The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]

V. K. Valev; X. Zheng; C. G. Biris; A. V. Silhanek; V. Volskiy; B. De Clercq; O. A. Aktsipetrov; M. Ameloot; N. C. Panoiu; G. A E Vandenbosch; V. V. Moshchalkov

doi:10.1364/OME.1.000036

The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]

V. K. Valev, X. Zheng, C. G. Biris, A. V. Silhanek, V. Volskiy, B. De Clercq, O. A. Aktsipetrov, M. Ameloot, N. C. Panoiu, G. A E Vandenbosch, V. V. Moshchalkov

Department of Physics

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51 Citations (SciVal)

Abstract

Novel ways to detect the handedness in chiral optical metamaterials by means of the second harmonic generation (SHG) process have recently been proposed. However, the precise origin of the SHG emission has yet to be unambiguously established. In this paper, we present computational simulations of both the electric currents and the electromagnetic fields in chiral planar metamaterials, at the fundamental frequency (FF), and discuss the implications of our results on the characteristics of experimentally measured SHG. In particular, we show that the results of our numerical simulations are in good agreement with the experimental mapping of SHG sources. Thus, the SHG in these metamaterials can be attributed to a strong local enhancement of the electromagnetic fields at the FF, which depends on the particular structure of the patterned metamaterial.

Original language	English
Pages (from-to)	36-45
Number of pages	10
Journal	Optical Materials Express
Volume	1
Issue number	1
DOIs	https://doi.org/10.1364/OME.1.000036
Publication status	Published - 1 May 2011

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title = "The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]",

abstract = "Novel ways to detect the handedness in chiral optical metamaterials by means of the second harmonic generation (SHG) process have recently been proposed. However, the precise origin of the SHG emission has yet to be unambiguously established. In this paper, we present computational simulations of both the electric currents and the electromagnetic fields in chiral planar metamaterials, at the fundamental frequency (FF), and discuss the implications of our results on the characteristics of experimentally measured SHG. In particular, we show that the results of our numerical simulations are in good agreement with the experimental mapping of SHG sources. Thus, the SHG in these metamaterials can be attributed to a strong local enhancement of the electromagnetic fields at the FF, which depends on the particular structure of the patterned metamaterial.",

author = "Valev, {V. K.} and X. Zheng and Biris, {C. G.} and Silhanek, {A. V.} and V. Volskiy and {De Clercq}, B. and Aktsipetrov, {O. A.} and M. Ameloot and Panoiu, {N. C.} and Vandenbosch, {G. A E} and Moshchalkov, {V. V.}",

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T1 - The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]

AU - Valev, V. K.

AU - Zheng, X.

AU - Biris, C. G.

AU - Silhanek, A. V.

AU - Volskiy, V.

AU - De Clercq, B.

AU - Aktsipetrov, O. A.

AU - Ameloot, M.

AU - Panoiu, N. C.

AU - Vandenbosch, G. A E

AU - Moshchalkov, V. V.

PY - 2011/5/1

Y1 - 2011/5/1

N2 - Novel ways to detect the handedness in chiral optical metamaterials by means of the second harmonic generation (SHG) process have recently been proposed. However, the precise origin of the SHG emission has yet to be unambiguously established. In this paper, we present computational simulations of both the electric currents and the electromagnetic fields in chiral planar metamaterials, at the fundamental frequency (FF), and discuss the implications of our results on the characteristics of experimentally measured SHG. In particular, we show that the results of our numerical simulations are in good agreement with the experimental mapping of SHG sources. Thus, the SHG in these metamaterials can be attributed to a strong local enhancement of the electromagnetic fields at the FF, which depends on the particular structure of the patterned metamaterial.

AB - Novel ways to detect the handedness in chiral optical metamaterials by means of the second harmonic generation (SHG) process have recently been proposed. However, the precise origin of the SHG emission has yet to be unambiguously established. In this paper, we present computational simulations of both the electric currents and the electromagnetic fields in chiral planar metamaterials, at the fundamental frequency (FF), and discuss the implications of our results on the characteristics of experimentally measured SHG. In particular, we show that the results of our numerical simulations are in good agreement with the experimental mapping of SHG sources. Thus, the SHG in these metamaterials can be attributed to a strong local enhancement of the electromagnetic fields at the FF, which depends on the particular structure of the patterned metamaterial.

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The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]

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