Prof. Hyeyoung Ahn Profile

Prof. Hyeyoung Ahn

Professor at National Yang Ming Chiao Tung Univ.

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Publications (6)

Proceedings Article | 1 August 2021 Presentation

Probing the ultrafast charge carrier dynamics in double-layered mixed halide perovskite photovoltaics

Ching-Wen Chan, Mriganka Singh, I-Hung Ho, Hyeyoung Ahn, Tzung-Fang Guo, Chih-Wei Chu, Yu-Jung Lu

Proceedings Volume 11809, 118090C (2021) https://doi.org/10.1117/12.2594083

KEYWORDS: Perovskite, Ultrafast phenomena, Photovoltaics, Carrier dynamics, Solar cells, Luminescence, Absorbance, Ultrafast laser spectroscopy, Structural design, Solar energy

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Proceedings Article | 27 February 2019 Presentation + Paper

Efficient defect healing of transition metal dichalcogenides by phthalocyanines

H. Ahn, G.-H. Lee

Proceedings Volume 10920, 109200R (2019) https://doi.org/10.1117/12.2506867

KEYWORDS: Molybdenum, Molecules, Doping, Chemical vapor deposition, Transition metals, Excitons

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Proceedings Article | 4 March 2013 Paper

Nonlinear absorption in InN under resonant- and non-resonant excitation

H. Ahn, M.-T. Lee, Y.-M. Chang, J. Peng, S. Gwo

Proceedings Volume 8625, 86250L (2013) https://doi.org/10.1117/12.2001769

KEYWORDS: Indium nitride, Absorption, Nonlinear optics, Saturable absorption, Signal processing, Refractive index, Sapphire, Refraction, Switches, Transmittance

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Proceedings Article | 21 February 2011 Paper

Carrier dynamics of Mg-doped indium nitride

H. Ahn, C.-C. Hong, Y.-L. Hong, S. Gwo

Proceedings Volume 7937, 79370Y (2011) https://doi.org/10.1117/12.874133

KEYWORDS: Indium nitride, Reflectivity, Terahertz radiation, Diffusion, Carrier dynamics, Magnesium, Doping, Picosecond phenomena, Semiconductors, Ultrafast phenomena

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Proceedings Article | 24 January 2011 Paper

Terahertz emission from Mg-doped a-plane InN

H. Ahn, Y.-J. Yeh, S. Gwo

Proceedings Volume 7945, 79450Z (2011) https://doi.org/10.1117/12.874400

KEYWORDS: Terahertz radiation, Indium nitride, Magnesium, Doping, Semiconductors, Quantum efficiency, Nonlinear optics, Transient nonlinear optics, Crystals, Frequency conversion

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Proceedings Article | 16 February 2009 Paper

Terahertz emission and spectroscopy on InN epilayer and nanostructure

H. Ahn, C.-L. Pan, S. Gwo

Proceedings Volume 7216, 72160T (2009) https://doi.org/10.1117/12.805546

KEYWORDS: Indium nitride, Terahertz radiation, Dielectrics, Scattering, Spectroscopy, Nanostructures, Semiconductors, Refractive index, Crystals, Nanorods

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Showing 5 of 6 publications

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