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Concept
Second-order Correlation Function
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Summary
The
Second-order Correlation Function
, denoted as g^(2)(τ), measures the
Intensity correlations
or
Statistical Independence
of a field at two points in time, providing insights into the
Quantum nature of light
and
Photon bunching phenomena
. It is a crucial tool in distinguishing between
Classical and
Quantum light
sources
, as g^(2)(0) < 1 indicates quantum (non-classical) light, such as
Single-photon Sources
.
Concepts
Photon Correlation
Quantum Optics
Photon Bunching
Quantum Coherence
Classical And Quantum Light
Hanbury Brown And Twiss Experiment
Coherent States
Single-photon Source
Laser Speckle
Thermal Light
Photon Antibunching
Anti-bunching
Relevant Degrees
Electrical Engineering 67%
Writing Materials and Equipment 33%
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