Nonlinear interaction of two photons with a one-dimensional atom : Spatiotemporal quantum coherence in the emitted field
Physical Review A. Atomic, Molecular, and Optical Physics Volume 68 Issue 1
Page 013803-1-013803-13
published_at 2003-07-02
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| File | |
| Title ( eng ) |
Nonlinear interaction of two photons with a one-dimensional atom : Spatiotemporal quantum coherence in the emitted field
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| Creator |
Kojima Kunihiro
Takeuchi Shigeki
Sasaki Keiji
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| Source Title |
Physical Review A. Atomic, Molecular, and Optical Physics
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| Volume | 68 |
| Issue | 1 |
| Start Page | 013803-1 |
| End Page | 013803-13 |
| Abstract |
The nonlinear photon-photon interaction mediated by a single two-level atom is studied theoretically based on a one-dimensional model of the field-atom interaction. This model allows us to determine the effects of an atomic nonlinearity on the spatiotemporal coherence of a two-photon state. Specifically, the complete twophoton output wave function can be obtained for any two-photon input wave function. It is shown that the quantum interference between the components of the output state associated with different interaction processes causes bunching and antibunching in the two-photon statistics. This theory may be useful for various applications in photon manipulation, e.g., quantum information processing using photonic qubits, quantum nondemolition measurements, and the generation of entangled photons.
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Physical Society
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| Date of Issued | 2003-07-02 |
| Rights |
Copyright (c) 2003 American Physical Society.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1094-1622
[DOI] 10.1103/PhysRevA.68.013803
[NCID] AA10764867
[DOI] http://dx.doi.org/10.1103/PhysRevA.68.013803
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