays disposed on the substrate. Each modulator array is optically coupled to one of the two or more terminus waveguides and is configured to modulate channels injected into a terminus waveguide from the channel source to produce corresponding optical signals that propagate from the terminus waveguide along one or more of the waveguides to the root waveguide.