| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Rectification effect in asymmetric Kerr nonlinear medium |
| Liu Wan-Guo, Pan Feng-Ming, Cai Li-Wei |
| Department of Applied Physics, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China |
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Abstract Based on the transfer matrix method, the recursion of an electromagnetic wave propagating in an asymmetric Kerr nonlinear medium is analytically formulated, from which the rectification effect is clearly presented. The effects on the rectification region of the linear part and nonlinear coefficient of permittivity are both studied, and the energy densities before and after rectification are discussed. We use a rectifying factor to describe the intensity of the rectification effect. The result shows that every transmission peak is divided into two parts when the symmetry is broken, and nonlinear asymmetry has a more significant effect on the rectification effect than the linear asymmetry. The rectification intensity and area will be enlarged when the asymmetry factor is increased in a certain range.
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Received: 24 September 2014
Revised: 14 November 2013
Published: 15 June 2014
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PACS:
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42.70.Mp
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(Nonlinear optical crystals)
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42.79.-e
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(Optical elements, devices, and systems)
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42.25.Bs
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(Wave propagation, transmission and absorption)
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78.67.Pt
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(Multilayers; superlattices; photonic structures; metamaterials)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 51032002) and the National High Technology Research and Development Program of China (Grant No. 2011AA050526). |
Corresponding Authors:
Pan Feng-Ming
E-mail: fmpan@nuaa.edu.cn
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Cite this article:
Liu Wan-Guo, Pan Feng-Ming, Cai Li-Wei Rectification effect in asymmetric Kerr nonlinear medium 2014 Chin. Phys. B 23 064213
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