Abstract: A method for assembling an optical interconnect apparatus is provided. The optical interconnect comprises an integrated circuit chip, and at least one optoelectronic chip positioned on the integrated circuit chip, each of the at least one optoelectronic chip including a 2-dimensional optoelectronic array. The optical interconnect further comprises a first and a second microlens array, a bundle of optical fibers coupled to each second microlens array and supported by a bundle housing, and a block structure supporting the bundle housing to a printed circuit board (PCB).

Abstract: Systems and methods for an improved access router. A packet switching system for a packet transfer network includes a plurality of line cards. Each line card includes an electro-optical interconnect in electrical communication with a network processing element associated with the line card. The electro-optical interconnect is configured to send and receive optical signals from each other line card, and directly to end-user equipment, without any intervening electro-optical conversion.

Abstract: Techniques for detecting intrusion in an optical fiber can be realized as a method comprising: receiving an optical signal; demultiplexing the received optical signal into one or more payload data signals, a first control signal, and a second control signal; comparing a ratio of power levels of the first and second control signals with a threshold ratio; comparing the power level of the control first signal with a first threshold power value and the second control signal with a second threshold power value if the ratio of the power levels of the first and second control signals exceeds the threshold ratio; and generating an intrusion alarm signal, if the first signal is below the first threshold power value and the second signal is below the second threshold power value.

Abstract: The present disclosure allows connection between optical and electrical devices at high frequencies and high bit rate. The present disclosure provides an electro-optical device that includes an optical interface for optical signal transmission and reception; an electrical interface for electrical signal transmission and reception; a data and signal unit located inside an integrated circuit chip coupled to the optical interface and to the electrical interface for manipulating data received through said interfaces; and a processing unit located inside the integrated circuit chip coupled to the optical interface and to the electrical interface for processing digital data received through said interfaces. The present disclosure provides devices that achieve smaller physical dimensions with an increased number of interfaces to allow greater throughput of data into and out of the integrated circuit.

Abstract: A switching Clos network universal element that can dynamically change its role is disclosed. The universal element contains a matrix of VCSELs and a matrix of photodiodes on top of an electro-optical chip. The matrix of VCSELs sends data via a first set of optical links, and the matrix of photodiodes receives data a second set of optical links. The universal element also receives and sends data through electronic links. The universal element can function as an expander, aggregator or transitive switch in a folded Clos network. As an expander or an aggregator, the universal element uses its optical links as ingress links and its electronic links as egress links. Using this universal element, a network can be constructed without separate switching elements. Multiple universal elements can be positioned on a PCB, and the multiple universal elements can function as one switch.

Abstract: The present disclosure allows connection between optical and electrical devices at high frequencies and high bit rate. The present disclosure provides an electro-optical device that includes an optical interface for optical signal transmission and reception; an electrical interface for electrical signal transmission and reception; a data and signal unit located inside an integrated circuit chip coupled to the optical interface and to the electrical interface for manipulating data received through said interfaces; and a processing unit located inside the integrated circuit chip coupled to the optical interface and to the electrical interface for processing digital data received through said interfaces. The present disclosure provides devices that achieve smaller physical dimensions with an increased number of interfaces to allow greater throughput of data into and out of the integrated circuit.

Abstract: A switching Clos network universal element that can dynamically change its role is disclosed. The universal element contains a matrix of VCSELs and a matrix of photodiodes on top of an electro-optical chip. The matrix of VCSELs sends data via a first set of optical links, and the matrix of photodiodes receives data a second set of optical links. The universal element also receives and sends data through electronic links. The universal element can function as an expander, aggregator or transitive switch in a folded Clos network. As an expander or an aggregator, the universal element uses its optical links as ingress links and its electronic links as egress links. Using this universal element, a network can be constructed without separate switching elements. Multiple universal elements can be positioned on a PCB, and the multiple universal elements can function as one switch.

Abstract: A matrix processor and processing method, the processor including a data encoder for receiving an input data stream; a data controller coupled to the data encoder for arranging the input data in an operand matrix, at least one processing unit for processing the data in matrix form by Boolean matrix-matrix multiplication with a selected operator matrix, and an output control module coupled to the processing unit for outputting desired results therefrom.

Abstract: A bit-matrix processor including a pair of optoelectronic matrices and a controller for causing the matrices to perform Boolean Matrix transforms to perform logical operations, wherein Boolean logical equivalents include logical AND to replace element-wise multiplication, and logical OR instead of summation. According to one embodiment, the processor includes an optical source matrix for receiving input binary data; a passive optical replicator for replicating a pattern on the optical source matrix and projecting it onto a Spatial Light Modulator (SLM); a database loading device for loading data onto the SLM thereby to perform logical AND with the optical source matrix data; an integrating device for integrating light from the SLM onto a photodiode matrix; and an output signal processing device.

Abstract: An interconnect system for coupling light from a laser light source to an optical fiber having a fiber aperture, the interconnect system including a 2-dimensional array of laser light sources, a 2-dimensional array of micro lenses disposed between 10-200 ?m distance from the laser light source, between the laser light source and the optical fiber and in registration therewith, each micro lens comprising a micro lens back surface, a micro lens body, a micro lens front surface, and a clear aperture, the micro lens front surface and back surface being shaped to provide a laser beam in the micro lens body of smaller diameter than the clear aperture for focusing the beam onto the fiber aperture.

Abstract: A lookup table including stored data, the lookup table including a Random Access Memory (RAM) for storing the data, wherein the RAM includes a plurality of windows; and a Ternary Content Addressable Memory (TCAM) for storing indices, each index pointing to the windows, and a method for performing a Longest Prefix Match (LPM) including organizing data in such a lookup table, searching according to a lookup key in the TCAM, receiving a match signal from the TCAM including an index pointing to one of the windows, and searching according to the lookup key in the pointed to window.

Abstract: An optoelectronic chip assembly including a printed circuit board (PCB) coupled to a substrate, an aperture formed through the printed circuit board and through the substrate, a heat sink, an array of active electro-optical elements mounted in the aperture and connected to a driving chip controlled by the PCB, wherein the driving chip is coupled to the heat sink. Preferably, the assembly further includes a plurality of passive optical elements disposed for optical communication and data transfer with said active electro-optical elements, but thermally isolated therefrom.

Abstract: An IP address assignment method including assigning a chassis serial number to a node during manufacture, generating an array of unique IP addresses composed using the chassis serial number, and assigning a unique IP address from the array to each interface associated with the node.

Abstract: A method and system for transporting SONET signals over an optical telecommunications network, the method including generating a ComBus signal, including payload data, J1/C1 and synchronous payload envelope (SPE), per SONET path, Smart extracting of data from the ComBus signal (J1 detection and N/P detection), gathering the payload data and J1 into short packets, adding a packet header to each short packet, transporting the short packets to a destination, and generating C1 and SPE at the destination so as to reconstruct the SONET signals out of the ComBus signal.

Abstract: A method and system for protecting packets which include services, transported over an optical communication network, against traffic loss of more than 50 milliseconds, the method including: selecting a sub-network of the network; defining a protection scheme in the sub-network; utilizing a standard protocol for failure detection and identification and protection; defining connections between an A side and a Z side in the network, passing through at least one selected network element in said sub-network; automatically adding entries in switching tables of said selected network elements for a working state of said sub-network connections; and adding pre-defined entries in said switching tables for a protection state for each network element in the sub-network.

Abstract: A method and system for transporting SONET signals over an optical telecommunications network, the method including generating a ComBus signal, including payload data, J1/C1 and synchronous payload envelope (SPE), per SONET path, Smart extracting of data from the ComBus signal (J1 detection and N/P detection), gathering the payload data and J1 into short packets, adding a packet header to each short packet, transporting the short packets to a destination, and generating C1 and SPE at the destination so as to reconstruct the SONET signals out of the ComBus signal.

Abstract: An IP address assignment method including assigning a chassis serial number to a node during manufacture, generating an array of unique IP addresses composed using the chassis serial number, and assigning a unique IP address from the array to each interface associated with the node.

Abstract: A method for data transmission over an optical network, the method including collecting a plurality of services data to be transmitted in at least one service collection unit, processing the services in their original protocols into packets, and converting the services into optical signals on an optical fiber for transmission into a metro network; and sorting the services from a plurality of packets according to service type in an aggregator, coupled for optical communication to the service collection units, and combining like services for transmission over a compatible transport network.

Abstract: A method for packet processing for data transmission over an optical fiber, the method including the steps of segmenting an incoming bit stream, adding a tag to a header of each segment, each tag including data identifying a route between a source and a destination end-point of the bit stream, encapsulating the tagged segment into a Point-to-Point Protocol (PPP) packet, and mapping the encapsulated packet into a transmission frame (SONET/SDH or other) for transmission over an optical fiber.