A laser communication system and laser modulation method

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...

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