Homodyne detection for measuring coherent phase state distributions

Details Homodyne detection for measuring coherent phase state distributions Homodyne detection for measuring coherent phase state distributions

1996-03-25

arxiv.org/abs/quant-ph/9603027v2

Physics

Quantum Physics

9 figures using a4.sty

Scientific paper

Using coherent phase states, parameterized phase state distributions for a single-mode radiation field are introduced and their integral relation to the phase-parameterized field-strength distributions is studied. The integral kernel is evaluated and the problem of direct sampling of the coherent phase state distributions using balanced homodyne detection is considered. Numerical simulations show that when the value of the smoothing parameter is not too small the coherent phase state distributions can be obtained with sufficiently well accuracy. With decreasing value of the smoothing parameter the determination of the coherent phase state distributions may be an effort, because both the numerical calculation of the sampling function and the measurement of the field-strength distributions are required to be performed with drastically increasing accuracy.

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