研究著作

SCIE期刊論文

T. H. Her*, C. H. Chang, K. Darden, T. H. Chang, and H. Y. Yao, “Two-dimensional Keldysh theory for non-resonant strong-field ionization of monolayer 2D materials,” Optica 12, 538-545 (2025). IF：8.4.
H. Y. Yao*, Y. T. Kang, and T. H. Her, “Ultra-sensitive refractive index sensing enabled by accidental bound states in the continuum on ultrathin dielectric grating metasurfaces,” Opt. Express 33, 13298 (2025). IF：3.833. (corresponding author).
T. F. Yang, J. E. Nelson Anariba, C. C. Chang, H. Y. Yao*, and T. H. Chang*, “Efficiency-enhanced TM-mode gyrotron with down-taper interaction structure,” Phys. Plasma 31, 122107 (2024). IF：2.2. (co-corresponding author).
T. F. Yang, C. C. Chang, H. Y. Yao*, and T. H. Chang*, “Theoretical Investigation on Down-Taper-Type Frequency-Tunable Reflective Gyro-BWO,” IEEE Trans. Electron Devices, 71, 7112-7118 (2024). IF：3.221. (co-corresponding author).
Y. W. Lin, T. H. Chang, T. H. Her, and H. Y. Yao*, “Thin-film dielectric characterization by bound state in the continuum in high contrast grating,” Opt. Express 32, 36084 (2024). IF：3.833. (corresponding author)
S. H. Tsai, H. Y. Yao*, and T. H. Chang, “Exploring relaxation behaviors in Hydrogen-Bond networks within binary mixtures of propylene carbonate and primary alcohols through broadband dielectric spectroscopy and molecular dynamic simulation,” J. Mol. Liq. 405, 125043 (2024). IF：6.633. (corresponding author).
T. F. Yang, H. Y. Yao*, S. H. Chen, and T. H. Chang, “Intrinsic Resonance in Gyrotron Using Non-resonant RF Structure,” Physics of Plasma 31, 043101 (2024). IF：2.2.(corresponding author).
T. F. Yang, H. Y. Yao*, C. C. Chang, C. H. Du, F. Zhang, T. H. Chang, “TE-and TM-Mode Competition in Subterahertz Gyrotron Using Axis-Encircling Electron Beam,” IEEE Trans. Electron Devices 71, 815-821 (2024). IF：3.221. (corresponding author)
S. I. Ahmad, E. Sarpong, A. Dave, H. Y. Yao, J. M. Solomon, J. K. Jiang, C. W. Luo, W. H. Chang, and T. H. Her, “Dielectric breakdown and sub-wavelength patterning of monolayer hexagonal boron nitride using femtosecond pulses,” 2D Mater. 10, 045029 (2023). IF：6.861.
H. Y. Yao, Y. C. Wang, F. HadavandMirzaeeand, T. H. Chang, and T. H. Her, “Mechanism and tuning sensitivity of symmetry-protected resonances in high-contrast gratings,” Opt. Express 31, 20093 (2023). IF：3.833.
H. Y. Yao, Y. C. Wang, and T. H. Chang, “Investigation of dielectric spectrums, relaxation processes, and intermolecular interactions of primary alcohols, carboxylic acids, and their binary mixtures,” J. Mol. Liq. 353, 118755 (2022). IF：6.633.
H. Y. Yao, C. H. Wei, and T. H. Chang, “Nonlinear and self-consistent single-mode formulation for TM-mode gyrotrons,” Phys. Rev. E 104, 065205 (2021). IF：2.707.
H. Y. Yao, Y. W. Lin, and T. H. Chang, “Dielectric properties of BaTiO3-epoxy nanocomposites in the microwave regime,” Polymers 13, 1391 (2021). IF：4.967.
H. Y. Yao and T. H. Her, “Mechanism and sensitivity of Fano resonance tuning in high-contrast gratings” Opt. Lett. 46, 721 (2020). IF：3.56.
H. Y. Yao and T. H. Chang, “Time-domain analysis of superluminal effect for one-dimensional Fabry-Perot cavity,” Chin. J. Phys. 67, 657 (2020). IF：3.957.
H. Y. Yao, D. R. Hsiao, and T. H. Chang, “Fast, nondestructive, and broadband dielectric characterization for polymer sheets,” Polymers 12, 1891 (2020). IF：4.967.
S. C. Su, H. Y. Yao, and T. H. Chang, “Characterization of ferrites using a fully loaded waveguide system,” J. Magn. Magn. Mater. 505, 166712 (2020). IF：3.097.
H. Y. Yao, C. C. Chen, and T. H. Chang, “Starting behaviors of the TM-mode gyrotrons,” Phys. Plasma 27, 022113 (2020). IF：2.357.
H. Y. Yao, W. C. Chang, L. W. Chang, and T. H. Chang, “Theoretical and experimental investigation of ferrite-loaded waveguide for ferrimagnetism characterization,” Prog. Electromagn. Res. C 90, 195-208 (2019). IF：1.68.
M. E. Green, D. A. Bas, H. Y. Yao, J. J. Gengler, R. J. Headrick, T. C. Back, A. M. Urbas, M. Pasquali, J. Kono, and T. H. Her, “Bright and Ultrafast Photoelectron Emission from Aligned Single-Wall Carbon Nanotubes through Multiphoton Exciton Resonance,” Nano Lett. 19, 158-164 (2018). IF：11.238.
H. Y. Yao, Z. Y. Chen, and T. H. Chang, “A design of broadband and low-loss multilayer antireflection coating in THz region,” Prog. Electromagn. Res. C 88, 171 (2018). IF：1.68.
T. H. Chang, H. Y. Yao, B. Y. Su, W. C. Huang, and B. Y. Wei, “Nonlinear oscillations of TM-mode gyrotrons,” Phys. Plasma 24, 122109 (2017). IF：2.357.
T. H. Chang, W. C. Huang, H. Y. Yao, C. L. Hung, W. C. Chen, and B. Y. Su, “Asymmetric linear efficiency and bunching mechanisms of TM modes for electron cyclotron maser,” Phys. Plasma 24, 023302 (2017). IF：2.357.
H. Y. Yao, N. C. Chen, T. H. Chang, and H. G. Winful, “Tunable negative group delays in a birefringent waveguide with high fractional advancement induced by cross-interference effect,” IEEE Trans. Microw. Theory Techn. 64, 3121 (2016). IF：4.381.
H. Y. Yao, J. Y. Jiang, Y. S. Cheng, Z. Y. Chen, T. H. Her, and T. H. Chang, “Modal analysis and efficient coupling of TE01 mode in small-core THz Bragg fibers,” Opt. Express 23, 27266 (2015). IF：3.833.
H. Y. Yao, N. C. Chen, T. H. Chang, and H. G. Winful, “Frequency-dependent cavity lifetime and apparent superluminality in Fabry-Perot-like interferometers,” Phys. Rev. A 86, 053832 (2012). IF：2.971.
H. Y. Yao and T. H. Chang, “Experimental and theoretical studies of a broadband superluminality in Fabry-Perot interferometer,” Prog. Electromagn. Res. 122, 1 (2012). IF：4.831.
H. Y. Yao and T. H. Chang, “Effect of high-order modes on tunneling characteristics,” Prog. Electromagn. Res. 101, 291 (2010). IF：4.831.

國際會議論文

C. E. Hsiao and H. Y. Yao, “Design of a few-layers reflective-type optical limiter based on Si-SiO₂ grating mirror and nonlinear Si₃N₄ nanofilm,” P1-PP-013, TPS 2025 (Poster).
S. H. He and H. Y. Yao, “1-D Ultra-compact Spatial Noise Filter Based on an All-dielectric High-contrast Grating” P2-OP-070, TPS 2025 (Poster).
C. L. Tung and H. Y. Yao, “Enhancing upconversion photoluminescence efficiency with SP-BIC using an all-dielectric high contrast grating,” P2-OP-071, TPS 2025 (Poster).
Y. T. Kang and H. Y. Yao, “Ultra-sensitive refractive index sensing based on an accidental-bound state in continuum of an ultra-thin dielectric grating metasurface,” 2024-THU-S0904-O002, OPTIC 2024 (Oral).
S. H. He and H. Y. Yao, “1-D Ultra-compact Spatial Noise Filter Based on an All-dielectric High-contrast Grating” 2024-WED-P0101-P021, OPTIC 2024 (Poster).
C. L. Tung and H. Y. Yao, “Enhancing upconversion photoluminescence efficiency with SP-BIC and all-dielectric high contrast grating,” 2024-WED-P0101-P040, OPTIC 2024 (Poster).
C. E. Hsiao and H. Y. Yao, “Design of a reflective-type optical limiter based on broadband Si-SiO2 grating mirrors and a nonlinear Si3N4 absorber,” 2024-WED-P0101-P027, OPTIC 2024 (Poster).
Javed Iqbal and H. Y. Yao, “Investigation and fabrication of high-K and low loss structural nanocomposites for THz wave” 2024-FRI-S1NSTC-P012, OPTIC 2024 (Poster).
T. F. Yang, H. Y. Yao, S. H. Chen, and T. H. Chang, “Mechanism of Forward Radiation pn Gyrotron Oscillator with Regular Tube,” 6312928, IRMMW-THz 2024 (Keynote talk).
T. F. Yang, H. Y. Yao, C. C. Chang, C. H. Du, F. Zhang, and T. H. Chang, “TE and TM Mode Competition in Subterahertz Gyrotron Using Axis-encircling Electron Beam,” 320, ICOPS 2024 (Oral).
T. F. Yang, H. Y. Yao, C. C. Chang, C. H. Du, F. Zhang, and T. H. Chang, “TE and TM Mode Competition in Subterahertz Gyrotron Using Axis-encircling Electron Beam,” K4-OAS-002, TPS 2024 (Oral-AAPPS Award).
H. Y. Yao, T. H. Her, Y. C. Wang, F. Hadavandmirzaee, T. H. Chang, “Index-tuning analysis and innovative applications of bound states in the continuum in high-contrast dielectric gratings,” O1-OP-002, TPS 2024 (Oral).
T. F. Yang, H. Y. Yao, S. H. Chen, and T. H. Chang, “Intrinsic Resonance in Gyrotron Using Non-resonant RF Structure,” O3-PP-003, TPS 2024 (Oral).
Y. W. Lin, H. Y. Yao, and T. H. Chang, “Thin-Film Dielectric Characterization by Fano Resonance in High Contrast Grating,” O3-PP-004, TPS 2024 (Oral).
S. D. Tsai, H. Y. Yao, and T. H. Chang, “Broadband and Molecular Dynamics Analysis of Propylene Carbonate and its Binary Mixtures,” P2-PP-011, TPS 2024 (Poster).
J. Nelson, T. F. Yang, H. Y. Yao, and T. H. Chang, “Optimizing the Beam Efficiency of the TM₁₁-Mode Gyrotron through Geometrical Tuning,” P2-PP-016, TPS 2024 (Poster).
C. C. Chang, T. F. Yang, Z. C. Liou, H. Y. Yao, and T. H. Chang, “Investigation of structural effect on reflective-type gyrotron,” P2-PP-019, TPS 2024 (Poster).
H. Y. Yao, Y. C. Wang, F. HadavandMirzaeeand, T. H. Chang, and T. H. Her, “Refractive Index Tuning Sensitivity of Symmetry-protected Resonances in High-contrast gratings,” 2023-FRI-S0302-O006, OPTIC 2023 (Oral).
T. H. Her and H. Y. Yao, “Novel applications of tuning bound states in the continuum in high-contrast gratings,” WD1.1, IEEE RAPID 2023 (Invited talk).
H. Y. Yao and T. H. Chang, “Linear and Nonlinear Behaviors of TM-mode Gyrotrons,” O2-PP-001, TPS 2023 (Invited talk).
J. Nelson, H. Y. Yao, and T. H. Chang, “Optimization of Nonlinear Self-Consistent TM-mode Gyrotrons,” P2-PP-008, TPS 2023 (Poster).
Y. W. Lin, H. Y. Yao, and T. H. Chang, “Thin-Film Dielectric Characterization by Fano Resonance in High Contrast Grating,” P2-PP-011, TPS 2023 (Poster).
L. C. Kuo, H. Y. Yao, and T. H. Chang, “Broadband characterization of materials’ electromagnetic properties at different phases by stripline system,” P2-PP-012, TPS 2023 (Poster).
H. Y. Yao, C. H. Wei, and T. H. Chang, “Nonlinear and Self-Consistent Formulation for TM-mode Gyrotrons,” O2-PP-003, TPS 2022 (Oral).
Y. C. Wang, H. Y. Yao, and T. H. Chang, “Broadband permittivity characterization of alcohol-carboxylic acids binary mixtures by coaxial-circular waveguide junction,” PP-PP-015, TPS 2022 (Poster).
Y. W. Lin, H. Y. Yao, and T. H. Chang, “High-Q Fano resonance in high-contrast grating for thin-film dielectric characterization in the sub-THz regime,” PP-PP-016, TPS 2022 (Poster).
C. H. Wei, H. Y. Yao, and T. H. Chang, “Optimization of TM11-mode gyrotron backward-wave oscillator by two-step tapered structure,” PP-PP-017, TPS 2022 (Poster).
H. Y. Yao, C. H. Wei, and T. H. Chang, “Nonlinear and Self-Consistent Formulation for TM-mode Gyrotrons,” 8O-B-06, ICOPS 2021 (Oral).
T. H. Her, J. M. Solomon, S. H. Chen, H. Y. Yao, L. S. Lu, S. Ahmad, W. C. Chiu, C. H Chang, S. C. Lin, J. Obeid, W. H. Chang, and C. W. Luo, “Optical breakdown of monolayer transition metal dichalcogenides induced by femtosecond laser,” WC3.3, IEEE RAPID 2021 (Invited talk).
J. M. Solomon, H. Y. Yao, L. S. Lu, W. H. Chang, T. H. Her, and C. W. Luo, “Ultrafast ablation and the role of avalanche ionization in transition metal dichalcogenides,” SW3H.1, CLEO 2021 (Invited talk).
H. Y. Yao and T. H. Her, “Mechanism and sensitivity of Fano resonance tuning in high-contrast gratings,” JW1A, CLEO 2021 (Poster).
T. H. Her, J. M. Solomon, S. H. Chen, H. Y. Yao, L. S. Lu, J. Obeid, Y. C. Wu, W. H. Chang, and C. W. Luo, “Femtosecond laser-induced breakdown of monolayer two-dimensional materials,” SW3G.1, CLEO 2020 (Invited talk).
H. Y. Yao, “Start-oscillation Behaviors of the TM mode gyrotrons”, TA2-S2-006, ICOPS 2020 (Oral).
D. R. Hsiao, H. Y. Yao, and T. H. Chang, “Development of a non-destructive circular waveguide system for broadband dielectric characterization of sheet materials,” P2-PA-033, TPS 2020 (Poster).
C. Chen, H. Y. Yao, and T. H. Chang, “Two-section waveguide system for liquid characterization,” P2-PA-009, TPS 2020 (Poster).
H. Y. Yao, C. C. Chen, and T. H. Chang, “Starting behaviors of the TM-mode gyrotrons,” P2-PA-031, TPS 2020 (Poster).
S. C. Su, H. Y. Yao, T. H. Chang, “Characterization of ferrites using fully loaded waveguide system,” O5-PA, TPS 2020 (Oral).
H. Y. Yao, C. Chen, T. H. Chang, “Microwave liquid characterization systems for the investigation of alcohol molecular dynamics,” O5-PA, TPS 2020 (Oral).
S. C. Su, H. Y. Yao and T. H. Chang, “Characterization of ferrites using fully loaded waveguide system,” 2019台灣磁性技術協會年會暨第31屆磁學與磁性技術研討會 (Oral).
T. H. Chang, H. W. Chao, H. Y. Yao, and S. C. Su, “Characterization and Applications of Ferrite Materials,” 2019台灣磁性技術協會年會暨第31屆磁學與磁性技術研討會 (Oral).
C. Chen, S. C. Su, H. Y. Yao, and T. H. Chang, “Three-section rectangular waveguide system for liquid characterization,” P2-PA-009, TPS 2019 (Poster).
H. Y. Yao, Z. Y. Chen, T. H. Chang, “A Design of broadband THz antireflection coating,” O4-OE-03, TPS 2019 (Oral).
J. M. Solomon, H. Y. Yao, Li. S. Lu , W. H. Chang, and T. H. Her, “Femtosecond-laser ablation of monolayer molybdenum disulfide (MoS2) on sapphire,” SM3H.4, CLEO 2019.
D. A. Bas, M. E. Green, H. Y. Yao, J. J. Gengler, R. J. Headrick, T. C. Back, A. M. Urbas, M. Pasquali, J. Kono, and T. H. Her, “Bright and Ultrafast Photoelectron Emission from Aligned Single-Wall Carbon Nanotubes through Multiphoton Exciton Resonance,” STh4H.5, CLEO 2019.
H. Y. Yao, J. Y. Jiang, Y. S. Cheng, Z. Y. Chen, T. H. Her, and T. H. Chang, “Efficient coupling of TE01 Mode in small-core THz Bragg fiber,” THz Workshop 2015 (Oral).
H. Y. Yao, Z. Y. Chen and T. H. Chang, “Broadband Multilayer Antireflection Coating in THz Region,” IRMMW-THz 2015 (Poster).
H. Y. Yao, J. Y. Jiang, Y. S. Cheng, Z. Y. Chen, T. H. Her, and T. H. Chang, “Design and efficient coupling of TE01 mode in small-core THz Bragg fibers” IRMMW-THz 2015 (Poster).
H. Y. Yao, N. C. Chen, T. H. Chang, and H. G. Winful, “Tunable and broadband negative group delays in a birefringent waveguide,” IRMMW-THz 2014 (Poster).
H. Y. Yao, J. Y. Jiang, Y. S. Cheng, Z. Y. Chen, T. H. Her, and T. H. Chang, “Design and efficient coupling of TE01 mode in small-core THz Bragg fibers,” IRMMW-THz 2014 (Poster).
H. Y. Yao, N. C. Chen, T. H. Chang, and H. G. Winful, “Frequency-dependent cavity lifetime and apparent superluminality in Fabry-Pérot-like Interferometers,” APS 2013 (Poster).
H. Y. Yao and T. H. Chang, “Effect of high-order modes on tunneling characteristics,” PIERS 2011 (Poster).

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