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Engineering Plasmonic Lasing from Vi...

Li, Ran .

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Engineering Plasmonic Lasing from Visible to Near-Infrared Wavelength.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Engineering Plasmonic Lasing from Visible to Near-Infrared Wavelength./
Author:	Li, Ran .
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	111 p.
Notes:	Source: Dissertations Abstracts International, Volume: 82-01, Section: B.
Contained By:	Dissertations Abstracts International82-01B.
Subject:	Optics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27832469
ISBN:	9781083523655

Engineering Plasmonic Lasing from Visible to Near-Infrared Wavelength.
Li, Ran .

Engineering Plasmonic Lasing from Visible to Near-Infrared Wavelength. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 111 p.

Source: Dissertations Abstracts International, Volume: 82-01, Section: B.

Thesis (Ph.D.)--Northwestern University, 2020.

This item must not be sold to any third party vendors.

Light trapping with standing waves has been achieved using photonic bandgap crystals, metal-dielectric waveguides and periodic metal nanocavity arrays. Compared with photonic materials, plasmonic metal nanocavities can provide light confinement at the sub-wavelength scale with strong near-field electric enhancement. The localized surface plasmons of individual metal nanoparticles can collectively couple to the diffraction modes from the lattice geometry, giving rise to surface lattice resonances. Surface lattice resonances can serve as optical feedback for plasmonic nanolasing at room temperature. By engineering the unit cell or lattice geometry of a plasmonic nanoparticle array, we are able to manipulate the coupling mechanisms of the plasmonic nanoparticles, leading to the realization of a plasmonic nanolaser with distinct hotspot regions.In Chapter 1, we discuss how the coupling between plasmonic nanocavities changes with lattice geometries. We fabricated plasmonic aluminum nanoparticles on Polydimethylsiloxane substrate and investigated the optical responses under different stretching conditions. Chapter 2 describes the linear and nonlinear properties of plasmonic nanoparticle arrays fabricated using different plasmonic materials. We achieved sharp surface lattice resonances with Au and Al nanoparticle arrays and integrated organic dye molecules to the arrays to compare the lasing emissions and ultrafast dynamic behaviors between different plasmonic materials. Chapter 3 shows the realization of multicolor lasers on a single device. By mixing two or three different dye solutions, we can broaden the photoluminescence of the dye gain media to spectrally overlap with different surface lattice resonances simultaneously. By stacking two plasmonic nanoparticle lattices with different periodicities and incorporating mixed dye solutions between the lattices, we obtained blue, green and red color lasing emissions at the same time, which can be potentially used to achieve a plasmonic white color laser. Chapters 4 and 5 discuss the coupling mechanism in hexagonal and honeycomb lattices at different high-symmetry points. Chapter 4 presents the distinct coupling in plasmonic honeycomb lattices caused by the non-Bravais nature of a honeycomb lattice. We discovered that the surface lattice resonance at the Γ point of a honeycomb lattice has in-plane dipole coupling hybridized with in-plane quadrupole coupling, while the surface lattice resonance at the Γ of hexagonal lattice only shows in-plane dipole coupling. Besides looking the surface lattice resonance at the Γ point, we also investigated the surface lattice resonance at the off-normal M point in Chapter 5. Out-of-plane dipole coupling was revealed in a hexagonal array and high order coupling leads to mode splitting at the M point of honeycomb lattice. These findings show the importance of the non-Bravais nature in a unit cell to the near-field coupling of plasmonic nanostructures.

ISBN: 9781083523655Subjects--Topical Terms:

517925
Optics.
Subjects--Index Terms:

Lattice plasmons

Engineering Plasmonic Lasing from Visible to Near-Infrared Wavelength.
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300 $a 111 p.
500 $a Source: Dissertations Abstracts International, Volume: 82-01, Section: B.
500 $a Advisor: Odom, Teri W.
502 $a Thesis (Ph.D.)--Northwestern University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a Light trapping with standing waves has been achieved using photonic bandgap crystals, metal-dielectric waveguides and periodic metal nanocavity arrays. Compared with photonic materials, plasmonic metal nanocavities can provide light confinement at the sub-wavelength scale with strong near-field electric enhancement. The localized surface plasmons of individual metal nanoparticles can collectively couple to the diffraction modes from the lattice geometry, giving rise to surface lattice resonances. Surface lattice resonances can serve as optical feedback for plasmonic nanolasing at room temperature. By engineering the unit cell or lattice geometry of a plasmonic nanoparticle array, we are able to manipulate the coupling mechanisms of the plasmonic nanoparticles, leading to the realization of a plasmonic nanolaser with distinct hotspot regions.In Chapter 1, we discuss how the coupling between plasmonic nanocavities changes with lattice geometries. We fabricated plasmonic aluminum nanoparticles on Polydimethylsiloxane substrate and investigated the optical responses under different stretching conditions. Chapter 2 describes the linear and nonlinear properties of plasmonic nanoparticle arrays fabricated using different plasmonic materials. We achieved sharp surface lattice resonances with Au and Al nanoparticle arrays and integrated organic dye molecules to the arrays to compare the lasing emissions and ultrafast dynamic behaviors between different plasmonic materials. Chapter 3 shows the realization of multicolor lasers on a single device. By mixing two or three different dye solutions, we can broaden the photoluminescence of the dye gain media to spectrally overlap with different surface lattice resonances simultaneously. By stacking two plasmonic nanoparticle lattices with different periodicities and incorporating mixed dye solutions between the lattices, we obtained blue, green and red color lasing emissions at the same time, which can be potentially used to achieve a plasmonic white color laser. Chapters 4 and 5 discuss the coupling mechanism in hexagonal and honeycomb lattices at different high-symmetry points. Chapter 4 presents the distinct coupling in plasmonic honeycomb lattices caused by the non-Bravais nature of a honeycomb lattice. We discovered that the surface lattice resonance at the Γ point of a honeycomb lattice has in-plane dipole coupling hybridized with in-plane quadrupole coupling, while the surface lattice resonance at the Γ of hexagonal lattice only shows in-plane dipole coupling. Besides looking the surface lattice resonance at the Γ point, we also investigated the surface lattice resonance at the off-normal M point in Chapter 5. Out-of-plane dipole coupling was revealed in a hexagonal array and high order coupling leads to mode splitting at the M point of honeycomb lattice. These findings show the importance of the non-Bravais nature in a unit cell to the near-field coupling of plasmonic nanostructures.
590 $a School code: 0163.
650 4 $a Optics. $3 517925
650 4 $a Nanoscience. $3 587832
650 4 $a Nanotechnology. $3 526235
653 $a Lattice plasmons
653 $a Nanolasing
653 $a Plasmonics
653 $a Surface lattice resonance
690 $a 0752
690 $a 0565
690 $a 0652
710 2 $a Northwestern University. $b Materials Science and Engineering. $3 1058406
773 0 $t Dissertations Abstracts International $g 82-01B.
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793 $a English
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