KR900019422A - A system with at least two paths, including multiple stages of nodes and links, expansion and focusing means - Google Patents

Abstract

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Description

A system with at least two paths, including multiple stages of nodes and links, expansion and focusing means

Since this is an open matter, no full text was included.

1 is a diagram of a typical photonic system that includes expansion, a complete shuffle equivalent network and focusing, and FIG. 2 is a diagram of an exemplary network topology for a system that includes expansion, a complete shuffle equivalent network and focusing.

Claims (29)

A system having N inlets and M outlets, wherein each node has at least one input and output, and the total number of inputs and outputs is at least two, with at least four multiple node stages, The plurality of nodes intensively comprising a perfect shuffle equivalent network and a plurality of link stages each consisting of link stages for connecting an output of one of the node stages to an input of consecutive node stages of the node stages; Means for extending said N inlets to a large number of inputs of a stage and a link stage and a first node stage of said node stage, and means for converging a large number of M outputs of the last node stage of said node stage to said M outlet. And output each of the last node stage System that has at least two paths between each of the N inlet. 2. The apparatus of claim 1, wherein each node stage comprises a plurality of optical switching nodes for respectively providing switched optical connectivity, and an array of control beams for respectively controlling the optical connectivity of corresponding ones of the switching nodes. Means for generating and free space optics for directing each said control beam to a corresponding one of said switching nodes. 3. The system of claim 2, wherein said array of control beams comprises an array of disable beams for disabling communication of optical information through corresponding ones of said switching nodes. 3. The apparatus of claim 2, wherein the means for generating selectively generates means for generating a uniform array of beams corresponding to the plurality of switching nodes, and selectively transmitting beams of the uniform array constituting the array of control beams. Means for responding to an electrical control signal. 5. The system of claim 4, wherein said generating means further comprises means for responding to a request for connection via said system for generating said electrical control signal. 3. The method of claim 2, wherein each of the plurality of switching nodes has at least two optical states, each node stage further establishing an optical state of a corresponding one of the switching nodes prior to transfer of the optical information. Means for generating an array of preset beams for directing and free space optical means for directing each respective beam to a corresponding one of the switching nodes. 3. An array of power beams according to claim 2, wherein each of said plurality of switching nodes has at least two optical states, and each node stage also reads each of the optical states of a corresponding switching node of said switching nodes respectively. And free space optics for directing each of the power beams to a corresponding one of the switching nodes. 8. The system of claim 7, wherein each node stage also includes free space optical means for directing the power beams reflected from the plurality of switching nodes that make up an array of output beams. Means for receiving first and second arrays of information beams corresponding to the plurality of switching nodes, respectively, wherein each node stage also includes information for passing through the network; And free-space optical means for directing each information beam of the first and second arrays to a corresponding one of the switching nodes. 10. The apparatus of claim 9, wherein the plurality of optical switching nodes each have at least two optical states, each node stage further comprising an array of power beams for respectively reading the optical states of corresponding switching nodes of the switching nodes. And free space optical means for directing each power beam to a corresponding one of the switching nodes. 12. The apparatus of claim 10, wherein the system further comprises means for generating an array of preset beams to respectively establish optical states of corresponding ones of the switching nodes prior to transfer of optical information; And free-space optical means for directing a beam to a corresponding one of said switching nodes. 2. The apparatus of claim 1, wherein at least each furnace of one of the node stages comprises means for responding to a control signal for broadcasting an output signal to at least two nodes of successive node stages of the node stage. And wherein said output signal comprises a logical combination of signals receivable from at least two nodes of a preceding node stage of said node stage. 13. The system of claim 12, wherein the control signal and the output signal and the receivable signal are optical signals. The system of claim 13, wherein the output signal and the receivable signal have a given wavelength, and wherein the control signal has a wavelength different from the given wavelength. 15. The method of claim 14, wherein the first signal among the receivable signals includes a first data input signal and a first complementary data input signal, and the second signal among the receivable signals includes a second data input signal and a first data input signal. The complementary data output signal and the complementary data output signal include a data output signal and a complementary data output signal, and the broadcasting means comprises symmetric self-electrodes including first and second photodetectors having a quantum well region. An optical effect device, wherein the first photodetector is optically coupled to the two preceding stage nodes for receiving the first and second data input signals and for transmitting the data output signals. Coupled to the two successive stages, the second photodetector being adapted to receive the first and second complementary data input signals; Stage node and optically coupled to, the optical system is coupled to the two successive stage nodes for transmitting said complementary data output signal. 16. The apparatus as set forth in claim 15, wherein said broadcasting means further divides said data output signal into two signals for respectively transmitting to one node stage of said two successive stage nodes, and said complementary data output signal is divided into two signals. And beam splitter means for dividing into two signals each for transmission to one stage node of the four consecutive stage nodes. The system of claim 1, wherein each link stage comprises means for providing optical connectivity from an output of one node stage of the node stage to an input of a continuous node stage of the node stage. 2. The system of claim 1 wherein said expansion means comprises electrical means. 2. The system of claim 1 wherein said means for expanding comprises optical means. 20. The system of claim 18 or 19, wherein said expansion means connects said respective N inlets to multiple inputs of said first node stage. 21. The system of claim 20, wherein said means for expanding connects said respective N inlets to a plurality of inputs of said first node stage in a perfect shuffle retention pattern. 21. The apparatus of claim 20, wherein the expansion means connects each of the N inlets to the F input of the first node stage in a perfect shuffle retention pattern, where F is two powers and each of the plurality of node stages is the same number. And wherein each node of the plurality of node stages has two inputs and two outputs. 23. The system of claim 22, wherein said expansion means comprises a log ₂ F stage comprising a plurality of nodes each having one input and two outputs. The system of claim 1 wherein said focusing means comprises electrical means. The system of claim 1 wherein said focusing means comprises optical means. 26. The system according to claim 24 or 25, wherein the focusing means connects the multiple outputs of the last node stage to the respective M outlets. 27. The system of claim 26, wherein said focusing means connects the multiple outputs of said last node stage to said respective M exits in a perfect shuffle retention pattern. 27. The method of claim 26, wherein the focusing means connects the F outputs of the last node stage to the respective M outlets in a perfect shuffle retention pattern, where F is two powers, and each of the plurality of node stages is of equal number. And a node, wherein each node of the plurality of node stages has two inputs and two outputs. 29. The system of claim 28 wherein said focusing means comprises a log F comprising a plurality of nodes each having two inputs and one output. ※ Note: The disclosure is based on the initial application.