Method and system for realizing optical communication through pulse width and pulse time

The invention provides a method for realizing optical communication through pulse width and pulse time, and the method comprises the steps: obtaining a digital signal, and obtaining a modulation signal sequence based on the digital signal, the modulation signal sequence comprising a plurality of characters 1 and a plurality of characters 0; obtaining a first optical signal based on the modulation signal sequence, obtaining a first optical signal, obtaining a demodulation signal sequence based on the first optical signal, and generating a target signal based on the demodulation signal sequence; obtaining a first detection signal sequence based on the modulation signal sequence, the first detection signal sequence comprising a plurality of characters 1 and 2, generating a second optical signal based on the first detection signal sequence, obtaining a first demodulation detection sequence based on the second optical signal, matching the first demodulation detection sequence with a demodulation signal sequence, a