Search Results - "Pizzuto, Angela"
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1
Near-field terahertz nonlinear optics with blue light
Published in Light, science & applications (19-04-2023)“…The coupling of terahertz optical techniques to scattering-type scanning near-field microscopy (s-SNOM) has recently emerged as a valuable new paradigm for…”
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Journal Article -
2
Anomalous contrast in broadband THz near-field imaging of gold microstructures
Published in Optics express (10-05-2021)“…THz scattering-type scanning near-field microscopy (s-SNOM) has become a powerful technique for measuring carrier dynamics in nanoscale materials and…”
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Journal Article -
3
Laser THz emission nanoscopy and THz nanoscopy
Published in Optics express (22-06-2020)“…We present an experimental and theoretical comparison of two different scattering-type scanning near-field optical microscopy (s-SNOM) based techniques in the…”
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Journal Article -
4
High-volume rapid prototyping technique for terahertz metallic metasurfaces
Published in Optics express (26-04-2021)“…Terahertz technology has greatly benefited from the recent development and generalization of prototyping technologies such as 3D printing and laser machining…”
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Journal Article -
5
Terahertz near-field imaging of buried structures
Published in Optics express (21-10-2024)“…We report a characterization of the spatial resolution of terahertz (THz) apertureless near-field imaging of metal lines deeply buried beneath a silicon…”
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Journal Article -
6
Nonlocal Optical Pump-THz Probe in the Near Field
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…We demonstrate the first "nonlocal" nanoscale NIR-pump THz-probe measurements of semi-insulating GaAs using a scattering-type scanning near-field microscopy…”
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Conference Proceeding -
7
Nanoscale-Resolved Spatial Mapping of Tip-Mediated Terahertz Emission from Semiconductors
Published in Journal of infrared, millimeter and terahertz waves (01-10-2023)“…Scattering-type scanning near-field optical microscopy (s-SNOM) has become a powerful tool for subwavelength-resolved imaging and optical spectroscopy. The…”
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Journal Article -
8
Nonlocal Time-Resolved Terahertz Spectroscopy in the Near Field
Published in ACS photonics (20-10-2021)“…Scattering-type near-field optical microscopy (s-SNOM) has enabled subwavelength spectroscopy measurements on a wide variety of materials and over a large…”
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Journal Article -
9
Nonlocal Time-Resolved Terahertz Spectroscopy in the Near Field
Published in 2022 IEEE Photonics Society Summer Topicals Meeting Series (SUM) (01-07-2022)“…We describe scattering-type near-field terahertz imaging measurements in which the optical excitation spot is laterally displaced from the probed location. We…”
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Conference Proceeding -
10
Laser Terahertz Emission Nanoscopy with Blue Pump Pulses
Published in 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (28-08-2022)“…We describe the first demonstration of s-SNOM using blue light. Using femtosecond pulses at 410 nm, we generate THz emission from bulk InAs and show that these…”
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Conference Proceeding -
11
Nanoscale Laser Terahertz Emission Microscopy and THz Nanoscopy
Published in 2020 Conference on Lasers and Electro-Optics (CLEO) (01-05-2020)“…We compare near-field tip-based Terahertz Time-Domain Spectroscopy and Laser Terahertz Emission Microscopy. We quantitatively determine each technique's…”
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Conference Proceeding -
12
Terahertz Near-Field Imaging for Buried Structures
Published in 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (17-09-2023)“…We demonstrate terahertz imaging of deeply buried structures using the s-SNOM technique. Our approach successfully visualizes buried metallic lines at…”
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Conference Proceeding -
13
Nonlocal Time-Resolved Terahertz Spectroscopy in the Near Field
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…We demonstrate the first "nonlocal" pump-probe measurement using a scattering scanning near-field microscopy technique by laterally displacing the pump and…”
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Conference Proceeding -
14
Terahertz Metasurfaces Prototyping Using Low-Cost Hot Stamping
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…A rapid and low-cost prototyping technique to fabricate terahertz metallic metasurfaces is presented. Arrays of split-ring resonators, wire-grid polarizers and…”
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Conference Proceeding -
15
Bias Dependence of Laser Terahertz Emission Nanoscopy
Published in 2018 Conference on Lasers and Electro-Optics (CLEO) (01-05-2018)“…We demonstrate depletion of terahertz emission from semiconductors by applying a DC bias between a substrate and an AFM probe operating in tapping mode. The…”
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Conference Proceeding -
16
Laser Terahertz Emission Nanoscopy
Published in 2018 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) (01-07-2018)“…We demonstrate depletion of terahertz emission from semiconductors by applying a DC bias between a substrate and an AFM probe operating in tapping mode. The…”
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Conference Proceeding -
17
Rapid Low-Cost Prototyping of Terahertz Metallic Metasurfaces
Published in 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (29-08-2021)“…We present a very simple, rapid and low-cost prototyping technique to fabricate metallic 2D patterns for the terahertz range. We demonstrate arrays of…”
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Conference Proceeding -
18
Terahertz Metallic Metasurfaces Prototyping Using Hot Stamping
Published in 2021 Photonics North (PN) (31-05-2021)“…We present a very simple, rapid and low-cost prototyping technique to make metallic 2D patterns for the terahertz range. We demonstrate arrays of split-ring…”
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Conference Proceeding -
19
Anomalous Contrast in Broadband THz Near-Field Imaging of Gold Microstructures
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We perform near-field THz imaging on a series of deeply subwavelength gold structures. We observe a contrast unrelated to changes in the material's local…”
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Conference Proceeding -
20
Imaging on the Nanoscale with THz Time-Domain, Emission and Pump-Probe Microscopy
Published in 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (01-09-2018)“…We demonstrate an experimental platform based on an scattering-type scanning near-field optical microscope (s-SNOM) with the ability to perform Laser Terahertz…”
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Conference Proceeding