Optical properties of Pb0.52Zr0.48TiO3 nanorod arrays: Second harmonic generation and multiphoton carrier dynamics

Rathsara R.H.H. Mudiyanselage; John Burton; Brenden A. Magill; Kiara McMillan; Gabriella Gagliano; Ada J. Morral; Min Gyu Kang; Han Byul Kang; Shashank Priya; Christopher J. Stanton; Giti A. Khodaparast

doi:10.1088/2515-7647/ac023a

Optical properties of Pb0.52Zr0.48TiO3 nanorod arrays: Second harmonic generation and multiphoton carrier dynamics

Rathsara R.H.H. Mudiyanselage, John Burton, Brenden A. Magill, Kiara McMillan, Gabriella Gagliano, Ada J. Morral, Min Gyu Kang, Han Byul Kang, Shashank Priya, Christopher J. Stanton, Giti A. Khodaparast

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Abstract

Nonlinear optical properties of poled and unpoled, lead zirconate-Titanate (Pb0.52Zr0.48TiO3) nanorod arrays, grown on Pt-coated Si with 200 nm diameter and 600 nm height, were investigated. Clear signatures of second harmonic generations (SHG), from 490 525 nm (2.38 2.53 eV) at room temperature, were observed. Furthermore, time resolved differential reflectivity measurements were performed to study dynamical properties of photoexcited carriers in the range of 690 1000 nm where multiphoton processes were responsible for the photo-excitations. We compared this excitation scheme, which is sensitive mainly to the surface states, to when the photoexcited energy (3.1 eV) was close to the band gap of the nanorods. Our results offer promises for employing these nanostructures in nonlinear photonic applications.

Original language	English (US)
Article number	e034012
Journal	JPhys Photonics
Volume	3
Issue number	3
DOIs	https://doi.org/10.1088/2515-7647/ac023a
State	Published - Jul 2021
Externally published	Yes

Bibliographical note

Funding Information:
This material is based upon work supported by the Air Force Office of Scientific Research under Award No. FA9550-17-1-0341 and DURIP funding (FA9550-16-1-0358). Kiara McMillan and Ada Morral acknowledge the support from Clare Boothe Luce Program at Virginia Tech.

Publisher Copyright:
© JPhys Complexity 2021. All rights reserved.

Keywords

multiferroics
nanorods
PZT
quantum sensing
second harmonic generation
time resolved spectroscopy

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10.1088/2515-7647/ac023a

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Mudiyanselage, R. R. H. H., Burton, J., Magill, B. A., McMillan, K., Gagliano, G., Morral, A. J., Kang, M. G., Kang, H. B., Priya, S., Stanton, C. J., & Khodaparast, G. A. (2021). Optical properties of Pb0.52Zr0.48TiO3 nanorod arrays: Second harmonic generation and multiphoton carrier dynamics. JPhys Photonics, 3(3), Article e034012. https://doi.org/10.1088/2515-7647/ac023a

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title = "Optical properties of Pb0.52Zr0.48TiO3 nanorod arrays: Second harmonic generation and multiphoton carrier dynamics",

abstract = "Nonlinear optical properties of poled and unpoled, lead zirconate-Titanate (Pb0.52Zr0.48TiO3) nanorod arrays, grown on Pt-coated Si with 200 nm diameter and 600 nm height, were investigated. Clear signatures of second harmonic generations (SHG), from 490 525 nm (2.38 2.53 eV) at room temperature, were observed. Furthermore, time resolved differential reflectivity measurements were performed to study dynamical properties of photoexcited carriers in the range of 690 1000 nm where multiphoton processes were responsible for the photo-excitations. We compared this excitation scheme, which is sensitive mainly to the surface states, to when the photoexcited energy (3.1 eV) was close to the band gap of the nanorods. Our results offer promises for employing these nanostructures in nonlinear photonic applications.",

keywords = "multiferroics, nanorods, PZT, quantum sensing, second harmonic generation, time resolved spectroscopy",

author = "Mudiyanselage, {Rathsara R.H.H.} and John Burton and Magill, {Brenden A.} and Kiara McMillan and Gabriella Gagliano and Morral, {Ada J.} and Kang, {Min Gyu} and Kang, {Han Byul} and Shashank Priya and Stanton, {Christopher J.} and Khodaparast, {Giti A.}",

note = "Funding Information: This material is based upon work supported by the Air Force Office of Scientific Research under Award No. FA9550-17-1-0341 and DURIP funding (FA9550-16-1-0358). Kiara McMillan and Ada Morral acknowledge the support from Clare Boothe Luce Program at Virginia Tech. Publisher Copyright: {\textcopyright} JPhys Complexity 2021. All rights reserved.",

year = "2021",

month = jul,

doi = "10.1088/2515-7647/ac023a",

language = "English (US)",

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journal = "JPhys Photonics",

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AU - Mudiyanselage, Rathsara R.H.H.

AU - Burton, John

AU - Magill, Brenden A.

AU - McMillan, Kiara

AU - Gagliano, Gabriella

AU - Morral, Ada J.

AU - Kang, Min Gyu

AU - Kang, Han Byul

AU - Priya, Shashank

AU - Stanton, Christopher J.

AU - Khodaparast, Giti A.

N1 - Funding Information: This material is based upon work supported by the Air Force Office of Scientific Research under Award No. FA9550-17-1-0341 and DURIP funding (FA9550-16-1-0358). Kiara McMillan and Ada Morral acknowledge the support from Clare Boothe Luce Program at Virginia Tech. Publisher Copyright: © JPhys Complexity 2021. All rights reserved.

PY - 2021/7

Y1 - 2021/7

N2 - Nonlinear optical properties of poled and unpoled, lead zirconate-Titanate (Pb0.52Zr0.48TiO3) nanorod arrays, grown on Pt-coated Si with 200 nm diameter and 600 nm height, were investigated. Clear signatures of second harmonic generations (SHG), from 490 525 nm (2.38 2.53 eV) at room temperature, were observed. Furthermore, time resolved differential reflectivity measurements were performed to study dynamical properties of photoexcited carriers in the range of 690 1000 nm where multiphoton processes were responsible for the photo-excitations. We compared this excitation scheme, which is sensitive mainly to the surface states, to when the photoexcited energy (3.1 eV) was close to the band gap of the nanorods. Our results offer promises for employing these nanostructures in nonlinear photonic applications.

AB - Nonlinear optical properties of poled and unpoled, lead zirconate-Titanate (Pb0.52Zr0.48TiO3) nanorod arrays, grown on Pt-coated Si with 200 nm diameter and 600 nm height, were investigated. Clear signatures of second harmonic generations (SHG), from 490 525 nm (2.38 2.53 eV) at room temperature, were observed. Furthermore, time resolved differential reflectivity measurements were performed to study dynamical properties of photoexcited carriers in the range of 690 1000 nm where multiphoton processes were responsible for the photo-excitations. We compared this excitation scheme, which is sensitive mainly to the surface states, to when the photoexcited energy (3.1 eV) was close to the band gap of the nanorods. Our results offer promises for employing these nanostructures in nonlinear photonic applications.

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Optical properties of Pb0.52Zr0.48TiO3 nanorod arrays: Second harmonic generation and multiphoton carrier dynamics

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