Methods and systems for optical matrix calculation

A system for optical calculation with asynchronous feedback, the system comprising:

• at least a first light source configured to output at least a first optical output having a first wavelength;
• at least an optical modulator located down beam from the at least a first light source and configured to modulate the at least a first optical output, wherein the at least an optical modulator is further configured to modulate a light pulse characteristic of the at least a first optical output, wherein the light pulse characteristic comprises one or more of a pulsed duration, repetition rate, and duty cycle;
• at least an optical matrix multiplier located down beam from the at least an optical modulator configured to:
• accept the at least a first optical output;
• and
• generate a first matrix multiplication output as a function of the at least a first optical output;
• at least a first photodetector located down beam from the at least an optical matrix multiplier configured to:
• measure the first matrix multiplication output;
• and
• generate a first electrical multiplication output signal as a function of the first matrix multiplication output;
• an asynchronous feedback circuit electrically connected to the at least a first photodetector and at least one of the at least an optical modulator and the at least an optical matrix multiplier, wherein the asynchronous feedback circuit is configured to:
• calculate a first feedback signal as a function of the first electrical multiplication output signal;
• and
• provide the first feedback signal to the at least one of the at least an optical modulator and the at least an optical matrix multiplier;
• and
• a computing device communicative with the at least an optical matrix multiplier, wherein the computing device is configured to evaluate, using the at least an optical matrix multiplier, a hash function comprising an iterated composition of a security hash algorithm and a weighting function.