Dr. Kateryna Kushnir Profile

Dr. Kateryna Kushnir

PhD Candidate at Worcester Polytechnic Institute

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Publications (8)

Proceedings Article | 11 March 2024 Poster + Paper

Terahertz emission in SnS2 single crystals: ultrafast shift current

Sepideh Khanmohammadi, Kateryna Kushnir, Erin Morissette, Curtis Doiron, Kristie Koski, Ronald Grimm, Ashwin Ramasubramamiam, Lyubov Titova

Proceedings Volume 12885, 1288512 (2024) https://doi.org/10.1117/12.3000382

KEYWORDS: Terahertz radiation, Crystals, Tin, Ultrafast phenomena, Polarization, Raman spectroscopy, X-ray photoelectron spectroscopy, Semiconductors, Materials properties, Emission spectroscopy

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Proceedings Article | 4 October 2023 Presentation + Paper

Tailoring ultrafast photoconductive response in GeS and GeSe by zero-valent Cu intercalation

Kateryna Kushnir, Sepideh Khanmohammadi, Catherine Tran, Nikoloz Gegechkori, Teng Shi, Srihari Kastuar, Chinedu Ekuma, Kristie Koski, Lyubov Titova

Proceedings Volume 12683, 126830B (2023) https://doi.org/10.1117/12.2680630

KEYWORDS: Ultrafast phenomena, Time resolved spectroscopy, Spectroscopy, Optical properties

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Proceedings Article | 15 March 2023 Poster + Paper

Ultrafast carrier dynamics in 2D GeS in response to photoexcitation across the visible-NIR range

Sepideh Khanmohammadi, Catherine Tran, Erika Colin-Ulloa, Kateryna Kushnir, Kristie Koski, Lyubov Titova

Proceedings Volume 12419, 124190M (2023) https://doi.org/10.1117/12.2650672

KEYWORDS: Germanium, Terahertz radiation, Ultrafast phenomena, Picosecond phenomena, Carrier dynamics, Spectral response, Conduction bands, Spectroscopy, Semiconductors, Crystals

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Proceedings Article | 27 February 2020 Paper

Transient photoconductivity and photo-excited carrier dynamics in (Bi1-xInx)2Se3 thin films

Teng Shi, Kateryna Kushnir, Zhengtianye Wang, Stephanie Law, Lyubov Titova

Proceedings Volume 11278, 112780H (2020) https://doi.org/10.1117/12.2546692

KEYWORDS: Thin films, Carrier dynamics, Terahertz spectroscopy

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Proceedings Article | 27 February 2020 Presentation + Paper

Zero-valent Au, Cu, and Sn intercalation into GeS nanoribbons: tailoring ultrafast photoconductive response

Kateryna Kushnir, Teng Shi, Leticia Damian, Auddy Anilao, Kristie Koski, Lyubov Titova

Proceedings Volume 11278, 112780I (2020) https://doi.org/10.1117/12.2546691

KEYWORDS: Germanium, Copper, Tin, Terahertz radiation, Gold, Metals, Scattering, Picosecond phenomena, Ultrafast phenomena, Semiconductors

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Proceedings Article | 14 September 2018 Open Access

Terahertz emission from 2D nanomaterials

Kateryna Kushnir, Mengjing Wang, Ying Qin, Guangjiang Li, Sefaattin Tongay, Kristie Koski, Lyubov Titova

Proceedings Volume 10756, 107560S (2018) https://doi.org/10.1117/12.2322160

KEYWORDS: Terahertz radiation, Emission spectroscopy, Nanomaterials, Photovoltaics, Ultrafast phenomena, Terahertz spectroscopy

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Proceedings Article | 22 February 2018 Presentation + Paper

Ultrafast zero-bias photocurrent in GeS nanosheets

Kateryna Kushnir, Mengjing Wang, Patrick Fitzgerald, Kristie Koski, Lyubov Titova

Proceedings Volume 10530, 105300Q (2018) https://doi.org/10.1117/12.2291666

KEYWORDS: Terahertz radiation, Ultrafast phenomena, Polarization, Photovoltaics, Emission spectroscopy, Ultrafast laser spectroscopy

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Proceedings Article | 23 September 2016 Presentation + Paper

All-optical phase shifter with photovoltaic liquid crystal cell

L. Lucchetti, K. Kushnir, F. Ciciulla, A. Zaltron, G. Bettella, G. Pozza, C. Sada, V. Reshetnyak, F. Simoni

Proceedings Volume 9940, 99400G (2016) https://doi.org/10.1117/12.2235580

KEYWORDS: Liquid crystals, Phase shifts, Crystals, Geometrical optics, Lithium niobate, Photovoltaics, Solar cells, Iron, Signal detection, Ions

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Showing 5 of 8 publications

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