Photoelectric oscillation Isin machine and method for solving problem of combinatorial optimization
A technology of photoelectric oscillation and photodetector, applied in the field of microwave photonics to achieve the effect of high coherence
Active Publication Date: 2022-07-01
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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[0005] Aiming at the existing technical problems, the present invention provides a photoelectric oscillation Ising machine and a solution to the combinatorial optimization problem, which is used to at least partially solve the above technical problems
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[0042] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.
[0043] It should be noted that, in the drawings or descriptions in the specification, the same drawing numbers are used for similar or identical parts. The technical features in the various embodiments exemplified in the specification can be freely combined to form a new solution under the premise of no conflict. In addition, each claim can be used as an embodiment alone or the technical features in each claim can be combined as a new solution. and in the accompanying drawings, the shape or thickness of the embodiments may be enlarged and marked for simplification or convenience. Furthermore, elements or implementations not shown or described in the drawings are in the form known to those of ordinary skill in the art. Addit...
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The invention provides a photoelectric oscillation Isin machine and a solution method for a combinatorial optimization problem, and the photoelectric oscillation Isin machine comprises a closed loop composed of an electro-optical modulator, a long optical fiber, a photoelectric detector and an adjustable electric attenuation which are sequentially connected end to end, and a laser which is used for generating an optical carrier wave; the electro-optical modulator is used for modulating a second electric signal input by the circuit onto an optical carrier to obtain an optical signal; the long optical fiber is used for storing the optical signal so as to prolong the optical loop time; the photoelectric detector is used for converting the optical signal into an electric signal; the adjustable electric attenuation device is used for attenuating the electric signal, so that the closed loop is in a chaos bifurcation state, and an Isin spin signal is generated; and the spin coupling module is used for coupling an Isin spin signal. Through the combined action of devices such as the long optical fiber, the adjustable electric attenuation and the spin coupling module, large-scale, coherence and programmable organic unification of the photoelectric oscillation Isin machine can be realized.
Description
technical field [0001] The invention relates to the technical field of microwave photonics, in particular to a photoelectric oscillating Ising machine and a method for solving the problem of combinatorial optimization. Background technique [0002] Combinatorial optimization problem is a very common problem in modern production and life. The research and solution of combinatorial optimization problem is an important topic in many fields including finance, drug research and development, traffic control, circuit design, and artificial intelligence. For example, in railway transportation, the problem of train marshalling planning is a kind of super-large-scale organizational optimization problem. Efficient train marshalling can not only ensure the delivery of goods at the most economical speed, but also ensure that the point-to-line capacity of the entire line is coordinated and utilized. Fully tap the potential of railway transportation, improve transportation efficiency, and ...
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Login to View More IPC IPC(8): H04B10/25H04B10/50H04B10/516
CPCH04B10/503H04B10/516
Inventor 李明孟瑶孟祥彦郝腾飞李伟
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI