A laser communication system and laser modulation method

A laser communication and laser technology, which is applied in the field of laser communication, can solve the problems of the transmission main line restricting large data transmission and the high cost of erecting the transmission main line, and achieve the effect of improving the amount of restricted data transmission and increasing the amount of data transmission

Active Publication Date: 2018-11-06
吴麟鑫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the rapid development of science and technology, massive data transmission has become the trend of future technological development. With the increase of information volume, transmission main lines such as submarine optical cables have become the bottleneck restricting big data transmission.
Building more transmission mainlines is very expensive

Method used

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  • A laser communication system and laser modulation method
  • A laser communication system and laser modulation method
  • A laser communication system and laser modulation method

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no. 1 example

[0028]Optical fiber communication technology has the advantages of high speed, low packet loss rate, low loss and power consumption, non-contact, and no radiation. However, as the amount of information continues to increase, the existing optical fiber communication technology cannot Technology is also starting to struggle.

[0029] In view of this, an embodiment of the present invention provides a laser communication system. Such as figure 1 As shown, the laser communication system 100 includes a modulating device 110 , a light adjusting device 130 , a receiving device 150 and a plurality of laser generating devices 120 with different wavelengths. A plurality of laser generating devices 120 are coupled to the modulation device 110 . It should be noted, figure 1 The dotted connecting lines between the blocks in the diagram represent optical signals, and the solid connecting lines represent electrical signals.

[0030] Wherein, a correspondence table is pre-stored in the mod...

no. 2 example

[0044] The basic structure and principle of the laser communication system provided by this embodiment and the technical effects produced are the same as those of the first embodiment. For a brief description, for the part not mentioned in this embodiment, you can refer to the corresponding content in the first embodiment. .

[0045] Such as figure 2 As shown, the laser communication system 100 provided in this embodiment includes a modulating device 110 , an optical adjusting device 130 , a receiving device 150 , a first laser generating device 121 , a second laser generating device 122 and a third laser generating device 123 . The first laser generating device 121 , the second laser generating device 122 and the third laser generating device 123 are all coupled to the modulation device 110 . In addition, the first laser generating device 121 , the second laser generating device 122 and the third laser generating device 123 are all pulsed lasers with different output wavele...

no. 3 example

[0057] An embodiment of the present invention also provides a laser modulation method, which is applied to the laser communication system described in the first embodiment. Such as figure 1 As shown, the laser communication system 100 includes: a modulating device 110 , a light adjusting device 130 , a receiving device 150 and a plurality of laser generating devices 120 with different wavelengths. Such as image 3 As shown, the laser modulation method may include the following steps S301 to S305.

[0058] Step S301: Divide the data information to be transmitted into multiple data segments.

[0059] Step S302: Search the color scale value sequence corresponding to each data segment in the pre-stored correspondence table.

[0060] Wherein, the pre-stored correspondence table includes a one-to-one correspondence between multiple color scale value sequences and multiple preset length binary data segments, and each color scale value sequence includes multiple color scale values....

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Abstract

The invention provides a laser communication system and a laser modulation method, and belongs to the technical field of laser communication. The laser communication system comprises a modulation device, a light adjusting device, a receiving device, and a plurality of laser generation devices with different wavelengths, the plurality of laser generation devices are all coupled to the modulation device, the modulation device is used for dividing to-be-transmitted data information into a plurality of data segments, a level value sequence corresponding to each data segment is searched in a prestored corresponding table, the level value sequence comprises a plurality of level values, a laser generation device corresponding to the level value is obtained according to the position of each level value in the level value sequence, a control instruction corresponding to the level value is obtained according to each level value, and the control instruction is sent to the corresponding laser generation device to enable the laser generation device to emit a laser pulse with the level value corresponding to the control instruction. Compared with the conventional laser communication mode, according to the system and method, the data transmission amount can be greatly improved.

Description

technical field [0001] The present invention relates to the technical field of laser communication, in particular to a laser communication system and a laser modulation method. Background technique [0002] Due to its good monochromaticity, strong directivity, concentrated optical power, good confidentiality, low cost, and fast installation, laser communication technology has attracted great attention from researchers all over the world. Optical fiber communication and laser atmospheric communication have become a reality, and optical fiber communication has been widely used in the Internet field, and has become the fastest transmission mode recognized in the world at present. However, with the rapid development of science and technology, massive data transmission has become the trend of future technological development. With the increase of information volume, transmission main lines such as submarine optical cables have become the bottleneck restricting big data transmissi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/11
CPCH04B10/11
Inventor 吴麟鑫
Owner 吴麟鑫
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