2021
Double-layered halide architecture mixed perovskite solar cell probed by ultrafast transient absorption spectroscopy
Chan, C. W., Singh, M., Ho, I. H., Ahn, H., Guo, T. F., Chu, C. W. & Lu, Y. J., Jul 2021, Novel Optical Materials and Applications, NOMA 2021. The Optical Society, JF1D.4. (Optics InfoBase Conference Papers).
Engineering Giant Rabi Splitting via Strong Coupling between Localized and Propagating Plasmon Modes on Metal Surface Lattices: Observation of âšN Scaling Rule
Wang, C. Y., Sang, Y., Yang, X., Raja, S. S., Cheng, C. W., Li, H., Ding, Y., Sun, S., Ahn, H. Y., Shih, C. K., Gwo, S. & Shi, J., 13 Jan 2021, In: Nano letters. 21, 1, p. 605-611 7 p.
Enhanced random lasing performance of CH3NH3PbI3perovskite in AgI configuration
Kao, T. S., Hong, Y. H., Huang, Z. W. & Ahn, H., May 2021, 2021 Conference on Lasers and Electro-Optics, CLEO 2021 – Proceedings. Institute of Electrical and Electronics Engineers Inc., (2021 Conference on Lasers and Electro-Optics, CLEO 2021 – Proceedings).
Enhanced random lasing performance of CH3NH3PbI3 perovskite in AgI configuration
Kao, T. S., Hong, Y. H., Huang, Z. W. & Ahn, H., May 2021, CLEO: Science and Innovations, CLEO:S and I 2021. The Optical Society, STu1C.8. (Optics InfoBase Conference Papers).
Terahertz Analysis of CH3NH3PbI3 Perovskites Associated with Graphene and Silver Nanowire Electrodes
Huang, Z. W., Hong, Y. H., Du, Y. J., Kuo, T. J., Huang, C. C., Kao, T-S. & Ahn, H., 24 Feb 2021, In: ACS Applied Materials and Interfaces. 13, 7, p. 9224-9231 8 p.
THz Analysis of MAPbI3at the Interface with Graphene and Silver Nanowire Electrodes
Huang, Z. W., Hong, Y. H., Kuo, T. J., Kao, T. S. & Ahn, H., May 2021, 2021 Conference on Lasers and Electro-Optics, CLEO 2021 – Proceedings. Institute of Electrical and Electronics Engineers Inc., (2021 Conference on Lasers and Electro-Optics, CLEO 2021 – Proceedings).
THz analysis of MAPbI3 at the interface with graphene and silver nanowire electrodes
Huang, Z. W., Hong, Y. H., Kuo, T. J., Kao, T. S. & Ahn, H., May 2021, CLEO: Science and Innovations, CLEO:S and I 2021. The Optical Society, SW4F.4. (Optics InfoBase Conference Papers).
Tuning of Two-Dimensional Plasmon-Exciton Coupling in Full Parameter Space: A Polaritonic Non-Hermitian System
Sang, Y., Wang, C. Y., Raja, S. S., Cheng, C. W., Huang, C. T., Chen, C. A., Zhang, X. Q., Ahn, H., Shih, C. K., Lee, Y. H., Shi, J. & Gwo, S., 9 Mar 2021, In: Nano letters. 21, 6, p. 2596–2602 7 p.
2020
Chiral Second-Harmonic Generation from Monolayer WS2/Aluminum Plasmonic Vortex Metalens
Guo, W. P., Liang, W. Y., Cheng, C. W., Wu, W. L., Wang, Y. T., Sun, Q., Zu, S., Misawa, H., Cheng, P. J., Chang, S. W., Ahn, H., Lin, M. T. & Gwo, S., 8 Apr 2020, In: Nano letters. 20, 4, p. 2857-2864 8 p.
High optical nonlinearity in low-dimensional halide perovskite polycrystalline films
Liang, W. Y., Fangzhou, L. I. U., Lu, Y. J., Popović, J., Djurišić, A. & Ahn, H., 17 Aug 2020, In: Optics Express. 28, 17, p. 24919-24927 9 p.
Structure-Dependent Photoluminescence in Low-Dimensional Ethylammonium, Propylammonium, and Butylammonium Lead Iodide Perovskites
Lin, C. W., Liu, F., Chen, T. Y., Lee, K. H., Chang, C. K., He, Y., Leung, T. L., Ng, A. M. C., Hsu, C. H., Popović, J., Djurišić, A. & Ahn, H., 29 Jan 2020, In: ACS Applied Materials and Interfaces. 12, 4, p. 5008-5016 9 p.
Ultrafast Exciton Dynamics in Scalable Monolayer MoS2 Synthesized by Metal Sulfurization
Tsai, H. S., Huang, Y. H., Tsai, P. C., Chen, Y. J., Ahn, H., Lin, S. Y. & Lu, Y. J., 19 May 2020, In: ACS Omega. 5, 19, p. 10725-10730 6 p.
2019
Efficient defect healing of transition metal dichalcogenides by phthalocyanines
Ahn, H. Y. & Lee, G. H., 1 Jan 2019, 2D Photonic Materials and Devices II. Majumdar, A., Torres, C. M. & Deng, H. (eds.). SPIE, 109200R. (Proceedings of SPIE – The International Society for Optical Engineering; vol. 10920).
2018
Broadband Multifunctional Plasmonic Logic Gates
Sang, Y., Wu, X., Raja, S. S., Wang, C. Y., Li, H., Ding, Y., Liu, D., Zhou, J., Ahn, H. Y., Gwo, S. & Shi, J., 4 Jul 2018, In: Advanced Optical Materials. 6, 13, 1701368.
Efficient Defect Healing of Transition Metal Dichalcogenides by Metallophthalocyanine
Ahn, H. Y., Huang, Y. C., Lin, C. W., Chiu, Y. L., Lin, E. C., Lai, Y. Y. & Lee, Y. H., 29 Aug 2018, In: ACS Applied Materials and Interfaces. 10, 34, p. 29145-29152 8 p.
Monolayer Semiconductor Surface-Emitting Lasers Using 2D Dark Plasmonic Cavities
Wang, C. Y., Shi, J., Raja, S. S., Chen, C. A., Zhang, X. Q., Shih, C. K., Ahn, H. Y., Lee, Y. H. & Gwo, S., 6 Aug 2018, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 – Proceedings. Institute of Electrical and Electronics Engineers Inc., 8428003. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 – Proceedings).
Plasmonic enhancement and control of optical nonlinearity in monolayer WS2
Liang, W. Y., Ahn, H. Y., Sang, Y., Wang, Y., Shi, J., Raja, S. S., Lee, Y. H. & Gwo, S., 1 Jan 2018, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 – Proceedings: Applications and Technology, CLEO_AT 2018. OSA – The Optical Society, 8426925. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 – Proceedings).
Plasmonic Enhancement and Manipulation of Optical Nonlinearity in Monolayer Tungsten Disulfide
Shi, J., Liang, W. Y., Raja, S. S., Sang, Y., Zhang, X. Q., Chen, C. A., Wang, Y., Yang, X., Lee, Y. H., Ahn, H. Y. & Gwo, S., 1 Oct 2018, In: Laser and Photonics Reviews. 12, 10, 1800188.
2017
Observation of strain-induced phonon mode splitting in the tetragonal hybrid halide perovskite
Ahn, H., Huang, H., Hsieh, M. I., Li, M. H. & Chen, P., Nov 2017, In: Japanese journal of applied physics. 56, 11, 110307.
THz Study on the Role of ZnO Crystallinity in ZnO/AgNW/ZnO Composite Electrodes
Ahn, H., Kao, N. C., Liu, W. R. & Hsieh, W. F., 1 Jul 2017, In: IEEE Journal of Selected Topics in Quantum Electronics. 23, 4, 7814305.
Annealing-induced phase transition in zinc phthalocyanine ultrathin films
Ahn, H. & Chu, T. C., 1 Jan 2016, In: Optical Materials Express. 6, 11, p. 3586-3593 8 p.
Plasmonic Metasurfaces for Nonlinear Optics and Quantitative SERS
Gwo, S., Wang, C. Y., Chen, H. Y., Lin, M. H., Sun, L., Li, X., Chen, W. L., Chang, Y. M. & Ahn, H., 17 Aug 2016, In: ACS Photonics. 3, 8, p. 1371-1384 14 p.
THz spectroscopic analysis of transparent conductive silver nano wire films
Ahn, H., 7 Jan 2016, 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015. Institute of Electrical and Electronics Engineers Inc., 7376306. (2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015; vol. 4).
Anisotropic exciton relaxation in nanostructured metal (Zn and F16Zn)-phthalocyanine
Ahn, H., Liou, W. H., Chen, H-M. & Hsu, C. H., 9 Feb 2015, In: Optics Express. 23, 3, p. 3230-3235 6 p.
Giant colloidal silver crystals for low-loss linear and nonlinear plasmonics
Wang, C. Y., Chen, H. Y., Sun, L., Chen, W. L., Chang, Y. M., Ahn, H. Y., Li, X. & Gwo, S., 15 Jul 2015, In: Nature Communications. 6, 8734.
Observation of coherent acoustic phonon in titanyl phthalocyanine thin solid films
Ahn, H. & Su, S. H., 1 Aug 2015, In: Applied Physics Express. 8, 8, 082401.
Spectral dependence of third-order nonlinear optical properties in InN
Ahn, H. & Lee, M. T., 10 Aug 2015, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., 7183850. (Conference on Lasers and Electro-Optics Europe – Technical Digest; vol. 2015-August).
Spectral dependence of third-order nonlinear optical properties in InN
Ahn, H. & Lee, M. T., 4 May 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), 1 p. (CLEO: Science and Innovations, CLEO-SI 2015).
Realization of metal-insulator transition and oxidation in silver nanowire percolating networks by terahertz reflection spectroscopy
Tsai, Y. J., Chang, C. Y., Lai, Y. C., Yu, P. & Ahn, H., 8 Jan 2014, In: ACS Applied Materials and Interfaces. 6, 1, p. 630-635 6 p.
Spectral dependence of third-order nonlinear optical properties in InN
Ahn, H., Lee, M. T. & Chang, Y. M., 19 May 2014, In: Applied Physics Letters. 104, 20, 201904.
Thermally induced percolational transition and thermal stability of silver nanowire networks studied by THz spectroscopy
Chen, J. Z., Ahn, H., Yen, S. C. & Tsai, Y. J., 10 Dec 2014, In: ACS Applied Materials and Interfaces. 6, 23, p. 20994-20999 6 p.
Anisotropic structure induced electrical properties of a-plane InN
Chang, P. H., Chia, J. W., Gwo, S. & Ahn, H., 1 Jan 2013, 2013 Conference on Lasers and Electro-Optics, CLEO 2013: QELS_Fundamental Science, CLEO:QELS FS 2013. IEEE Computer Society, 6833857. (2013 Conference on Lasers and Electro-Optics, CLEO 2013).
Carrier dynamics in InN nanorod arrays
Su, S. H., Yu, C. C., Gwo, S. & Ahn, H., 18 Oct 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013. 6600514. (Pacific Rim Conference on Lasers and Electro-Optics, CLEO – Technical Digest).
Influence of structural anisotropy to anisotropic electron mobility in a-plane InN
Ahn, H., Chia, J. W., Lee, H. M. & Gwo, S., 11 Feb 2013, In: Applied Physics Letters. 102, 6, 061904.
Nonlinear absorption in InN under resonant- and non-resonant excitation
Ahn, H., Lee, M. T., Chang, Y. M., Peng, J. L. & Gwo, S., 12 Jun 2013, Gallium Nitride Materials and Devices VIII. 86250L. (Proceedings of SPIE – The International Society for Optical Engineering; vol. 8625).
Oxidation of Ag nanowires studied by terahertz spectroscopy
Tsai, Y. J., Chang, C. Y., Yu, P. & Ahn, H., 1 Jan 2013, 2013 Conference on Lasers and Electro-Optics, CLEO 2013. IEEE Computer Society, 6834081. (2013 Conference on Lasers and Electro-Optics, CLEO 2013).
Photoluminescence from InN nanorod arrays with a critical size
Chang, K. Y., Liu, Y. S., Gwo, S. & Ahn, H., 18 Oct 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013. 6600381. (Pacific Rim Conference on Lasers and Electro-Optics, CLEO – Technical Digest).
Photoluminescence from InN nanorod arrays with a critical size
Ahn, H., Liu, Y. S., Chang, K. Y. & Gwo, S., 1 Jun 2013, In: Applied Physics Express. 6, 6, 062103.
Carrier dynamics in InN nanorod arrays
Ahn, H., Yu, C. C., Yu, P., Tang, J., Hong, Y. L. & Gwo, S., 16 Jan 2012, In: Optics Express. 20, 2, p. 769-775 7 p.
Carrier dynamics of Mg-doped indium nitride
Ahn, H., Hong, C. C., Hong, Y. L. & Gwo, S., 2 May 2011, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XV. 79370Y. (Proceedings of SPIE – The International Society for Optical Engineering; vol. 7937).
Mg-induced terahertz transparency of indium nitride films
Ahn, H., Chia, J. W., Lee, H. M., Hong, Y. L. & Gwo, S., 5 Dec 2011, In: Applied Physics Letters. 99, 23, 232117.
Plasmonic green nanolaser based on a metal-oxide-semiconductor structure
Wu, C. Y., Kuo, C. T., Wang, C. Y., He, C. L., Lin, M. H., Ahn, H. & Gwo, S., 12 Oct 2011, In: Nano Letters. 11, 10, p. 4256-4260 5 p.
Terahertz emission from Mg-doped a-plane InN
Ahn, H., Yeh, Y. J. & Gwo, S., 13 May 2011, Quantum Sensing and Nanophotonic Devices VIII. 79450Z. (Proceedings of SPIE – The International Society for Optical Engineering; vol. 7945).
Background and photoexcited carrier dependence of terahertz radiation from Mg-doped nonpolar indium nitride films
Ahn, H., Yeh, Y. J., Hong, Y. L. & Gwo, S., 1 Dec 2010, In: Applied Physics Express. 3, 12, 122105.
Carrier dynamics of Mg-doped indium nitride
Ahn, H., Yu, K. J., Hong, Y. L. & Gwo, S., 9 Aug 2010, In: Applied Physics Letters. 97, 6, 062110.
Terahertz emission of magnesium doped indium nitride
Yeh, Y. J., Ahn, H., Hong, Y. L. & Gwo, S., 2010, Conference on Lasers and Electro-Optics, CLEO 2010. Optical Society of America (OSA), (Optics InfoBase Conference Papers).
Terahertz emission of magnesium doped indium nitride
Yeh, Y. J., Ahn, H., Hong, Y. L. & Gwo, S., 11 Oct 2010, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010. 5500646. (Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010).
THz emission from InN
Ahn, H., Ye, Y. J., Hong, Y. L. & Gwo, S., 7 Jul 2010, III-Nitride Materials for Sensing, Energy Conversion and Controlled Light-Matter Interactions. p. 141-150 10 p. (Materials Research Society Symposium Proceedings; vol. 1202).
Drastic power enhancement of THz emission from nonpolar InN
Ahn, H. Y., Yu, K. J., Pan, C. L. & Gwo, S., 31 May 2009, Conference on Lasers and Electro-Optics, CLEO 2009. Optical Society of America (OSA), (Optics InfoBase Conference Papers).
Erratum: Terahertz spectroscopic study of vertically-aligned InN nanorods (Applied Physics Letters (2007) 91 (163105))
Ahn, H. Y., Ku, Y. P., Wang, Y. C., Chuang, C. H., Gwo, S. & Pan, C. L., 18 May 2009, In: Applied Physics Letters. 94, 18, 189901.