| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Interference of a Narrowband Biphoton with Double Electromagnetically Induced Transparency in an N-Type System |
| CHEN Peng1,QIAN Jun1,CHEN Dong-Yuan2,HU Zheng-Feng1**,WANG Yu-Zhu1** |
1Key Laboratory for Quantum Optics, Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Robert R. McCormick School of Engineering and Applied Science, Northwestern University, Evanston, Illinois 60208, USA |
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| Cite this article: |
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CHEN Peng, QIAN Jun, CHEN Dong-Yuan et al 2012 Chin. Phys. Lett. 29 044202 |
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Abstract We predict the possibility of the interference of narrow-band biphotons generated by spontaneous four-wave mixing with double electromagnetically induced transparency configuration in cold atoms. In an N-type four-level system, an auxiliary optical field Ωm can create double transparency windows for anti-Stokes photons. When the slow light effects in the double transparency windows are very strong, two four-wave mixing channels could exist due to the splitting of the phase matching condition. The biphoton generated from the two four-wave mixing channels can cause interference and shows Rabi oscillations in two-photon correlation. This interference mechanism will complement the understanding of interference at the two-photon level.
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Received: 14 January 2012
Published: 04 April 2012
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| PACS: |
42.50.Dv
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(Quantum state engineering and measurements)
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