Hanbury Brown and Twiss effect
E7352
The Hanbury Brown and Twiss effect is a quantum optical phenomenon in which correlations in the arrival times of identical particles, such as photons, reveal their underlying statistical and coherence properties.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
intensity interferometry effect
→
photon correlation effect → quantum optical phenomenon → |
| appliesTo |
atoms in cold atom experiments
→
electrons → identical bosons → neutrons → photons → |
| characteristicFeature |
g2(0) < 1 for nonclassical light
→
g2(0) = 1 for coherent light → g2(0) = 2 for chaotic light → photon bunching for thermal light → |
| contrastsWith |
amplitude interferometry
→
first-order interference → |
| demonstratedWith |
radio waves
→
visible light → |
| describes |
correlations in arrival times of identical particles
→
intensity correlations → photon bunching → second-order coherence → |
| field |
astrophysics
→
quantum optics → statistical optics → |
| historicalContext |
first demonstrated in the 1950s
→
initially controversial in quantum theory → |
| influenced |
development of quantum coherence theory
→
modern quantum optics experiments → |
| measurementMethod |
coincidence counting of detection events
→
correlation of intensity fluctuations at two detectors → |
| namedAfter |
Richard Q. Twiss
→
Robert Hanbury Brown → |
| relatedTo |
Bose–Einstein statistics
→
classical wave interference → coherence theory → photon statistics → quantum interference → |
| revealsPropertyOf |
source brightness distribution
→
source size → spatial coherence of light → temporal coherence of light → |
| supports | wave–particle duality of light → |
| usedIn |
measurement of stellar angular diameters
→
photon antibunching measurements → quantum information science → quantum optics experiments → single-photon source characterization → stellar intensity interferometry → tests of nonclassical light → |
| usesConcept | second-order correlation function g2(t) → |
Referenced by (4)
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