| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Amplitude and phase controlled absorption and dispersion of coherently driven five-level atom in double-band photonic crystal |
| Li Jiang(姜丽)1, Ren-Gang Wan(万仁刚)2 |
1 Department of Physics, Changchun University of Science and Technology, Changchun 130000, China;
2 School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China |
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Abstract The absorption-dispersion properties of a microwave-driven five-level atom embedded in an isotropic photonic bandgap (PBG) have been studied. Due to the singular density of modes (DOM) in the isotropic PBG and the dynamically coherence induced by the coupling fields, modified reservoir-induced transparency and quantum interference-induced transparency emerge simultaneously. Their interaction leads to ultra-narrow spectral structure. As a result of closed-loop configuration, these features can be manipulated by the amplitudes and relative phase of the coherently driven fields. The position and width of PBG also have an influence on the spectra. The theoretical studies can provide us with more efficient methods to control the atomic absorption-dispersion properties, which have applications in optical switching and slow light.
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Received: 17 July 2018
Revised: 26 September 2018
Accepted manuscript online:
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PACS:
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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42.70.Qs
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(Photonic bandgap materials)
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32.80.Qk
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(Coherent control of atomic interactions with photons)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11447232 and 11204367). |
Corresponding Authors:
Li Jiang, Ren-Gang Wan
E-mail: jiangli08@mails.jlu.edu.cn;wrg@snnu.edu.cn
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Cite this article:
Li Jiang(姜丽), Ren-Gang Wan(万仁刚) Amplitude and phase controlled absorption and dispersion of coherently driven five-level atom in double-band photonic crystal 2019 Chin. Phys. B 28 024206
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