Selected papers
Silicon photonic physical unclonable function based on waveguide array embedded with phase shifters
G. Z. Yiu, C. Y. Hsu, C. H. Sun, P. Y. Chen, and Y. C. Chang*
Optics Express 33(9), 19409–19417 (2025).
Unidirectional and highly dispersive grating emitters for silicon photonic beam steerers
F. L. Chen, G. Z. Yiu, and Y. C. Chang*
Optics Letters 49, 5383-5386 (2024)
Metasurfaces on silicon photonic waveguides for simultaneous emission phase and amplitude control
P. Y. Hsieh, S. L. Fang, Y. S. Lin, W. H. Huang, J. M. Shieh, P. Yu, and Y. C. Chang*
Optics Express 31, 12487-12496 (2023)
C. W. Chow*, Y. C. Chang*, S. I. Kuo, P. C. Kuo, J. W. Wang, Y. H. Jian, Z. Ahmad, P. H. Fu, J. W. Shi, D. W. Huang, T. Y. Hung, Y. Z. Lin, C. H. Yeh, and Y. Liu
Journal of Lightwave Technology 41, 1122-1128 (2023)
Integrated Metasurfaces on Silicon Photonics for Emission Shaping and Holographic Projection
P. Y. Hsieh, S. L. Fang, Y. S. Lin, W. H. Huang, J. M. Shieh, P. Yu, and Y. C. Chang*
Nanophotonics 11, 4687-4695 (2022)
Reconfigurable scan lens based on an actively controlled optical phased array
S. I. Kuo, J. W. Wang, Z. Ahmad, P. H. Fu, H. H. Lin, J. W. Shi, D. W. Huang, and Y. C. Chang*
Optics Letters 47, 3676-3679 (2022)
Free-Space Applications of Silicon Photonics: A Review
C. Y. Hsu, G. Z. Yiu, Y. C. Chang*
Micromachines 13, 990 (2022)
W. P. Liao, H. L. Liu, Y. F. Lin, S. S. Su, Y. T. Chen, G. B. Lin, T. C. Tseng, T. K. Lin, C. C. Chen, W. H. Huang, S. W. Chen, J. M. Shieh, P. Yu*, and Y. C. Chang*
Optics Express 30, 21184-21194 (2022)
2D beam steerer based on metalens on silicon photonics
Y. C. Chang*, M. C. Shin, C. T. Phare, S. A. Miller, E. Shim, and M. Lipson*
Optics Express 29, 854-864 (2021)
Journal papers
- G. Z. Yiu, C. Y. Hsu, C. H. Sun, P. Y. Chen, and Y. C. Chang, “Silicon photonic physical unclonable function based on waveguide array embedded with phase shifters,” Opt. Express 33(9), 19409–19417 (2025).
- Y. Shen, P. Y. Hsieh, S. K. Sridhar, S. Feldman, Y. C. Chang, T. A. Smith, and A. Dutt, “Strong nanophotonic quantum squeezing exceeding 3.5 dB in a foundry-compatible Kerr microresonator,” Optica 12, 302–308 (2025).
- F. L. Chen, G. Z. Yiu, and Y. C. Chang, “Unidirectional and highly dispersive grating emitters for silicon photonic beam steerers,” Optics Letters 49, 5383-5386 (2024).
- Y. K. Tsai, Z. X. Liao, Y. X. Lin, H. S. Chen, Jack J. S. Huang, P. H. Wang, C. C. Wei, Y. C. Chang, Y. Hung, and J. W. Shi, “Linearization of wavelength sweeping lasers for the construction of 4-D FMCW LiDAR images of slow-moving objects using baseband beat note signals,” Optics Express 32, 20401-20411 (2024).
- Y. X. Lin, Z. Ahmad, S. Y. Ou, W. C. Su, Y. C. Chang, Naseem, J. H. Chen, Y. J. Hung, Y. C. Chang, C. C. Wei, T. S. Horng, and J. W. Shi, “A 4-D FMCW LiDAR with Ultra-High Velocity Sensitivity ,” Journal of Lightwave Technology 41, 6664-6674 (2023)
- C. Z. Xie, C. H. Li, Y. C. Chang, and Y. F. Chen, “Optofluidic Accumulation of Silica Beads on Gel-Based Three-Dimensional SERS Substrate To Enhance Sensitivity Using Multiple Photonic Nanojets,” ACS Applied Materials & Interfaces 15, 31703-31710 (2023).
- P. Y. Hsieh, S. L. Fang, Y. S. Lin, W. H. Huang, J. M. Shieh, P. Yu, and Y. C. Chang*, “Metasurfaces on silicon photonic waveguides for simultaneous emission phase and amplitude control,” Optics Express 31, 12487-12496 (2023). *Top downloads in April 2023
- C. W. Chow*, Y. C. Chang*, S. I. Kuo, P. C. Kuo, J. W. Wang, Y. H. Jian, Z. Ahmad, P. H. Fu, J. W. Shi, D. W. Huang, T. Y. Hung, Y. Z. Lin, C. H. Yeh, and Y. Liu, “Actively Controllable Beam Steering Optical Wireless Communication (OWC) Using Integrated Optical Phased Array (OPA),” Journal of Lightwave Technology 41, 1122-1128 (2023). *Top-scored paper, *co-corresponding author
- P. Y. Hsieh, S. L. Fang, Y. S. Lin, W. H. Huang, J. M. Shieh, P. Yu, and Y. C. Chang*, “Integrated Metasurfaces on Silicon Photonics for Emission Shaping and Holographic Projection,” Nanophotonics 11, 4687-4695 (2022).
- Z. Ahmad, P. S. Wang, Naseem, Y.C. Huang, Y. C. Chang, Y. C. Chang, Y. S. Lee, and J. W. Shi, “Avalanche photodiodes with multiple multiplication layers for coherent detection,”Scientific Reports 12, 16541 (2022).
- S. I. Kuo, J. W. Wang, Z. Ahmad, P. H. Fu, H. H. Lin, J. W. Shi, D. W. Huang, and Y. C. Chang, “Reconfigurable scan lens based on an actively controlled optical phased array,” Opt. Lett. 47, 3676-3679 (2022). *Highlighted as an Editor’s Pick
- C. Y. Hsu, G. Z. Yiu, Y. C. Chang, “Free-Space Applications of Silicon Photonics: A Review,” Micromachines 13, 990 (2022). *Selected as issue cover
- W.P. Liao, H.L. Liu, Y. F. Lin, S. S. Su, Y. T. Chen, G. B. Lin, T. C. Tseng, T. K. Lin, C. C. Chen, W. H. Huang, S. W. Chen, J. M. Shieh, P. Yu*, and Y. C. Chang*, “I-line photolithographic metalenses enabled by distributed optical proximity correction with a deep-learning model,” Opt. Express 30, 21184-21194 (2022). * co-corresponding authors
- Z. Ahmad, Y. M. Liao, S. I. Kuo, Y. C. Chang, R. L. Chao, Naseem, Y. S. Lee, Y. J. Hung, H. M. Chen, J. Chen, J. I. Guo, J. W. Shi, “High-Power and High-Responsivity Avalanche Photodiodes for Self-Heterodyne FMCW Lidar System Applications,” IEEE Access 9, 85661-85671 (2021). *IEEE Access Editors’ Top Article Selections of 2021
- Y. C. Chang*, M. C. Shin, C. T. Phare, S. A. Miller, E. Shim, and M. Lipson*, “2D beam steerer based on metalens on silicon photonics,” Optics Express 29, 854-864 (2021). *Co-corresponding authors *Top 10 download paper in the past 6 months in Optics Express (January 2021).
- L. Y. Hsu, C. Y. Lai, Y. C. Chang, C. M. Wu, R. K. Lee, “Carrying an arbitrarily large amount of information using a single quantum particle,” Phys. Rev. A 102, 022620 (2020).
- S. A. Miller, Y. C. Chang*, C. T. Phare, M. C. Shin, M. Zadka, S. P. Roberts, B. Stern, X. Ji, A. Mohanty, O. A. J. Gordillo, U. D. Dave, M. Lipson, “Large-scale optical phased array using a low-power multi-pass silicon photonic platform,” Optica 7, 3 (2020). * Co-first author * One of the top 15 cited papers in Optica from 2020-2021 Sept.
- O. A. J. Gordillo, S. Chaitanya, Y. C. Chang, U. D. Dave, A. Mohanty, M. Lipson, “Plug-and-play fiber to waveguide connector,” Optics Express 27, 20305 (2019).
- M. Zadka, Y. C. Chang, A. Mohanty, C. Phare, S. P. Roberts, M. Lipson, “On-Chip Platform for Phased Array with Minimal Beam Divergence and Wide Field-of-View,” Optics Express 26, 2528 (2018).
- M. B. Lien, J. Y. Kim, M. G. Han, Y. C. Chang, Y. C. Chang, H. J. Ferguson, Y. Zhu, A. A. Herzing, J. C. Schotland, N. A. Kotov, and T. B. Norris, “Optical asymmetry and nonlinear light scattering from colloidal gold nanorods,” ACS Nano 11, 5925 (2017).
- Y. C. Chang, A. V. Kildishev, E. E. Narimanov, and T. B. Norris, “Metasurface perfect absorber based on guided resonance of a photonic hypercrystal,” Physical Review B 94, 155430 (2016).
- Y. C. Chang, C. H. Liu, C. H. Liu, S. Zhang, S. R. Marder, E. E. Narimanov, Z. Zhong, and T. B. Norris, “Realization of mid-infrared graphene hyperbolic metamaterials,” Nature Communications 7, 10568 (2016).
- C. H. Liu, Y. C. Chang, S. Lee, Y. Zhang, Y. Zhang, T. B. Norris, and Z. Zhong, “Ultrafast lateral photo-Dember effect in graphene induced by nonequilibrium hot carrier dynamics,” Nano Lett. 15, 4234 (2015).
- Y. C. Chang, C. H. Liu, C. H. Liu, Z. Zhong, and T. B. Norris, “Extracting the complex optical conductivity of mono- and bilayer graphene by ellipsometry,” Appl. Phys. Lett. 104, 261909 (2014).
- C. H. Liu, Y. C. Chang*, T. B. Norris, and Z. Zhong, “Graphene photodetectors with ultra-broadband and high responsivity at room temperature,” Nature Nanotechnology 9, 273 (2014).* Co-first author
- S. L Chen, Y. C. Chang, C. Zhang, J. G. Ok, T. Ling, M. T. Mihnev, T. B. Norris, and L. J. Guo, “Efficient real-time detection of terahertz pulse radiation based on photoacoustic conversion by carbon nanotube-nanocomposite,” Nature Photonics 8, 537 (2014).
- A. M. DaSilva, Y. C. Chang, T. B. Norris, and A. H. MacDonald, “Enhancement of photonic density of states in finite graphene multilayers,” Physical Review B 88, 195411 (2013).
- M. J. Paul, Y. C. Chang, Z. J. Thompson, A. Stickel, J. Wardini, H. Choi, E. D. Minot, B. Hou, J. A. Nees, T. B. Norris, and Yun-Shik Lee, “High-field terahertz response of graphene,” New Journal of Physics 15, 085019 (2013).
- J. Y. Chu, S. C. Lo, S.C. Chen, Y. C. Chang, and J. -K. Wang, “Direct near-field optical investigation of phase-change medium in blue-ray recordable and erasable disk,” Appl. Phys. Lett. 95, 103105 (2009).
- Y. C. Chang, J. Y. Chu, T. J. Wang, M. W. Lin, J. T. Yeh, and J. K. Wang, “Fourier analysis of surface plasmon waves launched from single nanohole and nanohole arrays: unraveling tip-induced effects,” Optics Express 16, 740 (2008).
- J. Y. Chu, T. J. Wang, Y. C. Chang, Y. J. Lu, M. W. Lin, J. T. Yeh, and J. K. Wang, “Multiwavelength heterodyne-detected scattering-type scanning near-field optical microscopy,” Ultramicroscopy 108, 314 (2008).
- Y. C. Chang, G. H. Mei, T. W. Chang, T. J. Wang, D. Z. Lin, and C K Lee, “Design and fabrication of a nanostructured surface combining antireflective and enhanced-hydrophobic effect,” Nanotechnology 18, 285303 (2007).
* Selected as the journal highlight on Nanotechweb.org. - J. Y. Chu, T. J. Wang, J. T. Yeh, M. W. Lin, Y. C. Chang, and J. K. Wang, “Near-field observation of plasmon excitation and propagation on ordered elliptical hole arrays,” Appl. Phys. A. 89, 387 (2007).
- C. K. Chang, D. Z. Lin, Y. C. Chang, M. W. Lin, J. T. Yeh, J. M. Liu, C. S. Yeh, and C. K. Lee, “Enhancing intensity of emitted light from a ring by incorporating a circular groove,” Optics Express 15, 15029 (2007).
- C. K. Chang, D. Z. Lin, C. S. Yeh, C. K. Lee, Y. C. Chang, M. W. Lin, J. T. Yeh, and J. M. Liu, “Experimental analysis of surface plasmon behavior in metallic circular slits,” Applied Physics Letters 90, 06113 (2007).
- C. K. Chang, D. Z. Lin, C. S. Yeh, C. K. Lee, Y. C. Chang, M. W. Lin, J. T. Yeh and J. M. Liu, “Similarities and differences for light-induced surface plasmons in one- and two-dimensional symmetrical metallic nanostructures,” Optics Letters 31, 2341 (2006).
- L. B. Yu, D. Z Lin, Y. C. Chen, Y. C. Chang, K. T. Huang, J. W. Liaw, J. T. Yeh, J. M. Liu, C. S. Yeh, and C. K. Lee, “Physical origin of directional beaming emitted from a subwavelength slit,” Phys. Rev. B 71, 041405 (2005).
- C. K. Lee, C. C. Wu, S. J. Chen, L. B. Yu, Y. C. Chang, Y. F. Wang, J. Y. Chen and Jeremy W. J. Wu, “Design and construction of linear laser encoders that possess high tolerance of mechanical runout,” Appl. Opt. 43, 5754 (2004).
Conference
- J. W. Wang, H. H. Lin, S. I. Kuo, Z. Ahmad, P. Y. Hsieh, C. Y. Hsu, J. W. Shi, and Y. C. Chang, “Chip-scale Confocal Laser-scanning Microscope Based on Optical Phased Array,” Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), Th1D-2 (2024).
- P. Y. Hsieh, and Y. C. Chang, “Silicon Photonic Beam Steerer Based on Metalens Focal Plane Array with Direction Fine-tuning,” Conference on Lasers and Electro-Optics (CLEO), SW4O.5 (2024).
- G.Z. Yiu, C. Y. Hsu, C. H. Sun, P. Y. Chen, and Y. C. Chang, “Silicon Photonic Physical Unclonable Functions Based on an Actively-tuned Waveguide Array,” Conference on Lasers and Electro-Optics (CLEO), STh1K.5 (2024).
- F. L. Chen, G. Z. Yiu, and Y. C. Chang, “Unidirectional and Highly Dispersive Grating Emitters for Silicon Photonic Beam Steerers,” Conference on Lasers and Electro-Optics (CLEO), SW4O.3 (2024).
- J. Y. Lin, C. N. Kao, Y, Zhao, P. Y. Hsieh, and Y. C. Chang, “Experimental demonstration of 2D free-space Gaussian beam emitters on silicon photonic platform,” OPTIC, 2023-FRI-S0102-O005 (2023).
- J. W. Wang, H. H. Lin, S. I. Kuo, Z. Ahmad, P. Y. Hsieh, C. Y. Hsu, J. W. Shi, and Y. C. Chang, “Chip-scale Confocal Laser-scanning Microscope Based on Optical Phased Array,” OPTIC, 2023-FRI-S0102-O007 (2023).
- F. L. Chen, G. Z. Yiu, and Y. C. Chang, “Unidirectional Grating Emitters on Silicon Photonic Platform,” OPTIC, 2023-SAT-S0104-O002 (2023).
- P. Y. Hsieh, S. L. Fang, Y. S. Lin, W. H. Huang, J. M. Shieh, P. Yu, Y. C. Chang, “Silicon Photonic On-chip Metasurfaces with Simultaneous Emission Amplitude and Phase Control,” OPTIC, 2022-FRI-S0102-O002, (2022). * Received student paper award.
- J. Y. Lin, Y. Zhao, P. Y. Hsieh, Y. C. Chang, “Millimeter-scale 2D free-space beam emitters on silicon photonics”, OPTIC, 2022-SAT-P0101-P031, (2022).
- Y. S. Lin, P. Y. Hsieh, S. L. Fang, and Y. C. Chang, “Metasurfaces on Silicon Photonics for Simultaneous Emission Amplitude and Phase Control,” CLEO: Fundamental Science, FF2D.8, 2022.
- P. Y. Hsieh, Y. S. Lin, S. L. Fang, and Y. C. Chang, “Shaping Free-Space Emission With Monolithically Integrated Metalenses on Silicon Photonic Waveguides,” CLEO: Science and Innovations, SM4P.7, 2022.
- P. C. Kuo, S. I. Kuo, J. W. Wang, Y. H. Jian, Z. Ahmad, P. H. Fu, Y. C. Chang*, J. W. Shi, D. W. Huang, and C. W. Chow*, “Actively Steerable Integrated Optical Phased Array (OPA) for Optical Wireless Communication (OWC),” OFC, M1C.7 (2022). * Co-corresponding authors. * Top scored paper
- G. B. Lin, T. C. Tseng, Y. H. Wang, J. Y. Wu, P. Yu, S. H. Yang and Y. C. Chang, “Terahertz metalenses fabricated with photolithography,” OPTIC, 2021-SAT-S0106-O005, 2021.
- S. I. Kuo, J. W. Wang, Z. Ahmad, J. W. Shi, Y. C. Chang, “Tunable scan lens based on optical phased array,” OPTIC, 0187, 2021. * Received student paper award.
- P. Y. Hsieh, Y. Zhao, C. Y. Hsu, M. C. Shin, C. T. Phare, S. A. Miller, E. Shim, M. Lipson, and Y. C. Chang, “Metasurface on silicon photonics for beam steering and focusing,” OECC, S4D.2, 2021.
- P. Y. Hsieh, Y. Zhao, C. Y. Hsu, M. C. Shin, C. T. Phare, S. A. Miller, E. Shim, M. Lipson, and Y. C. Chang, “Metasurface on silicon photonics for free-space applications,” ISOM, We-C-02, 2021.
- Z. Ahmad, Y. M. Liao, S. I. Kuo, Y. C. Chang, R. L. Chao, Naseem, Y. S. Lee, J. W. Shi, “Dual M-Layers Avalanche Photodiodes with Extremely Wide Dynamic Ranges and Ultra-High Bandwidth-Responsivity Product Performances in FMCW Lidar Systems,” OFC, F2C-7, 2021.
- P. C. Kuo, Y. Tong, C. W. Chow, J. F. Tsai, Y. Liu, Y. C. Chang, C.H. Yeh, H. K. Tsang, “4.36 Tbit/s Silicon Chip-to-Chip Transmission via Few-Mode Fiber (FMF) using 2D Sub-wavelength Grating Couplers,” OFC, M3D.6, 2021.
- P. Y. Hsieh and Y. C. Chang, “Monolithically integrated metalens on silicon photonic waveguides,” OPTIC, 2020-SAT-S0106-O005, 2020.
- Y. C. Chang, M. C. Shin, C. T. Phare, S. A. Miller, E. Shim and Michal Lipson, “Metalens-enabled low-power solid-state 2D beam steering,” CLEO: Science and Innovations, SF3N.5, 2019. *Chair’s pick
- Y. C. Chang, S. A. Miller, C. T. Phare, M. C. Shin, M. Zadka, S. P. Roberts, B. Stern, X. Ji, A. Mohanty, O. A. J. Gordillo, M. Lipson, “Scalable low-power silicon photonic platform for all-solid-state beam steering, “ SPIE Defense + Commercial Sensing, 10982-45, 2019. *Invited paper
- S. A. Miller, C. T. Phare, Y. C. Chang, X. Ji, O. Jimenez, A. Mohanty, S. Roberts, M. C. Shin, B. Stern, M. Lipson, “512-Element Actively Steered Silicon Phased Array for Low-Power LIDAR,” CLEO: Science and Innovations, JTh5C. 2, 2018. *Postdeadline presentation
- O. A. J. Gordillo, M. A. Tadayon, Y. C. Chang, M. Lipson, “3D photonic structure for plug-and-play fiber to waveguide coupling,” CLEO: Science and Innovations, STh4B.7, 2018.
- T. B. Norris, B. Girodias, M. B. Lien, J. Y. Kim, Z. Xu, H. George, Y. C. Chang, M. G. Han, Y. Zhu, J. C. Schotland, N. A. Kotov, M. Kira, “Nonlinear and Quantum-Light Scattering from Gold Nanorods,” CLEO: QELS_Fundamental Science, FTu4E.2, 2018.
- Y. C. Chang, S. Roberts, B. Stern, I. Datta, M. Lipson, “Resonance–Free Light Recycling in Waveguides,” CLEO: Science and Innovations, SF1J.5 2017.
- M. Zadka, Y. C. Chang, A. Mohanty, C. Phare, S. P. Roberts, M. Lipson, “Millimeter Long Grating Coupler with Uniform Spatial Output,” CLEO: Science and Innovations, STh1M.6, 2017.
- Y. C. Chang, A. V. Kildishev, E. E. Narimanov, and T. B. Norris, “Metasurface Perfect Absorber Based on Guided Resonance of Hypercrystal,” CLEO: QELS_Fundamental Science, JW2A.19, 2016.
- M. B. Lien, J. Y. Kim, M. G. Han, H. Ferguson, Y. C. Chang, N. Kotov, and T. B. Norris, “A Fresh Look on the Origin of Nonlinear Light Scattering and Photoluminescence from Gold Nanorods,” CLEO: Applications and Technology, JW2A.110, 2016.
- C. H. Liu, Y. C. Chang, F. Cai, M. B. Lien, D. Zhang, W. Lu, T. B. Norris, Z. Zhong, “High responsivity graphene-SOI heterojunction photodetectors and imaging array,” CLEO: Science and Innovations, STu4F.2 2016.
- T. B. Norris, Y. C. Chang, C. H .Liu, C. H. Liu, S. Zhang, S. R. Marder, and Z. Zhong, “Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers,” SPIE Optics+Photonics 2015.
- L. J. Prokopeva, Y. C. Chang, N. K. Emani, T. B. Norris, and A. V. Kildishev, “In-the-cloud optimization tool for retrieving experimentally fitted conductivity,” SPIE Optics+Photonics 2015.
- Y. C. Chang, C. H. Liu, C. H. Liu, Z. Zhong, and T. B. Norris, “Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers,” CLEO: QELS_Fundamental Science, FM2C.1, 2015.
- C. H. Liu, Y. C. Chang, S. Lee, Y. Zhang, Y. Zhang, T. B. Norris, and Z. Zhong, “Lateral photo-Dember effect in graphene,” CLEO: QELS_Fundamental Science, FTu4B.3, 2015.
- Y. C. Chang, C. H. Liu, Z. Zhong, and T. B. Norris, “Extracting the complex optical conductivity of true two-dimensional layers by ellipsometry,” CLEO: Science and Innovations, SM3H.2, 2014.
- C. H. Liu , Y. C. Chang , N. Dissanayake , Y. Zhang , and Z. Zhong, “Hot Carrier Transport at the Graphene-Metal Interface Induced by Strong Lateral Photo-Dember Effect,” APS March Meeting, 2013.
- C. H. Liu, Y. C. Chang, T. B. Norris, and Z. Zhong, “Room Temperature Ultra-Broadband and High Responsivity Photodetectors Based on Graphene Double-Layer Heterostructures,” MRS fall meeting, 2013.
- J. Y. Chu, T. J. Wang, J. T. Yeh, M. W. Lin, Y. C. Chang, and J.K. Wang, “Near field imaging of subwavelength plasmonic structures,” Proc. of SPIE 6642, 664209 (2007).
Book chapters
- Y. C. Chang and Michal Lipson, “Nanophotonic devices for power-efficient communications,” Optical Fiber Telecommunications VII, p.103-141, Academic Press, 2019.
Patents
- Fiber-to-waveguide coupling with high alignment tolerance, US Patent US10746935B2 (August, 2020).
- Photodetectors based on double layer heterostructures, US Patent US09680038B2 (March, 2014).
- Transparent speaker and display module integrating the same, US Patent US08615099B2 (July, 2010).
- Transparent speaker and display with the same, ROC Patent TWI430672B (January, 2010).
- Lens unit and projection screen made of the same, US Patent US8049961B2 (September, 2009).
- Lens unit and projection screen incorporating the lens, ROC Patent TWI396037B (June, 2009).
- Photoelectric converting device and method for fabricating the same, ROC Patent TWI402993B (March, 2009).
- Optical Head, US Patent US7957250B2 (December, 2007).
- Optical Head, ROC Patent TWI370911B (June, 2007).
- Front-Projection Screen with Plasmonic Particles, ROC Patent TWI350426B (June, 2007).
- Optical head capable of providing a subwavelength beams, US Patent US7792006B2 (May, 2007).
- A optical head which can provide a subwavelength-scale light beam, ROC Patent TWI266305B (June, 2003).