Optical communication system, optical transmitting apparatus, optical receiving apparatus, optical communication method, and storage medium

An optical transmitting apparatus for converting information signals into light signals having specified optical intensities permitting optical soliton transmissions to output the light signals, the optical transmitting apparatus comprising:

• drive signal generating means for generating drive signals converting the plurality of information signals into the light signals having different amplitudes according to the plurality of information signals;
• and
• output means for outputting the light signals based on the driving signals output from the drive signal generating means,
• wherein the drive signal generating means converting the information signals into the light signals in such a manner that the sum of the amplitudes of any of the individual light signals differs from the amplitude of any other light signal.

An optical transmitting apparatus for converting information signals into light signals having specified optical intensities permitting optical soliton transmissions to output the light signals, the optical transmitting apparatus comprising:

• drive signal generating means for generating drive signals converting the plurality of information signals into the light signals having different amplitudes according to the plurality of information signals;
• and
• output means for outputting the light signals based on the driving signals output from the drive signal generating means,
• wherein the drive signal generating means and the output means are disposed for each of the plurality of information signals,
• wherein the drive signal generating means converts the information signals into the light signals in such a manner that, of the plurality of light signals, the light signal of a channel n has an amplitude An satisfying the equation An=2n−1×A0, in which n is a natural number and A0 is a fundamental amplitude necessary for the optical soliton transmission.

An optical communication method for communicating via a transmitting medium having anomalous dispersion characteristics, the optical communication method comprising the steps of:

• converting a plurality of information signals into light signals having different amplitudes according to the respective information signals by providing specified optical intensities permitting optical soliton transmissions;
• and
• outputting the light signals to the transmitting medium,
• wherein, in the converting step, the information signals are converted into the light signals in such a manner that the sum of the amplitudes of any of the individual light signals differs from the amplitude of any other light signal.