Method for optical computation of sums and differences
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United States of America
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Dec 24, 2024
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app pub date -
Mar 9, 2023
filing date -
Mar 9, 2023
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Abstract
An optical numerical computation method obtains operands that have respective values and modulates light sources to output light at amplitudes proportional to the operands. The light output for a given operand depends on whether the operand is positive or negative. The positive operands are output at wavelengths different from the negative operands. For operands that have multiple digits, the digits are separately treated so that the least significant digits are modulated with light sources at one frequency, and the most significant digits in two-digit numbers are modulated at another frequency, with positive and negative operands modulated at different frequencies. The light from the light sources enters a light collection cavity where it is sensed with sensors that generate resultant outputs at values indicative of the sensed light value.
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