Coherence and the statistics of the phase difference between partially polarized electromagnetic waves

Coherence between two vectorial harmonic light vibrations is analyzed in terms of the statistics of their phase difference. This provides a natural and simple extension of second-order coherence to cover more complicate situations. In particular this assigns large coherence to quantum light states p...

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Bibliographic Details
Published in:Optics communications 2010-11, Vol.283 (22), p.4435-4439
Main Author: Luis, Alfredo
Format: Article
Language:English
Subjects:
Coherence
Electromagnetic waves
Harmonics
Interference
Phase shift
Polarization
Quantum theory
Statistics
Vibration
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Summary:Coherence between two vectorial harmonic light vibrations is analyzed in terms of the statistics of their phase difference. This provides a natural and simple extension of second-order coherence to cover more complicate situations. In particular this assigns large coherence to quantum light states providing the most accurate interferometric measurements allowed by the quantum theory, even if they are incoherent according to the standard second-order approach.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2010.04.089