Fluorescence enhancement and nonreciprocal transmission of light waves by nanomaterial interfaces

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Fluorescence enhancement and nonreciprocal transmission of light waves by nanomaterial interfaces. / Nyman, Markus; Shevchenko, Andriy; Kaivola, Matti.

In: Physical Review A, Vol. 96, No. 5, 053828, 2017, p. 1-7.

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@article{160dd9b9d6d14c8baccd0518fcd8542f,
title = "Fluorescence enhancement and nonreciprocal transmission of light waves by nanomaterial interfaces",
abstract = "In an optically absorbing or amplifying linear medium, the energy flow density of interfering optical waves is in general periodically modulated in space. This makes the wave transmission through a material boundary, as described by the Fresnel transmission coefficients, nonreciprocal and apparently violating the energy conservation law. The modulation has been previously described in connection to ordinary homogeneous nonmagnetic materials. In this work, we extend the description to nanomaterials with designed structural units that can be magnetic at optical frequencies. We find that in such a “metamaterial” the modulation in energy flow can be used to enhance optical far-field emission in spite of the fact that the material is highly absorbing. We also demonstrate a nanomaterial design that absorbs light, but simultaneously eliminates the power flow modulation and returns the reciprocity, which is impossible to achieve with a nonmagnetic material. We anticipate that these unusual optical effects can be used to increase the efficiency of nanostructured light emitters and absorbers, such as light-emitting diodes and solar cells.",
keywords = "fluorescence, nanomaterials, optical reciprocity, metamaterials",
author = "Markus Nyman and Andriy Shevchenko and Matti Kaivola",
year = "2017",
doi = "10.1103/PhysRevA.96.053828",
language = "English",
volume = "96",
pages = "1--7",
journal = "Physical Review A",
issn = "2469-9926",
publisher = "American Physical Society",
number = "5",

}

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TY - JOUR

T1 - Fluorescence enhancement and nonreciprocal transmission of light waves by nanomaterial interfaces

AU - Nyman, Markus

AU - Shevchenko, Andriy

AU - Kaivola, Matti

PY - 2017

Y1 - 2017

N2 - In an optically absorbing or amplifying linear medium, the energy flow density of interfering optical waves is in general periodically modulated in space. This makes the wave transmission through a material boundary, as described by the Fresnel transmission coefficients, nonreciprocal and apparently violating the energy conservation law. The modulation has been previously described in connection to ordinary homogeneous nonmagnetic materials. In this work, we extend the description to nanomaterials with designed structural units that can be magnetic at optical frequencies. We find that in such a “metamaterial” the modulation in energy flow can be used to enhance optical far-field emission in spite of the fact that the material is highly absorbing. We also demonstrate a nanomaterial design that absorbs light, but simultaneously eliminates the power flow modulation and returns the reciprocity, which is impossible to achieve with a nonmagnetic material. We anticipate that these unusual optical effects can be used to increase the efficiency of nanostructured light emitters and absorbers, such as light-emitting diodes and solar cells.

AB - In an optically absorbing or amplifying linear medium, the energy flow density of interfering optical waves is in general periodically modulated in space. This makes the wave transmission through a material boundary, as described by the Fresnel transmission coefficients, nonreciprocal and apparently violating the energy conservation law. The modulation has been previously described in connection to ordinary homogeneous nonmagnetic materials. In this work, we extend the description to nanomaterials with designed structural units that can be magnetic at optical frequencies. We find that in such a “metamaterial” the modulation in energy flow can be used to enhance optical far-field emission in spite of the fact that the material is highly absorbing. We also demonstrate a nanomaterial design that absorbs light, but simultaneously eliminates the power flow modulation and returns the reciprocity, which is impossible to achieve with a nonmagnetic material. We anticipate that these unusual optical effects can be used to increase the efficiency of nanostructured light emitters and absorbers, such as light-emitting diodes and solar cells.

KW - fluorescence

KW - nanomaterials

KW - optical reciprocity

KW - metamaterials

U2 - 10.1103/PhysRevA.96.053828

DO - 10.1103/PhysRevA.96.053828

M3 - Article

VL - 96

SP - 1

EP - 7

JO - Physical Review A

JF - Physical Review A

SN - 2469-9926

IS - 5

M1 - 053828

ER -

ID: 16046506