All-optical noise-like chaotic laser generator

A chaotic laser and generator technology, applied in the field of optical security communication

Active Publication Date: 2021-08-03
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing photoelectric oscillation method to generate noise-like chaotic laser, and propose an all-optical noise-like chaotic laser generator, which can increase the chaos bandwidth while eliminating delay information, and improve the performance of chaotic laser. Complexity and Unpredictability

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  • All-optical noise-like chaotic laser generator

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Embodiment approach 1

[0010] The present invention proposes an all-optical noise-like chaotic laser generator, which includes: first and second pump light controllers 11 and 12, first and second optical transceivers 21 and 22, first and second 1×3 optical beam splitter 31, 32, first and second 2×2 optical couplers 41, 42, first and second optical circulators 51, 52, fiber Bragg grating 9, first and second single-mode Optical fibers 61 and 62 , first and second 2×1 optical multiplexers 71 and 72 , first and second adjustable optical attenuators 81 and 82 , and an optical differentiator 10 .

[0011] The connection of each device is as follows: the output ports of the first and second pump light controllers 11 and 12 are respectively connected to the control ports of the first and second optical transceivers 21 and 22, and the first and second optical transceivers 21 The output ports of , 22 are respectively connected to the input ports of the first and second 1×3 optical beam splitters 31,32, and th...

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Abstract

The invention discloses an all-optical noise-like chaotic laser generator which is suitable for the fields of chaotic secret communication, laser ranging, optical chaotic calculation and the like. The device comprises a first pump light controller (11), a second pump light controller (12), a first optical transceiver (21), a second optical transceiver (22), a first 1 * 3 optical beam splitter (31), a second 1 * 3 optical beam splitter (32), a first 2 * 2 optical coupler (41), a second 2 * 2 optical coupler (42), a first optical circulator (51), a second optical circulator (52), a fiber bragg grating (9), a first single-mode fiber (61), a second single-mode fiber (62), a first 2 * 1 optical multiplexer (71), a second 2 * 1 optical multiplexer (72), a first variable optical attenuator (81), a second variable optical attenuator (82) and an optical differentiator (10). According to the all-optical noise-like chaotic laser generator, delay information can be eliminated, the chaotic bandwidth is increased, and the complexity and unpredictability of chaotic laser are improved.

Description

technical field [0001] The invention belongs to the technical field of optical security communication, is suitable for the generation and processing of high-speed optical signals, and particularly relates to an all-optical noise-like chaotic laser generator. Background technique [0002] Chaotic lasers have the characteristics of noise-like, wide bandwidth, and high speed, and are widely used in the fields of chaotic secure communication, laser ranging, optical logic chaotic computing, and reinforcement learning. The schemes of chaotic laser generator mainly include: external light injection, optical feedback, photoelectric feedback and photoelectric oscillation, among which the photoelectric oscillation method is currently the most researched and applied scheme. In 2005, Argyris et al. established a high-speed chaotic optical security communication network with a total length of 120km using chaotic lasers generated by photoelectric oscillation [Argyris A, Syvridis D, Larger...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/00H01S5/06H01S5/40
CPCH01S5/0085H01S5/0604H01S5/4012
Inventor 董小伟董琦王志军
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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