Extreme phase and rotated quadrature measurements
classification
🪐 quant-ph
keywords
extremephasebestmeasurementsrotatedcharacterizeclassicalconvex
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We determine the extreme points of the convex set of covariant phase observables. Such extremals describe the best phase parameter measurements of laser light - the best in the sense that they are free from classical randomness due to fluctuations in the measuring procedure. We also characterize extreme fuzzy rotated quadratures.
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