Data generating device, light control device, data generating method, and computer-readable recording medium

A data generating device generating data for controlling a spatial light modulator, the device comprising a processor, the processor configured to:

• generate an intensity spectrum function A(ω) and a phase spectrum function Ψ(ω) for an optical pulse train including a plurality of optical pulses aligned with a time interval left therebetween;
• and
• generate data on the basis of the generated intensity spectrum function A(ω) and the generated phase spectrum function Ψ(ω);
• set a plurality of object pairs of a first generation relating to the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• calculate an evaluation value representing an amount of loss occurring due to intensity spectrum modulation based on a plurality of objects of an n-th generation (here, n is an integer that is equal to or greater than “1”) of the intensity spectrum function A(ω) for each object pair;
• select two or more object pairs used for generating a plurality of object pairs of an (n+1)-th generation among a plurality of object pairs of the n-th generation on the basis of superiority of the evaluation value;
• generate a plurality of object pairs of the (n+1)-th generation on the basis of the selected two or more object pairs, wherein calculating the evaluation value;
• selecting two or more object pairs;
• and generating the plurality of object pairs repeat while adding 1 to n until a predetermined condition is satisfied;
• and
• generate the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω) for generating the optical pulse train from a plurality of object pairs of an n-th generation of a case in which a predetermined condition is satisfied.

A method of generating data for controlling a spatial light modulator, the method comprising:

• generating an intensity spectrum function A(ω) appropriate for a desired time-intensity waveform;
• and
• generating the data on the basis of a phase spectrum function Ψ(ω) and the intensity spectrum function A(ω),
• wherein generating of the intensity spectrum function includes:
• setting a plurality of objects of a first generation of the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• transforming a plurality of first waveform functions of a frequency domain including a plurality of objects of an n-th generation (here, n is an integer equal to or greater than “1”) and the phase spectrum function Ψ(ω) into a plurality of second waveform functions of a time domain each including a time-intensity waveform function and a time-phase waveform function and calculating an evaluation value representing a degree of difference between the time-intensity waveform function and the desired time-intensity waveform for each of the second waveform functions;
• selecting two or more objects used for generating a plurality of objects of an (n+1)-th generation among a plurality of objects of the n-th generation on the basis of the evaluation value;
• and
• generating a plurality of objects of the (n+1)-th generation on the basis of the two or more objects, and
• wherein calculating of the evaluation value, selecting of the objects, and generating of the objects are repeated while adding 1 to n until a predetermined condition is satisfied, and, in generating of the intensity spectrum function, an intensity spectrum function A(ω) that is appropriate for the desired time-intensity waveform is generated from a plurality of objects of the n-th generation of a case in which the predetermined condition is satisfied.

A method of generating data for controlling a spatial light modulator, the method comprising:

• generating an intensity spectrum function A(ω) and a phase spectrum function Ψ(ω) appropriate for an optical pulse train including a plurality of optical pulses aligned with a time interval left therebetween;
• and
• generating the data on the basis of the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω),
• wherein generating of the spectrum function includes:
• setting a plurality of object pairs of a first generation relating to the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• calculating an evaluation value representing an amount of loss occurring due to intensity spectrum modulation based on a plurality of objects of an n-th generation (here, n is an integer that is equal to or greater than “1”) of the intensity spectrum function A(ω) for each object pair;
• selecting two or more object pairs used for generating a plurality of object pairs of an (n+1)-th generation among a plurality of object pairs of the n-th generation on the basis of superiority of the evaluation value;
• and
• generating a plurality of object pairs of the (n+1)-th generation on the basis of the two or more object pairs,
• wherein calculating of the evaluation value, selecting of the object pairs, and generating of the object pairs are repeated while adding 1 to n until a predetermined condition is satisfied, and, in generating of the spectrum function, the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω) that are appropriate for the optical pulse train are generated from a plurality of object pairs of an n-th generation of a case in which the evaluation value satisfies a predetermined condition.

A data generating device generating data for controlling a spatial light modulator, the data generating device comprising circuitry configured to:

• generate an intensity spectrum function A(ω) appropriate for a desired time-intensity waveform;
• generate the data on the basis of a phase spectrum function Ψ(ω) and the intensity spectrum function A(ω) generated;
• set a plurality of objects of a first generation of the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• transform a plurality of first waveform functions of a frequency domain including a plurality of objects of an n-th generation (here, n is an integer equal to or greater than “1”) and the phase spectrum function Ψ(ω) into a plurality of second waveform functions of a time domain each including a time-intensity waveform function and a time-phase waveform function and calculate an evaluation value representing a degree of difference between the time-intensity waveform function and the desired time-intensity waveform for each of the second waveform functions;
• select two or more objects used for generating a plurality of objects of an (n+1)-th generation among a plurality of objects of the n-th generation on the basis of superiority of the evaluation value;
• and
• generate a plurality of objects of the (n+1)-th generation on the basis of the two or more objects, and
• wherein the circuitry repeats calculation of the evaluation value, selecting of the objects, and generating of the objects while adding 1 to n until a predetermined condition is satisfied, and in designing of the intensity spectrum, generates an intensity spectrum function A(ω) appropriate for the desired time-intensity waveform from a plurality of objects of the n-th generation of a case in which the predetermined condition is satisfied.

A data generating device generating data for controlling a spatial light modulator, the device comprising circuitry configured to:

• generate an intensity spectrum function A(ω) and a phase spectrum function Ψ(ω) for an optical pulse train including a plurality of optical pulses aligned with a time interval left therebetween;
• generate the data on the basis of the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• set a plurality of object pairs of a first generation relating to the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω);
• calculate an evaluation value representing an amount of loss occurring due to intensity spectrum modulation based on a plurality of objects of an n-th generation (here, n is an integer that is equal to or greater than “1”) of the intensity spectrum function A(ω) for each object pair;
• select two or more object pairs used for generating a plurality of object pairs of an (n+1)-th generation among a plurality of object pairs of the n-th generation on the basis of superiority of the evaluation value;
• and generate a plurality of object pairs of the (n+1)-th generation on the basis of the two or more object pairs,
• wherein the circuitry repeats calculation of the evaluation value, selecting of the object pairs, and generating of the object pairs while adding 1 to n until a predetermined condition is satisfied, and in designing of the intensity spectrum, generates the intensity spectrum function A(ω) and the phase spectrum function Ψ(ω) for generating the optical pulse train from a plurality of object pairs of an n-th generation of a case in which a predetermined condition is satisfied.