Prof. Hong-Gyu Park Profile

Prof. Hong-Gyu Park

Professor at Seoul National University

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Author

Publications (12)

Proceedings Article | 13 March 2024 Presentation + Paper

Advancing nanolasers based on topological cavities: vortex disclination nanolaser

Min-Soo Hwang, Ha-Reem Kim, Bohm-Jung Yang, Yuri Kivshar, Hong-Gyu Park

Proceedings Volume 12897, 128970D (2024) https://doi.org/10.1117/12.3002559

KEYWORDS: Optical vortices, Design, Polarization, Physics, Optical communications, Linear polarizers, Finite element methods, Dielectrics, Copyright, Quantum optics experiments

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Proceedings Article | 30 May 2022 Poster

Enhancement of nonlinear multiphoton processes in subwavelength resonators

Anastasia Zalogina, Pavel Tonkaev, Aditya Tripathi, Hoo-Cheol Lee, Luca Carletti, Hong-Gyu Park, Sergey Kruk, Yuri Kivshar

Proceedings Volume PC12143, PC121431F (2022) https://doi.org/10.1117/12.2632406

KEYWORDS: Luminescence, Resonators, Multiphoton processes, Absorption, Upconversion, Quantum efficiency, Photons, Excitons, Visible radiation, Tin

Proceedings Article | 5 March 2022 Presentation + Paper

Low threshold nanolasers based on topological resonant modes

Hong-Gyu Park, Min-Soo Hwang, Ha-Reem Kim, Kirill Koshelev, Yuri Kivshar

Proceedings Volume 12011, 1201106 (2022) https://doi.org/10.1117/12.2607338

KEYWORDS: Photonics, Photonic crystals, Active optics, Nanophotonics, Resonators, Physics, Hyperspectral imaging

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Proceedings Article | 26 February 2020 Paper

Observation of highly efficient second-harmonic generation at the nanoscale driven by bound states in the continuum

Kirill Koshelev, Sergey Kruk, Elizaveta Melik-Gaykazyan, Jae-Hyuck Choi, Andrey Bogdanov, Hong-Gyu Park, Yuri Kivshar

Proceedings Volume 11290, 112900C (2020) https://doi.org/10.1117/12.2544231

KEYWORDS: Second-harmonic generation, Resonators, Physics, Nanoparticles, Dielectrics, Nanophotonics

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Proceedings Article | 30 December 2019 Paper

Second-harmonic spectroscopy with structured beams and the observation of quasi-BIC modes in all-dielectric nanoresonators

Elizaveta Melik-Gaykazyan, Kirill Koshelev, Jae-Hyuck Choi, Sergey Kruk, Hong-Gyu Park, Yuri Kivshar

Proceedings Volume 11200, 1120007 (2019) https://doi.org/10.1117/12.2541214

KEYWORDS: Spectroscopy, Second-harmonic generation, Nanoparticles, Magnetism, Structured light, Physics, Dielectrics, Resonators, Nonlinear optics, Scattering, Semiconductors, Metamaterials, Photonic metamaterials, Electromagnetic coupling, Femtosecond lasers

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Proceedings Article | 27 February 2019 Presentation + Paper

Crumple nanostructuring of atomically thin 2D materials for flexible optoelectronic devices and plasmonic metamaterials

Pilgyu Kang, Michael Cai Wang, Peter Knapp, Kyoung-Ho Kim, Hong-Gyu Park, SungWoo Nam

Proceedings Volume 10920, 109200F (2019) https://doi.org/10.1117/12.2510971

KEYWORDS: Graphene, Plasmonics, Photodetectors, Nanostructures, Absorption, Nanostructuring, Metamaterials, Optoelectronic devices, Near field optics, Optoelectronics

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Proceedings Article | 21 September 2018 Presentation

Mie-coupled bound guided states in nanowire geometric superlattices (Conference Presentation)

Seokhyoung Kim, Kyoung-Ho Kim, David Hill, Hong-Gyu Park, James Cahoon

Proceedings Volume 10719, 107191W (2018) https://doi.org/10.1117/12.2318028

KEYWORDS: Nanowires, Superlattices, Optical switching, Mie scattering, Scattering, Optical design, Waveguides, Control systems, Silicon, Modulation

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Proceedings Article | 14 March 2018 Presentation

Focusing of light energy inside a scattering medium by controlling the time-gated multiple light scattering (Conference Presentation)

Ye-Ryoung Lee, Seungwon Jeong, Sungsam Kang, Wonjun Choi, Jin Hee Hong, Jin-Sung Park, Yong-Sik Lim, Hong-Gyu Park, Wonshik Choi

Proceedings Volume 10502, 105020K (2018) https://doi.org/10.1117/12.2286821

KEYWORDS: Light scattering, Scattering, Tissues, Diffusion, Photonics, In vivo imaging, Life sciences, Multiple scattering, Reflectivity, Optical imaging

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Proceedings Article | 10 February 2009 Paper

Ultra-small photonic crystal zero-cell laser cavities

Ho-Seok Ee, Hong-Gyu Park

Proceedings Volume 7219, 72190G (2009) https://doi.org/10.1117/12.809635

KEYWORDS: Finite-difference time-domain method, Photonic crystals, Scanning electron microscopy, Laser resonators, Optical pumping, Infrared cameras, Numerical simulations, Photonic integrated circuits, Semiconductor lasers, Light sources

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Proceedings Article | 25 March 2004 Paper

Toward the smallest possible photonic crystal lasers

Yong Hee Lee, Han-Yeol Ryu, Hong-Gyu Park, Se-Heon Kim, Masaya Notomi

Proceedings Volume 5277, (2004) https://doi.org/10.1117/12.528471

KEYWORDS: Photonic crystals, Photons, Laser crystals, Resonators, Crystals, Quantum wells, Indium gallium arsenide, Laser applications, Laser resonators, Laser damage threshold

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Proceedings Article | 20 October 2003 Paper

Active photonic crystal devices in III-V semiconductors

Yong-Hee Lee, Han-Youl Ryu, Hong-Gyu Park, Sung Kwon, Sang-Hoon Kim

Proceedings Volume 5225, (2003) https://doi.org/10.1117/12.507872

KEYWORDS: Photonic crystals, Photons, Photonic crystal devices, Semiconductor lasers, Laser crystals, Resonators, Semiconductors, Crystals, Laser damage threshold, Laser resonators

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Proceedings Article | 25 April 2002 Paper

Two-dimensional square lattice photonic-bandgap single-cell laser

Han-Youl Ryu, Se-Heon Kim, Hong-Gyu Park, Yong-Hee Lee

Proceedings Volume 4655, (2002) https://doi.org/10.1117/12.463871

KEYWORDS: Photonic crystals, Laser damage threshold, Finite-difference time-domain method, Laser crystals, Spectroscopy, Modes of laser operation, Magnetism, Photonic crystal devices, Laser applications, Refractive index

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Showing 5 of 12 publications

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