We study a simple setup for non-destructive detection of photon number. We in parti-cular compare the device's inaccuracy and its phase disturbance to the uncertainty principle. As the traditional uncertainty principle involves neither inaccuracy nor dis-turbance, a new type of uncertainty relation is employed. Self-phase modulation is taken into account, losses are neglected.
CITATION STYLE
Martens, H., & de Muynck, W. M. (1991). The uncertainty principle in a QND measurement of photon number (pp. 41–50). https://doi.org/10.1007/3-540-53862-3_165
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