Search Results - "Hale, Lucy L"
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1
Near-Field Spectroscopy of Individual Asymmetric Split-Ring Terahertz Resonators
Published in ACS photonics (16-08-2023)“…Metamaterial resonators have become an efficient and versatile platform in the terahertz frequency range, finding applications in integrated optical devices,…”
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Journal Article -
2
Noninvasive Near‐Field Spectroscopy of Single Subwavelength Complementary Resonators
Published in Laser & photonics reviews (01-04-2020)“…Subwavelength metallic resonators provide a route to achieving strong light–matter coupling by means of tight confinement of resonant electromagnetic fields…”
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Journal Article -
3
Near-field spectroscopy of Dirac plasmons in Bi2Se3 ribbon arrays
Published in APL photonics (01-05-2023)“…Plasmons supported in the massless electron surface states of topological insulators (TIs), known as Dirac plasmons, have great potential in next generation…”
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Journal Article -
4
Near-field imaging and spectroscopy of terahertz resonators and metasurfaces [Invited]
Published in Optical materials express (01-11-2023)“…Terahertz (THz) metasurfaces have become a key platform for engineering light-matter interaction at THz frequencies. They have evolved from simple metallic…”
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Journal Article -
5
Terahertz Pulse Generation with Binary Phase Control in Nonlinear InAs Metasurface
Published in Nano letters (23-11-2022)“…The effect of terahertz (THz) pulse generation has revolutionized broadband coherent spectroscopy and imaging at THz frequencies. However, THz pulses typically…”
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Journal Article -
6
Resonance-Enhanced Terahertz Nanoscopy Probes
Published in ACS photonics (18-03-2020)“…Near-field nanoscopy at terahertz (THz) frequencies is uniquely placed to probe a multitude of physical phenomena at the nanoscale. However, at THz…”
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Journal Article -
7
Terahertz Detection Using Enhanced Two‐Step Absorption in Photoconductive Metasurfaces Gated at λ = 1.55 µm
Published in Advanced optical materials (01-01-2023)“…Superior ultrafast photoconductive properties make low temperature grown (LT) GaAs one of the best materials for photoconductive terahertz (THz) detection…”
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Journal Article -
8
Terahertz Pulse Generation from GaAs Metasurfaces
Published in ACS photonics (20-04-2022)“…Ultrafast optical excitation of select materials gives rise to the generation of broadband terahertz (THz) pulses. This effect has enabled the field of THz…”
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Journal Article -
9
Perfectly absorbing dielectric metasurfaces for photodetection
Published in APL photonics (01-10-2020)“…Perfect absorption of light by an optically thin metasurface is among several remarkable optical functionalities enabled by nanophotonics. This functionality…”
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10
Correction to “Terahertz Pulse Generation from GaAs Metasurfaces”
Published in ACS photonics (20-07-2022)Get full text
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11
Near Field Analysis of Individual High Quality Factor THz Resonators
Published in 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (17-09-2023)“…Asymmetric split ring resonators supporting high quality factor modes are investigated using aperture near-field microscopy. Modes of varying Q-factor are…”
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Conference Proceeding -
12
Terahertz Photoconductive Metasurface Detector with enhanced Two-Step Photon Absorption at 1550 nm
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We demonstrate the use of low-temperature grown GaAs (LT-GaAs) metasurface as an ultrafast photoconductive switching element gated with 1550 nm laser pulses…”
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Conference Proceeding -
13
InAs based Nonlinear Dielectric Metasurface for Binary Phase Terahertz Generation
Published in 2023 Conference on Lasers and Electro-Optics (CLEO) (01-05-2023)“…We demonstrate an InAs-based nonlinear dielectric metasurface, which can generate terahertz (THz) pulses with opposite phase in comparison to an unpatterned…”
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Conference Proceeding -
14
Sensitivity and Noise in THz Photoconductive Metasurface Detectors
Published in 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (28-08-2022)“…Photoconductive antenna THz detectors based on highly absorbing LT-GaAs metasurfaces enable high sensitivity and high signal-to-noise ratio (> 10 6 ) at…”
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Conference Proceeding -
15
Terahertz nano-spectroscopy with resonant scattering probes
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…We propose and demonstrate tunable resonant scattering probes for terahertz (THz) near-field microscopy, using sharp indium tips fabricated to the tine of a…”
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Conference Proceeding -
16
Terahertz Generation from GaAs Metasurfaces: Role of Surface Nonlinearity
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…We show that a GaAs metasurface can generate THz radiation with comparable efficiency to a bulk GaAs crystal. We attribute the enhanced generation to second…”
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Conference Proceeding -
17
Tunable Fully Absorbing Metasurfaces for Efficient THz Detection
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…Terahertz photoconductive antennas with a nanostructured active region have been actively investigated recently with a goal to achieve high efficiency THz…”
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Conference Proceeding -
18
Resonance-Amplified Terahertz Near-Field Spectroscopy of a Single Nanowire
Published in Nano letters (26-11-2024)“…Nanoscale material systems are central to next-generation optoelectronic and quantum technologies, yet their development remains hindered by limited…”
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Journal Article -
19
Terahertz Detection Using Enhanced Two‐Step Absorption in Photoconductive Metasurfaces Gated at λ = 1.55 µm
Published in Advanced optical materials (30-10-2022)“…Abstract Superior ultrafast photoconductive properties make low temperature grown (LT) GaAs one of the best materials for photoconductive terahertz (THz)…”
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Journal Article -
20
Photoconductive Metasurfaces for Terahertz Applications
Published 01-01-2021“…Photoconductive antennas (PCAs) are widely used as terahertz (THz) detectors for spectroscopy and imaging. However, their relatively low efficiency and…”
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Dissertation