Journal Publications

  1. Sang, C.-Y. Wang, S. S. Raja, C.-W. Chang, J.-T. Huang, C.-A. Chen, X.-Q. Zhang, H. Ahn, C.-K. Shih, Y.-H. Lee, J. Shi, and S. Gwo*, “Two-Dimensional Material Non-Hermitian Photonics,” Accepted in Nano Lett.
  2. -W. Huang, Y.-H. Hong, Y.-J. Du, T.-J. Kuo, C.-C. Huang, T. S. Kao,* and H. Ahn,* “THz Analysis of CH3NH3PbI3 Perovskites Associated with Graphene and Silver Nanowire Electrodes,” ACS Appl. Mater. Interfaces. 13, 9224–9231 (2021).
  3. -Y. Wang, Y. Sang, X. Yang, S. Raja, C.-W. Cheng, H. Li, Y. Ding, S. Sun, H. Ahn, C.-K. Shih, S. Gwo,* J. Shi,* “Engineering Giant Rabi Splitting via Strong Coupling between Localized and Propagating Plasmon Modes on Metal Surface Lattices: Observation of √N scaling Rule,” Nano Lett. 21, 605–611 (2021).
  4. -Y. Liang, F. Liu, J. Popović, A. Djurišić, and H. Ahn*, “High optical nonlinearity in low-dimensional halide perovskite polycrystalline films,” Optics Express, 28, 24919−24927 (2020).
  5. -S. Tsai, Y.-H. Huang, P.-C. Tsai, Y.-J. Chen, H. Ahn, S.-Y. Lin, Y.-J. Lu, “Ultrafast Exciton Dynamics in Scalable Monolayer MoS2 Synthesized by Metal Sulfurization,” ACS Omega, 5, 10725−10730 (2020).
  6. -P. Guo, W.-Y. Liang, C.-W. Cheng, P.-J. Cheng, W.-L. Wu, Y.-T. Wang, Q. Sun, S. Zu, H. Misawa, S.-W. Chang, H. Ahn,* M.-T. Lin,* S. Gwo,* “Chiral second-harmonic generation from monolayer WS2/aluminum plasmonic vortex metalens,” Nano Lett. 20(4), 2857-2864 (2020).
  7. -W. Lin, F. Liu, T.-Y, Chen, K.-H. Lee, C.-K, Chang, Y. He, T. L. Leung, A. M. C. Ng, C.-H. Hsu, J. Popović, A. Djurišić,* and H. Ahn*, “Structure-Dependent Photoluminescence in Low-Dimensional Ethylammonium, Propylammonium, and Butylammonium Lead Iodide Perovskites,” ACS Appl. Mater. Interfaces 12, 5008−5016 (2020).
  8. Ahn* and G.-H. Lee, “Efficient defect healing of transition metal dichalcogenides by phthalocyanines”, Proc. of SPIE Vol. 10920 109200R-1 (2019).
  9. Ahn,* Y.-C. Huang, C.-W. Lin, and Y.-H. Lee, “Efficient defect healing of transition metal dichalcogenides by metallophthalocyanine,” ACS Appl. Mater. Interfaces 10, 29145 (2018).
  10. Shi, W.-Y. Liang, H. Ahn,* S. S. Raja, Y. Sang, X.-Q. Zhang, C.-A. Chen, Y. Wang, X. Yang, Y.-H. Lee,* and S. Gwo*, “Plasmonic enhancement and manipulation of optical nonlinearity in monolayer tungsten disulfide,” Laser & Photonics Rev. 2018, 1800188 (2018).
  11. Y. Sang, X. Wu,S. Raja, C.-Y. Wang, H. Li, Y. Ding, D. Liu, J. Zhou, H. Ahn, S. Gwo, and J. Shi, “Broadband Multifunctional Plasmonic Logic Gates,” Adv. Optical. Mater. 2018, 1701368 (2018).
  12. Ahn,* H. Huang, M.-S. Li, and P. Chen, “Phonon mode splitting and the role of mesoporous TiO2 in the tetragonal CH3NH3PbI3 perovskites studied by THz spectroscopy,” Jap. J. of Appl. Phys. 56, 110307 (2017).
  13. Ahn,* N.-C. Kao, W.-R. Liu, and W.-F. Hsieh, “THz study on the role of ZnO crystallinity in ZnO/AgNW/ZnO composite electrodes,” IEEE Journal of selected topics in quantum electronics (JSTQE) 23, 1-6 (2017).
  14. Ahn* and T.-C. Chu, “Annealing-induced phase transition in zinc phthalocyanine thin films,” Opt. Mater. Exp. 6, 3586 (2016).
  15. Gwo, C.-Y. Wang, H.-Y. Chen, M.-H. Lin, L. Sun, X. Li, W.-L. Chen, Y.-M. Chang, H. Ahn, “Plasmonic Metasurfaces for Nonlinear Optics and Quantitative SERS,” ACS Photonics 3, 1371 (2016).
  16. Ahn* and S.-H. Su, “Observation of coherent acoustic phonon in titanyl phthalocyanene thin solid film,” Appl. Phys. Exp. 8, 082401 (2015).
  17. -Y. Wang, H.-Y. Chen, L. Sun, W.-L. Chen, Y.-M. Chang, H. Ahn, X. Li, and S. Gwo, “Giant colloidal silver crystals for low-loss linear and nonlinear plasmonics,” Nature Communications 6, 7734 (2015).
  18. Ahn,* W.-H. Liou, H.-M. P. Chen, and C.-H. Hsu, “Anisotropic exciton relaxation in nanostructured metal (Zn and F16Zn)-phthalocyanine,” Opt. Exp. 23, 3230 (2015).
  19. -Z. Chen, H. Ahn,* S.-C. Yen, and Y.-J. Tsai, “Thermally Induced Percolational Transition and Thermal Stability of Silver Nanowire Networks Studied by THz Spectroscopy,” ACS Appl. Mater. Interfaces, 6, 20994 (2014).
  20. Ahn,* M.-T. Lee, and Y.-M. Chang, “Spectral dependence of third-order nonlinear optical properties in InN,” Appl. Phys. Lett. 104, 201904, (2014).
  21. -J. Tsai, C.-Y. Chang, Y.-C. Lai, P.-C. Yu, and H. Ahn,* “Realization of Metal−Insulator Transition and Oxidation in Silver Nanowire Percolating Networks by Terahertz Reflection Spectroscopy,” ACS Appl. Mater. Interfaces 6, 630 (2014).
  22. Ahn,* Y.-S. Liu, K.-Y. Chang, and S. Gwo, “Photoluminescence from InN Nanorod Arrays with a Critical Size,” Appl. Phys. Express 6, 062103 (2013).
  23. Ahn,* J.-W. Chia, H.-M. Lee, and S. Gwo, “Influence of structural anisotropy to anisotropic electron mobility in a-plane InN,” Appl. Phys. Lett. 102, 061904 (2013).
  24. Ahn,* M-T. Lee, Y.-M. Chang, J.-L. Peng, and S. Gwo, “Nonlinear absorption in InN under resonant- and non-resonant excitation,” Proc. of SPIE, Gallium Nitride Materials and Devices VIII, 8625 (2013).