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Observation of nonclassical photon statistics due to quantum interference.
1Department of Physics, Indiana University-Purdue University Indianapolis, 402 N. Blackford Street, Indianapolis, Indiana 46202, USA.
Physical Review Letters
|January 22, 2002
Summary
Photon statistics change with phase, showing photon antibunching and bunching. A novel complex nonclassical phenomenon arises from two-photon interference in mixed light fields.
Area of Science:
- Quantum optics
- Nonlinear optics
Background:
- Photon statistics reveal light properties.
- Two-photon sources are crucial for quantum technologies.
Purpose of the Study:
- Investigate phase-dependent photon statistics in mixed light fields.
- Explore novel nonclassical phenomena.
Main Methods:
- Mixing a narrow band two-photon source with a coherent field.
- Analyzing photon statistics at different relative phases.
Main Results:
- Observed phase-dependent photon statistics.
- Demonstrated photon antibunching and bunching.
- Discovered a novel complex nonclassical phenomenon.
Conclusions:
- Two-photon interference drives the observed statistical features.
- Phase control is key to manipulating photon statistics.