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Strong magnetic response of submicron Silicon particles in the infrared
Open accessAbstract
High-permittivity dielectric particles with resonant magnetic properties are being explored as constitutive elements of new metamaterials and devices. Magnetic properties of low-loss dielectric nanoparticles in the visible or infrared are not expected due to intrinsic low refractive index of optical media in these regimes. Here we analyze the dipolar electric and magnetic response of lossless dielectric spheres made of moderate permittivity materials. For low material refractive index (<∼3) there are no sharp resonances due to strong overlapping between different multipole contributions. However, we find that Silicon particles with index of refraction∼3.5 and radius∼200 nm present strong electric and magnetic dipolar resonances in telecom and near-infrared frequencies, (i.e. at wavelengths≈1.2-2 mm) without spectral overlap with quadrupolar and higher order resonances. The light scattered by these Si particles can then be perfectly described by dipolar electric and magnetic fields.
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Cited by
Staude, I., Miroshnichenko, A. E., Decker, M., Fofang, N. T., Liu, S., Gonzales, E., Dominguez, J., Luk, T. S., Neshev, D. N., Brener, I., et al. (2013) · ACS Nano · doi:10.1021/nn402736f · Cited by 1,121
Laser printing of silicon nanoparticles with resonant optical electric and magnetic responses
Zywietz, U., Evlyukhin, A. B., Reinhardt, C., & Chichkov, B. N. (2014) · Nature Communications · doi:10.1038/ncomms4402 · Cited by 494
Xiao, J., Liu, P., Wang, C. X., & Yang, G. W. (2017) · Progress in Materials Science · doi:10.1016/j.pmatsci.2017.02.004 · Cited by 352
Submicrometer Nanostructure-Based RGB Filters for CMOS Image Sensors
Berzinš, J., Fasold, S., Pertsch, T., Bäumer, S. M. B., & Setzpfandt, F. (2019) · ACS Photonics · doi:10.1021/acsphotonics.9b00021 · Cited by 73
Dielectric particle and void resonators for thin film solar cell textures
Mann, S. A., Grote, R. R., Osgood, R. M., & Schuller, J. A. (2011) · Optics Express · doi:10.1364/oe.19.025729 · Cited by 62
Metadata
- Authors
- García-Etxarri, A., Gómez-Medina, R., Froufe-Pérez, L. S., López, C., Chantada, L., Scheffold, F., Aizpurua, J., Nieto-Vesperinas, M., & Sáenz, J. J.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2011-02-28
- Volume
- 19
- Issue
- 6
- Pages
- 4815
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W1999336950
- Cited by
- 681
- References
- 0
- FWCI
- 14.64
- Type
- journal article
- Language
- en
- Open access
- gold
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- García-Etxarri, A., Gómez-Medina, R., Froufe-Pérez, L. S., López, C., Chantada, L., Scheffold, F., Aizpurua, J., Nieto-Vesperinas, M., & Sáenz, J. J. (2011). Strong magnetic response of submicron Silicon particles in the infrared. Optics Express. https://doi.org/10.1364/oe.19.004815
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