Engineered nonlinear materials using gold nanoantenna array

Vladimir P. Drachev; Alexander V. Kildishev; Joshua D. Borneman; Kuo Ping Chen; Vladimir M. Shalaev; Konstantin Yamnitskiy; Robert A. Norwood; Nasser Peyghambarian; Seth R. Marder; Lazaro A. Padilha; Scott Webster; Trenton R. Ensley; David J. Hagan; Eric W. Van Stryland

doi:10.1038/s41598-017-19066-3

Engineered nonlinear materials using gold nanoantenna array

Vladimir P. Drachev, Alexander V. Kildishev, Joshua D. Borneman, Kuo Ping Chen, Vladimir M. Shalaev, Konstantin Yamnitskiy, Robert A. Norwood, Nasser Peyghambarian, Seth R. Marder, Lazaro A. Padilha, Scott Webster, Trenton R. Ensley, David J. Hagan, Eric W. Van Stryland

Research output: Contribution to journal › Article › peer-review

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Abstract

Gold dipole nanoantennas embedded in an organic molecular film provide strong local electromagnetic fields to enhance both the nonlinear refractive index (n ₂) and two-photon absorption (2PA) of the molecules. An enhancement of 53× for 2PA and 140× for nonlinear refraction is observed for BDPAS (4,4′-bis(diphenylamino)stilbene) at 600 nm with only 3.7% of gold volume fraction. The complex value of the third-order susceptibility enhancement results in a sign change of n ₂ for the effective composite material relative to the pure BDPAS film. This complex nature of the enhancement and the tunability of the nanoantenna resonance allow for engineering the effective nonlinear response of the composite film.

Original language	English (US)
Article number	780
Journal	Scientific reports
Volume	8
Issue number	1
DOIs	https://doi.org/10.1038/s41598-017-19066-3
State	Published - Dec 1 2018

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Drachev, V. P., Kildishev, A. V., Borneman, J. D., Chen, K. P., Shalaev, V. M., Yamnitskiy, K., Norwood, R. A., Peyghambarian, N., Marder, S. R., Padilha, L. A., Webster, S., Ensley, T. R., Hagan, D. J., & Van Stryland, E. W. (2018). Engineered nonlinear materials using gold nanoantenna array. Scientific reports, 8(1), Article 780. https://doi.org/10.1038/s41598-017-19066-3

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abstract = "Gold dipole nanoantennas embedded in an organic molecular film provide strong local electromagnetic fields to enhance both the nonlinear refractive index (n 2) and two-photon absorption (2PA) of the molecules. An enhancement of 53× for 2PA and 140× for nonlinear refraction is observed for BDPAS (4,4′-bis(diphenylamino)stilbene) at 600 nm with only 3.7% of gold volume fraction. The complex value of the third-order susceptibility enhancement results in a sign change of n 2 for the effective composite material relative to the pure BDPAS film. This complex nature of the enhancement and the tunability of the nanoantenna resonance allow for engineering the effective nonlinear response of the composite film.",

author = "Drachev, {Vladimir P.} and Kildishev, {Alexander V.} and Borneman, {Joshua D.} and Chen, {Kuo Ping} and Shalaev, {Vladimir M.} and Konstantin Yamnitskiy and Norwood, {Robert A.} and Nasser Peyghambarian and Marder, {Seth R.} and Padilha, {Lazaro A.} and Scott Webster and Ensley, {Trenton R.} and Hagan, {David J.} and {Van Stryland}, {Eric W.}",

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AU - Drachev, Vladimir P.

AU - Kildishev, Alexander V.

AU - Borneman, Joshua D.

AU - Chen, Kuo Ping

AU - Shalaev, Vladimir M.

AU - Yamnitskiy, Konstantin

AU - Norwood, Robert A.

AU - Peyghambarian, Nasser

AU - Marder, Seth R.

AU - Padilha, Lazaro A.

AU - Webster, Scott

AU - Ensley, Trenton R.

AU - Hagan, David J.

AU - Van Stryland, Eric W.

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AB - Gold dipole nanoantennas embedded in an organic molecular film provide strong local electromagnetic fields to enhance both the nonlinear refractive index (n 2) and two-photon absorption (2PA) of the molecules. An enhancement of 53× for 2PA and 140× for nonlinear refraction is observed for BDPAS (4,4′-bis(diphenylamino)stilbene) at 600 nm with only 3.7% of gold volume fraction. The complex value of the third-order susceptibility enhancement results in a sign change of n 2 for the effective composite material relative to the pure BDPAS film. This complex nature of the enhancement and the tunability of the nanoantenna resonance allow for engineering the effective nonlinear response of the composite film.

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Engineered nonlinear materials using gold nanoantenna array

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