We study the magneto-permittivity effect in a magnetized plasma with appropriately designed parameters. We show that at frequency near the plasma frequency, magneto-optical activity plays an important role to manipulate and control the wave propagations in the magnetized plasma. Such a unique feature can be utilized to establish sensitive magnetic field switching mechanism, which is confirmed by detailed numerical investigations. Switching by magnetic field based on magnetized plasma is flexible and compatible with other optical system; moreover it is applicable to any frequency by tuning the plasma density. For these reason, our work shows the possibility for developing a new family of high frequency and ultrasensitive switching applications.
2. Zhang, X. C., Y. Jin, T. D. Hewitt, T. Sangsiri, L. E. Kingsley, and M. Weiner, "Magnetic switching of THz beams," Applied Physics Letters, Vol. 67, No. 17, 2003-2005, 1993.
3. Liu, K., W. Jiang, F. Sun, and S. He, "Experimental realization of strong DC magnetic enhancement with transformation optics," Progress In Electromagnetics Research, Vol. 146, 187-194, 2014.
4. Chin, J. Y., et al., "Nonreciprocal plasmonics enables giant enhancement of thin-film Faraday rotation," Nature Communications, Vol. 4, 1599, 2013.
5. Liu, M. and X. Zhang, "Plasmon-boosted magneto-optics," Nature Photonics, Vol. 7, 429-430, 2013.
6. Sessel, G. K. and I. W. Hofsajer, "Synthesis of magnetic field concentrated in one dimension," Progress In Electromagnetics Research, Vol. 144, 141-150, 2014.
7. Zvezdin, A. K. and V. A. Kotov, Modern magnetooptics and Magnetooptical Materials, Taylor & Francis, New York, 1997.
8. Potton, R. J., "Reciprocity in optics," Reports on Progress in Physics, Vol. 67, 717, 2004.
9. Pozar, D. M., Microwave Engineering, John Wiley & Sons, 2009.
10. Inoue, M., M. Levy, and A. Baryshev, Magnetophotonics: From Theory to Applications, Springer, Berlin, 2013.
11. Baibich, M. N., J. M. Broto, A. Fert, N. V. Dau, and F. Petroff, "Giant magnetoresistance of (001)Fe/(001)Cr magnetic superlattices," Physical Review Letters, Vol. 61, 2472-2475, 1988.
12. Binasch, G., P. Grunberg, F. Saurenbach, and W. Zinn, "Enhanced magnetoresistance in layered magnetic structures with antiferromagnetic interlayer exchange," Physical Review B, Vol. 39, 1989.
13. Correa, M. A., F. Bohn, C. Chesman, R. B. Silva, A. D. C. Viegas, and R. L. Sommer, "Tailoring the magnetoimpedance effect of NiFe/Ag multilayer," Journal of Physics D: Applied Physics, Vol. 43, 295004, 2010.
14. Pershan, P. S., "Magneto-optical effects," Journal of Applied Physics, Vol. 38, No. 3, 1482, 1967.
15. Freiser, M., "A survey of magnetooptic effects," IEEE Transactions on Magnetics, Vol. 4, No. 2, 152-161, 1968.
16. Silveririnha, M. and N. Engheta, "Tunneling of electromagnetic energy through subwavelength channels and bends using ε-near-zero materials," Physical Review Letters, Vol. 97, 157403, 2006.
17. Edwards, B., A. Alu, M. E. Young, M. Silveririnha, and N. Engheta, "Experimental verification of epsilon-near-zero metamaterial coupling and energy squeezing using a microwave waveguide," Physical Review Letters, Vol. 100, 033903, 2008.
18. Maas, R., J. Parsons, N. Engheta, and A. Polman, "Experimental realization of an epsilon-near-zero metamaterial at visible wavelengths," Nature Photonics, Vol. 7, 907-912, 2013.
19. Vesseur, E. J., T. Conenen, H. Caglayan, N. Engheta, and A. Polman, "Experimental verification of n = 0 structures for visible light," Physical Review Letters, Vol. 110, 0139202, 2013.
20. Engheta, N., "Pursuing near-zero response," Science, Vol. 340, 286, 2013.
21. Davoyan, A. R., A. M. Mahmoud, and N. Engheta, "Optical isolation with epsilon-near-zero metamaterials," Optical Express, Vol. 21, 3279, 2013.
22. Lin, X., Z.Wang, F. Gao, B. Zhang, and H. Chen, "Atomically thin nonreciprocal optical isolation," Scientific Reports, Vol. 4, 4190, 2014.
23. Lin, X., Y. Xu, B. Zhang, R. Hao, H. Chen, and E. Li, "Unidirectional surface plasmons in nonreciprocal graphene," New Journal of Physics, Vol. 15, 113003, 2013.
24. Davoyan, A. R. and N. Engheta, "Theory of wave propagation in magnetized near-zero-epsilon metamaterials: Evidence for one-way photonic states and magnetically switched transparency and opacity," Physical Review Letters, Vol. 111, 257401, 2013.
25. Chettiar, U. K., A. R. Davoyan, and N. Engheta, "Hotspots from nonreciprocal surface waves," Optical Letters, Vol. 39, 1760, 2014.
26. Davoyan, A. and N. Engheta, "Electrically controlled one-way photon flow in plasmonic nanostructures," Nature Communications, Vol. 5, 5250, 2014.
27. Bellan, P. W., Fundamental of Plasma Physics, Cambridge University Press, Cambridge, England, 2006.
28. Landau, L. D., L. P. Pitaevskii, and E. M. Lifshitz, Electrodynamics of Continuous Media, Butterworth-Heinemann, Oxford, England, 1984.
29. Camley, R. E., "Nonreciprocal surface modes," Surface Science Reports, Vol. 7, 103, 1987.
30. Bliokh, Y. P., J. Felsteiner, and Y. Z. Slutsker, "Total absorption of an electromagnetic wave by an overdense plasma," Physical Review Letters, Vol. 95, 165003, 2005.