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Nonlinear Fano-Resonant Dielectric Metasurfaces
Open accessAbstract
Strong nonlinear light-matter interaction is highly sought-after for a variety of applications including lasing and all-optical light modulation. Recently, resonant plasmonic structures have been considered promising candidates for enhancing nonlinear optical processes due to their ability to greatly enhance the optical near-field; however, their small mode volumes prevent the inherently large nonlinear susceptibility of the metal from being efficiently exploited. Here, we present an alternative approach that utilizes a Fano-resonant silicon metasurface. The metasurface results in strong near-field enhancement within the volume of the silicon resonator while minimizing two photon absorption. We measure a third harmonic generation enhancement factor of 1.5 × 10(5) with respect to an unpatterned silicon film and an absolute conversion efficiency of 1.2 × 10(-6) with a peak pump intensity of 3.2 GW cm(-2). The enhanced nonlinearity, combined with a sharp linear transmittance spectrum, results in transmission modulation with a modulation depth of 36%. The modulation mechanism is studied by pump-probe experiments.
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Cited by
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Krasnok, A., Tymchenko, M., & Alù, A. (2018) · Materials Today · doi:10.1016/j.mattod.2017.06.007 · Cited by 613
Nonlinear Metasurfaces Governed by Bound States in the Continuum
Koshelev, K., Tang, Y., Li, K., Choi, D.-Y., Li, G., & Kivshar, Y. (2019) · ACS Photonics · doi:10.1021/acsphotonics.9b00700 · Cited by 561
Compact folded metasurface spectrometer
Faraji-Dana, M., Arbabi, E., Arbabi, A., Kamali, S. M., Kwon, H., & Faraon, A. (2018) · Nature Communications · doi:10.1038/s41467-018-06495-5 · Cited by 365
Metasurface Micro/Nano-Optical Sensors: Principles and Applications
Qin, J., Jiang, S., Wang, Z., Cheng, X., Li, B., Shi, Y., Tsai, D. P., Liu, A. Q., Huang, W., & Zhu, W. (2022) · ACS Nano · doi:10.1021/acsnano.2c03310 · Cited by 359
Dynamic Nonlinear Image Tuning through Magnetic Dipole Quasi‐BIC Ultrathin Resonators
Xu, L., Zangeneh Kamali, K., Huang, L., Rahmani, M., Smirnov, A., Camacho‐Morales, R., Ma, Y., Zhang, G., Woolley, M., Neshev, D., et al. (2019) · Advanced Science · doi:10.1002/advs.201802119 · Cited by 348
Metadata
- Authors
- Yang, Y., Wang, W., Boulesbaa, A., Kravchenko, I. I., Briggs, D. P., Puretzky, A., Geohegan, D., & Valentine, J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-10-28
- Volume
- 15
- Issue
- 11
- Pages
- 7388-7393
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2340840325
- Cited by
- 611
- References
- 0
- FWCI
- 18.33
- Type
- journal article
- Language
- en
- Open access
- green
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- Yang, Y., Wang, W., Boulesbaa, A., Kravchenko, I. I., Briggs, D. P., Puretzky, A., Geohegan, D., & Valentine, J. (2015). Nonlinear Fano-Resonant Dielectric Metasurfaces. Nano Letters. https://doi.org/10.1021/acs.nanolett.5b02802
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