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A simple model system is introduced for demonstrating how a single photonsource might be used to transduce classical analog information. The theoreticalscheme results in measurements of analog source samples that are (i) quantizedin the sense of analog-to-digital conversion and (ii) corrupted by random noisethat is solely due to the quantum uncertainty in detecting the polarizationstate of each photon. This noise is unavoidable if more than one bit per sampleis to be transmitted, and we show how it may be exploited in a manner inspiredby suprathreshold stochastic resonance. The system is analyzed informationtheoretically, as it can be modeled as a noisy optical communication channel,although unlike classical Poisson channels, the detector's photon statisticsare binomial. Previous results on binomial channels are adapted to demonstratenumerically that the classical information capacity, and thus the accuracy ofthe transduction, increases logarithmically with the square root of the numberof photons, N. Although the capacity is shown to be reduced when an additionaldetector nonideality is present, the logarithmic increase with N remains.

Signal acquisition via polarization modulation in single photon sources