alt Hacker NewsStupid question - how is it even possible given that you lose information on each layer? And how do one implement a non-linear activation function without an amplifier of a sort?
Stupid question - how is it even possible given that you lose information on each layer? And how do one implement a non-linear activation function without an amplifier of a sort?
Normally in this kind of systems, the detection is the nonlinearity. That is, you send light through the system, the light can interfere, Changes path through the system but in the end you can detect only the intensities, |E|^2.