Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Anisotropic Radiation in Heterostructured “Emitter in a Cavity” Nanowire. / Kuznetsov, Alexey; Roy, Prithu; Kondratev, Valeriy M.; Fedorov, Vladimir V.; Kotlyar, Konstantin P.; Reznik, Rodion R.; Vorobyev, Alexander A.; Mukhin, Ivan S.; Cirlin, George E.; Bolshakov, Alexey D.
в: Nanomaterials, Том 12, № 2, 241, 13.01.2022.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
}
TY - JOUR
T1 - Anisotropic Radiation in Heterostructured “Emitter in a Cavity” Nanowire
AU - Kuznetsov, Alexey
AU - Roy, Prithu
AU - Kondratev, Valeriy M.
AU - Fedorov, Vladimir V.
AU - Kotlyar, Konstantin P.
AU - Reznik, Rodion R.
AU - Vorobyev, Alexander A.
AU - Mukhin, Ivan S.
AU - Cirlin, George E.
AU - Bolshakov, Alexey D.
N1 - Publisher Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
PY - 2022/1/13
Y1 - 2022/1/13
N2 - Tailorable synthesis of axially heterostructured epitaxial nanowires (NWs) with a proper choice of materials allows for the fabrication of novel photonic devices, such as a nanoemitter in the resonant cavity. An example of the structure is a GaP nanowire with ternary GaPAs insertions in the form of nano-sized discs studied in this work. With the use of the micro-photoluminescence technique and numerical calculations, we experimentally and theoretically study photoluminescence emission in individual heterostructured NWs. Due to the high refractive index and near-zero absorption through the emission band, the photoluminescence signal tends to couple into the nanowire cavity acting as a Fabry–Perot resonator, while weak radiation propagating perpendicular to the nanowire axis is registered in the vicinity of each nano-sized disc. Thus, within the heterostructured nanowire, both amplitude and spectrally anisotropic photoluminescent signals can be achieved. Numerical modeling of the nanowire with insertions emitting in infrared demonstrates a decay in the emission directivity and simultaneous rise of the emitters coupling with an increase in the wavelength. The emergence of modulated and non-modulated radiation is discussed, and possible nanophotonic applications are considered.
AB - Tailorable synthesis of axially heterostructured epitaxial nanowires (NWs) with a proper choice of materials allows for the fabrication of novel photonic devices, such as a nanoemitter in the resonant cavity. An example of the structure is a GaP nanowire with ternary GaPAs insertions in the form of nano-sized discs studied in this work. With the use of the micro-photoluminescence technique and numerical calculations, we experimentally and theoretically study photoluminescence emission in individual heterostructured NWs. Due to the high refractive index and near-zero absorption through the emission band, the photoluminescence signal tends to couple into the nanowire cavity acting as a Fabry–Perot resonator, while weak radiation propagating perpendicular to the nanowire axis is registered in the vicinity of each nano-sized disc. Thus, within the heterostructured nanowire, both amplitude and spectrally anisotropic photoluminescent signals can be achieved. Numerical modeling of the nanowire with insertions emitting in infrared demonstrates a decay in the emission directivity and simultaneous rise of the emitters coupling with an increase in the wavelength. The emergence of modulated and non-modulated radiation is discussed, and possible nanophotonic applications are considered.
KW - Cavity
KW - Emitter
KW - GaP
KW - GaPAs
KW - Infrared
KW - Nanodisc
KW - Nanowire
KW - Photonics
KW - Waveguide
UR - http://www.scopus.com/inward/record.url?scp=85122659349&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/43958e04-708f-3a29-b7bf-1c6bbcf61f80/
U2 - 10.3390/nano12020241
DO - 10.3390/nano12020241
M3 - Article
AN - SCOPUS:85122659349
VL - 12
JO - Nanomaterials
JF - Nanomaterials
SN - 2079-4991
IS - 2
M1 - 241
ER -
ID: 96850051