Method for storing and acquiring information using fluorescence defects in wide bandgap materials

A processing device for storing information using fluorescence defects in wide bandgap materials, comprising:

• a laser device configured to generate a laser for processing wide bandgap materials;
• and
• a laser control device configured to control a processing parameter of the laser according to a processing parameter group, and use the laser after controlling the processing parameter to process at M storage addresses of the wide bandgap materials, so that fluorescence defects matching target information are generated at the M storage addresses, the processing parameter group is configured to store the target information into the wide bandgap materials, and the processing parameter group comprises at least one processing parameter, where M is a positive integer.

A reading device for storing information using fluorescence defects in wide bandgap materials, comprising:

• a fluorescence signal excitation source configured to excite fluorescence defects at M storage addresses in wide bandgap materials, so that fluorescence information is generated at the fluorescence defects at the M storage addresses, the fluorescence information is configured to characterize a distribution of the fluorescence defects, the fluorescence defects are matched with target information, and the fluorescence defects are generated after processing at the M storage addresses based on a processing parameter group;
• and
• a fluorescence signal collecting device configured to collect the fluorescence information, so as to decode the fluorescence information and obtain the target information.