Dr. Yuan Hsing Fu Profile

Dr. Yuan Hsing Fu

Scientist at A*STAR Institute of Microelectronics

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Publications (9)

Proceedings Article | 13 March 2024 Presentation + Paper

High efficiency metalens design using wavefront error optimization

Narak Choi, Keng Heng Lai, Yuan Hsing Fu

Proceedings Volume 12897, 128970A (2024) https://doi.org/10.1117/12.3002182

KEYWORDS: Wavefront errors, Design, Simulations, Mathematical optimization, Phase shifts, Finite-difference time-domain method, Computation time, Wavefronts

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Proceedings Article | 15 March 2023 Presentation + Paper

Model-based optical proximity correction for immersion lithography-based flat optics platform

Narak Choi, Keng Heng Lai, Arvind Sundaram, Navab Singh, Yuan Hsing Fu, Lennon Y. T. Lee

Proceedings Volume 12432, 1243205 (2023) https://doi.org/10.1117/12.2647686

KEYWORDS: Optical proximity correction, Flat optics, Critical dimension metrology, Optical lithography, Manufacturing, Lithography, Design and modelling

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SPIE Journal Paper | 8 June 2022 Open Access

Advances in lithium niobate photonics: development status and perspectives

Guanyu Chen, Nanxi Li, Jun Da Ng, Hong-Lin Lin, Yanyan Zhou, Yuan Hsing Fu, Lennon Y. Lee, Yu Yu, Ai-Qun Liu, Aaron Danner

AP, Vol. 4, Issue 03, 034003, (June 2022) https://doi.org/10.1117/12.10.1117/1.AP.4.3.034003

KEYWORDS: Photonics, Modulators, Waveguides, Crystals, Argon, Etching, Lithium niobate, Refractive index, Second-harmonic generation, Acousto-optics

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Proceedings Article | 29 September 2017 Presentation

New material platforms for dielectric nanoantennas and metasurfaces (Conference Presentation)

Naresh Emani, Hanfang Hao, Egor Khaidarov, Ramon Paniagua-Dominguez, Yuan Hsing Fu, Reuben Bakker, Vytautas Valuckas, Arseniy Kuznetsov

Proceedings Volume 10346, 103460S (2017) https://doi.org/10.1117/12.2273861

KEYWORDS: Dielectrics, Group III-V semiconductors, Nanostructures, Plasmonics, Visible radiation, Semiconductors, Titanium, Silicon, Gallium arsenide, Gallium nitride

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Optically resonant dielectric nanostructures is a new direction in nanophotonic research which gives a strong promise to compliment or substitute plasmonics in many potential application areas [1]. The main advantages of resonant dielectric nanostructures over conventional plasmonics are low losses, wide range of applicable dielectric materials and strong magnetic resonant response. So far most of research in this field has been conducted with silicon as a material for nanostructures due to its one of the highest value of refractive index at optical frequencies and CMOS compatibility. However, while silicon is an excellent material of choice for operation in the near-IR spectral range its applicability for visible frequencies is limited by increasing losses inside the material. Also, being an indirect bandgap semiconductor it is not a suitable material for making active nanoantenna devices. For these reasons in recent studies research focus starts shifting towards other appropriate materials such as III-V semiconductors, e.g. GaAs or GaP, and wide-bandgap semiconductors such as TiO2. In this presentation we will discuss applicability of different dielectric/semiconductor material platforms for obtaining resonant nanoantennas and metasurfaces operating in the visible frequency range. We will first show that titanium dioxide metasurfaces can be designed to obtain sharp resonances and full phase control at all three RGB wavelengths through Huygens’ metasurface approach, which pave the way towards realization of thin multi-layer metasurfaces with multi-colour operation. Then we will introduce a new III-V material platform based on GaN, which is highly transparent through the whole visible spectrum, and show high-efficiency operation of GaN metasurfaces in the blue and green parts of the visible spectrum. Finally we will discuss active nanoantennas based on GaAs and show the path towards achieving laser emission from resonant semiconductor nanoantenna structures. References: 1) A. I. Kuznetsov et al., “Optically resonant dielectric nanostructures”, Science 354, aag2472 (2016).

Proceedings Article | 29 September 2017 Presentation

High-angle light bending and ultra-high NA lenses achieved through resonance interference effects in dielectric metasurfaces (Conference Presentation)

Ramon Paniagua Dominguez, Egor Khaidarov, Ye Feng Yu, Hanfang Hao, Reuben Bakker, Liang Xinan, Vytautas Valuckas, Yuan Hsing Fu, Arseniy Kuznetsov

Proceedings Volume 10343, 103430Y (2017) https://doi.org/10.1117/12.2273731

KEYWORDS: Dielectrics, Lenses, Magnetism, Nanostructures, Plasmonics, Free space optics, Nanophotonics, Nanoparticles, Light scattering, Light emitting diodes

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Proceedings Article | 28 April 2017 Presentation

Resonant high-index metasurfaces: the magnetic response comes in to play (Conference Presentation)

Ramon Paniagua Dominguez, Ye Feng Yu, Yuan Hsing Fu, Egor Khaidarov, Hanfang Hao, Boris Luk'yanchuk, Arseniy Kuznetsov

Proceedings Volume 10113, 101130T (2017) https://doi.org/10.1117/12.2256280

KEYWORDS: Particles, Magnetism, Dielectrics, Dielectric polarization, Electromagnetism, Plasmonics, Scattering, Data storage, Current controlled current source

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Proceedings Article | 3 May 2016 Paper

Generic heterogeneously integrated III-V lasers-on-chip with metal-coated etched-mirror

Chee-Wei Lee, Doris Keh-Ting Ng, Min Ren, Yuan-Hsing Fu, Anthony Yew Seng Kay, Vivek Krishnamurthy, Jing Pu, Ai Ling Tan, Febiana Tjiptoharsono, Soo Bin Choo, Qian Wang

Proceedings Volume 9751, 97510M (2016) https://doi.org/10.1117/12.2218395

KEYWORDS: Silica, Mirrors, Semiconductor lasers, Silicon, Laser bonding, Waveguides, Metals, Laser damage threshold, Reflectivity, Etching

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Proceedings Article | 2 September 2009 Paper

Plasmonic nanostructures for photo-catalytic reactors

K. P. Chiu, N. L. Wu, C. S. Wu, Y. H. Fu, C. H. Chu, H. Y. Chung, F. H. Chen, L. D. Lin, L. H. Huang, C. D. Shue, D. P. Tsai

Proceedings Volume 7392, 73920B (2009) https://doi.org/10.1117/12.829023

KEYWORDS: Silver, Plasmonics, Nanostructures, Thin films, Nanolithography, Metals, Fabrication, Ultraviolet radiation, Lithography, Titanium dioxide

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Proceedings Article | 28 January 2005 Paper

Z-scan nonlinear optical properties of the Au-SiO₂ nanocomposite thin film

Yuan Hsing Fu, Wei-Chih Hsu, Song-Yeu Tsai, Din Ping Tsai

Proceedings Volume 5646, (2005) https://doi.org/10.1117/12.580528

KEYWORDS: Thin films, Nanocomposites, Gold, Absorption, Transmittance, Nanoparticles, Near field, Surface plasmons, Near field optics, Optical discs

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Showing 5 of 9 publications

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