RECENT PUBLICATIONS
 
 
 

74. X. Yang, L.-J. Su, F. G. La Rosa, E. E. Smith, I. R. Schlaepfer, S. K. Cho, B. Kavanagh, W. Park and T. W. Flaig, “The Antineoplastic Activity of Photothermal Ablative Therapy with Targeted Gold Nanorods in an Orthotopic Urinary Bladder Cancer Model”, Bladder Cancer 3, 201-210 (2017).

73. G. Kang, M. R. Krogstad, M. Grayson, D.-G. Kim, H. Lee, J. T. Gopinath, and W. Park, “High qualitychalcogenide-silica hybrid wedge resonators’, Opt. Express 25, 15581-15589 (2017).

72. D. Lu, A. Das and W. Park, “Direct modeling of thermal emission from metamaterial surface”, Opt. Express 25, 12999-13009 (2017).

71. L. He, M. Brasino, C. Mao, S. K. Cho, W. Park, A. P. Goodwin and J. N. Cha, “DNA-Assembled Core-Satellite Upconverting-Metal Organic Framework Nanoparticle Superstructures for Efficient Photodynamic Therapy”, Small 1700504 (2017)

70. M. R. Krogstad, S. Ahn, W. Park and J. T. Gopinath, “Optical properties of single-mode Ge-Sb-Se waveguides at telecom wavelengths”, IEEE Photon. Technol. Lett. 28, 2720-2723 (2016).

69. X. Ma, J. Huh, W. Park, L. Lee, Y. J. Kwon and S. J. Sim, “Gold nanocrystals with DNA-directed morphologies”, Nat. Comm. 7, 12873 (2016).

68. A. M. Nardes, S. Ahn, D. Rourke, A. J. Ferguson, J. van de Lagemaat, W. Park, N. Kopidakis, “Integrating nanostructured electrodes in organic photovoltaic devices for enhancing near-infrared photoresponse”, Org. Electron. 39, 59-63 (2016).

67. L. He, J. Dragavon, S. Cho, C. Mao, A. Yildirim, K. Ma, R. Chattaraj, A. P. Goodwin, W. Park, J. N. Cha, “Self-Assembled Gold Nanostar-NaYF4:Yb/Er Clusters for Multimodal Imaging, Photothermal and Photodynamic Therapy”, J. Mater. Chem. B 4, 4455-4461 (2016).

66. D. Lu, C. Mao, S. K. Cho, S. Ahn and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles”, Sci. Rep. 6, 18894 (2016).

65. S. Ahn, D. Rourke and W. Park, “Plasmonic nanostructures for organic photovoltaic devices”, J.Opt. 18, 033001 (2016).

64. K. Bae, G. Kang, S. K. Cho, W. Park, K. Kim and W. J. Padilla, “Flexible thin film black gold membranes with ultrabroadband plasmonic nanofocusing enabling efficient solar vapour generation”, Nat. Comm. 6, 10103 (2015).

63. L. He, C. Mao, S. Cho, K. Ma, W. Xi, C. N. Bowman, W. Park and J. N. Cha, “Experimental and Theoretical Photoluminescence Studies in Nucleic Acid Assembled Gold-Upconverting Nanoparticle Clusters”, Nanoscale 7, 17254-17260 (2015).

62. W. Park, D. Lu and S. Ahn, “Plasmon enhancement of luminescence upconversion”, Chem. Soc. Rev. 44, 2940-2962 (2015).

61. M. R. Krogstad, S. Ahn, W. Park and J. T. Gopinath, “Nonlinear characterization of Ge28Sb12Se60 bulk and waveguide devices”, Opt. Express 23, 7870-7878 (2015).

60. D. Rourke, S. Ahn, A. M. Nardes, J. van de Lagemaat, N. Kopidakis and W. Park, “Combined electrical and optical modeling of organic photovoltaic devices”, J. Appl. Phys. 116, 114510 (2014).

59. J. Zhou, W. Han, Y. Meng, H. Song, D. Mu and W. Park, “Optical properties of direct and indirect coupling of cascaded cavities in resonator-waveguide systems”, J. Lightwave Technol. 32, 3502-3508 (2014).

58. D. Lu, S. K. Cho, S. Ahn, L. Brun, C. J. Summers and W. Park, “Plasmon enhancement mechanism of upconversion processes in NaYF4:Yb3+,Er3+ nanoparticles: Maxwell versus Förster”, ACS Nano 8, 7780-7792 (2014) .

57. K. Choi, Y. Cui, V. A. Tamma, W. Park and J.-B. Park, “Air-Suspended Fast Transient Tunable Silicon Photonic Crystal Waveguide”, IEEE Photon. Technol. Lett. 26, 603-605 (2014)

56. J. Zhou, Y. Meng, H. Song, W. Han, D. Mu, X. Di, T. Liu and W. Park, “Transfer matrix method for direct and indirect coupling of cascaded cavities in resonator-waveguide systems”, Opt. Commun. 88, 329 (2014)

55. W. Park, “Optical Interactions in Plasmonic Nanostructures”, Nano Convergence 1, 2 (2014)

54. Z. Li, W. Park, G. Zorzetto, J. Lemaire, and C. J. Summers, “Synthesis Protocols for Delta-doped NaYF4:Yb,Er”, Chem. Mater. 26, 1770-1778 (2014)

53. R. McCaffrey, H. Long, W. Park, and W. Zhang, “Template Synthesis of Gold Nanoparticles with an Organic Molecular Cage”, J. Am. Chem. Soc. 136, 1782-1785 (2014)

52. S. K. Cho, K. Emoto, L.-J. Su, X. Yang, T. W. Flaig and W. Park, “Functionalized gold nanorods for thermal ablation treatment of bladder cancer”, J. Biomed. Nanotechnol. 10, 1267-1276 (2014)

51. N. Azarova, A. J. Ferguson, J. van de Lagemaat, E. Rengnath, W. Park, J. C. Johnson, “Strong coupling between a molecular charge-transfer exciton and surface plasmons in a nanostructured metal grating”, J. Phys. Chem. Lett. 4, 2658-2663 (2013).

50. D. Lu, E. Rengnath, Y. Cui, Z. Wang, Y. Ding, and W. Park, "Interaction of two plasmon modes in the organic photovoltaic devices with patterned back-electrode”, Appl. Phys. Lett. 102, 241114 (2013).

49.W. Park, K. Emoto, Y. Jin, A. Shimizu, V. A. Tamma, and W. Zhang, “Cage Molecule Mediated Self-Assembly of Gold Nanoparticles for Optical Metamaterials”, Optical Materials Express 3, 205-215 (2013).

48. V. A. Tamma, Y. Cui and W. Park, “Scattering reduction at optical frequencies using plasmonic nanostructures”, Optics Express 21, 1041-1056 (2013).

47. V. A. Tamma, Y. Cui, J. Zhou and W. Park, “Nanorod orientation dependence of tunable Fano resonance in plasmonic nanorod heptamers”, Nanoscale 5, 1592-1602 (2013).

46. E. Dudley and W. Park, "Ultra-Compact High-Speed Electro-Optic Switch Utilizing Hybrid Metal-Silicon Waveguides”, J. Lightwave Technol. 30, 3401-3406 (2012).

45. X. Yu, C. J. Summers, and W. Park, “Controlling Energy Transfer Processes and Engineering Luminescence Efficiencies with Low Dimensional Doping”, J. Appl. Phys. 111, 073524 (2012).

44. Y. Cui, J. Zhou, V. A. Tamma, and W. Park, “Mechanical Tuning and Symmetry Lowering of Fano Resonance in Plasmonic Nanostructure”, ACS Nano 6, 2385–2393 (2012)

43. A. Agrawal, W. Park and R. Piestun, “Negative Permeability with Arrays of Aperiodic Silver Nanoclusters”, Appl. Phys. Lett. 101, 083109 (2012).

42. J. Blair, D. Brown, V. A. Tamma, W. Park, and C. J. Summers, “Challenges in the fabrication of an optical frequency ground plane cloak consisting of silicon nanorod arrays”, J. Vac. Sci. Technol. B. 28, 1222-1230 (2010).

41. V. A. Tamma, J. Blair, C. J. Summers and W. Park, “Dispersion characteristics of silicon nanorod based carpet cloaks”, Optics Express 18, 25746-25756 (2010).

40. Y. Cui, V. A. Tamma, J.-B. Lee and W. Park, “Mechanically Tunable Negative Index Lens Based on Silicon Nanorod Array”, IEEE Photonics Journal 2, 1003-1012 (2010)

39. R. Pratibha, K. Park, W. Park and I. I. Smalyukh, “Colloidal gold nanoparticle dispersions in smectic liquid crystals and thin nanoparticle-decorated smectic films”, J. Appl. Phys. 107, 063511 (2010)

38. W. Park, “Controlling the flow of light with silicon nanostructures”, Laser Phys. Lett. 7, 93-103 (2010)

37. V. A. Tamma, J.-H. Lee, Q. Wu and W. Park, “Visible Frequency Magnetic Activity in Silver Nanocluster Metamaterial”, Appl. Opt. 49, A11?A17 (2010)

36. R. Pratibha, K. Park, I. I. Smalyukh, and W. Park, “Tunable optical metamaterial based on liquid crystal-gold nanosphere composite”, Optics Express 17, 19459-19469 (2009)

35. J. H. Lee, J. Blair, V. A. Tamma, Q. Wu, S. J. Rhee, C. J. Summers and W. Park, “Direct visualization of optical frequency invisibility cloak based on silicon nanorod array”, Optics Express 17, 12922-12928 (2009)

34. W. Park and J.-B. Lee, “Mechanically Tunable Photonic Crystals”, Optics and Photonics News, Jan. 2009.

33. J. H. Lee, Q. Wu, and W. Park, “Metal nanocluster metamaterial fabricated by the colloidal self-assembly”, Opt. Lett. 34, 443-445 (2009)

32. M. A. Weimer, A. W. Weimer, and W. Park, “Theory of conduction in ultrafast metal-insulator varistors”, J. Appl. Phys. 104, 114516 (2008)

31. W. Park and J. Kim, Guest Editors, MRS Bulletin - Negative Index Materials, October, 2008.

30. Q. Wu, J. M. Gibbons and W. Park, “Graded negative index lens by photonic crystals”, Opt. Express 16, 16941 (2008)

29. J. H. Lee and W. Park, “Three Dimensional Metallic Photonic Crystal Based on Self-Assembled Gold Nanoshells”, Func. Mater. Lett. 1, 65 (2008)

28. Q. Wu and W. Park, “Negative index materials based on metal nanoclusters”, Appl. Phys. Lett. 92, 153114 (2008)

27. W. Park and Q. Wu, “Negative Effective Permeability in Metal Cluster Photonic Crystal”, Solid State Commun. 146, 221 (2008)

26. Y. Cui, Q. Wu, E. Schonbrun, M. Tinker, J.-B. Lee, and W. Park, "Silicon-Based 2D Slab Nano Photonic Crystal TM Polarizer in Telecommunication Wavelength", IEEE Photon. Technol. Lett. 20, 641 (2008)

25. W. Park and Q. Wu, “Optical Frequency Magnetic Activity in Metal Nanocluster Photonic Crystal”, J. Comput. Theor. Nanosci, 5, 476 (2008)

24. Q. Wu, E. Schonbrun, and W. Park, “Image Inversion and Magnification by Negative Index Prisms”, J. Opt. Soc. Am. A 24, A45-A51 (2007)

23. E. Schonbrun, Q. Wu, W. Park, M. Abashin, Y. Fainman, J. Blair, and C. J. Summers, “Total Internal Reflection Photonic Crystal Prism”, Opt. Express 15, 8065 (2007).

22. H.-J. Kim, S. Kim, H. Jeon, J. Ma, S. H. Choi, S. Lee, C. Ko, and W. Park, “Fluorescence amplification using colloidal photonic crystal platform in sensing dye-labeled deoxyribonucleic acids”, Sensors and Actuators B 124, 147-152 (2007)

21. E. Schonbrun, Q. Wu, W. Park, M. Abashin, Y. Fainman, T. Yamashita and C. J. Summers, “Wavefront Evolution of Negatively Refracted Waves in Photonic Crystals”, Appl. Phys. Lett. 90, 041113 (2007).

20. J. H. Lee, Q. Wu and W. Park, “Fabrication and Optical Characterizations of Gold Nanoshell Opal”, J. Mater. Res. 21, 3215 (2006).

19. E. Schonbrun, Q. Wu, W. Park, T. Yamashita, and C. J. Summers, “Polarization Beam Splitter Based on a Photonic Crystal Heterostructure”, Opt. Lett. 31, 3104 (2006).

18. Z. A. Sechrist, B. T. Schwartz, J. H. Lee, J. A. McCormick, R. Piestun, W. Park, and S. M. George, “Modification of Opal Photonic Crystals Using Al2O3 Atomic Layer Deposition”, Chem. Mater. 18, 3562 (2006)

17. E. Schonbrun, T. Yamashita, W. Park and C. J. Summers, “Negative Index Imaging by an Index-Matched Photonic Crystal Slab”, Phys. Rev. B 73, 195117 (2006)

16. W. Park and J. Owens, “Future Directions in the Treatment of Oral Cancer”, Otolar. Clinics North Am. 39, 381 (2006)

15. Q. Wu, E. Schonbrun and W. Park, “Tunable Superlensing by Mechanically Controlled Photonic Crystal”, J. Opt. Soc. Am. B 23, 479 (2006)

14. M. Tinker, E. Schonbrun, J-B. Lee, and W. Park, “Process integration and development of inverted photonic crystal arrays”, J. Vac. Sci. Technol. B 24, 705 (2006)

13. E. Schonbrun, M. Tinker, W. Park and J.-B. Lee, “Negative Refraction in a Si-Polymer Photonic Crystal Membrane”, IEEE Photon. Technol. Lett. 17, 1196 (2005)

12. Q. Wu and W. Park, “Broadband Sub-Wavelength Imaging by Mechanically Tunable Photonic Crystal”, J. Comput. Theor. Nanosci. 2, 202 (2005)

11. W. Park and J.-B. Lee, “Mechanically Tunable Photonic Crystal Structure”, Appl. Phys. Lett. 85, 4845 (2004)

10. W. Park and C. J. Summers, “Optical Properties of Superlattice Photonic Crystal Waveguides”, Appl. Phys. Lett. 84, 2013 (2004)

9. C. J. Summers, C. W. Neff and W. Park, “Active Photonic Crystal Nano-Architectures”, J. Nonlinear Opt. Phys. Mater. 12, 587 (2003)

8. J. S. King, C. W. Neff, C. J. Summers, W. Park, S. Blomquist, E. Forsythe and D. Morton, “High-filling-fraction inverted ZnS opals fabricated by atomic layer deposition”, Appl. Phys. Lett. 83, 2566 (2003)

7. J. Ihanus, M. Ritala, M. Leskela, E. Soininen, W. Park, A. E. Kaloyeros, W. Harris, K. W. Barth, A. W. Topol, T. Sajavaara, and J. Keinonen, “Blue and green emitting SrS:Cu electroluminescent devices deposited by the atomic layer deposition technique”, J. Appl. Phys. 94, 3862 (2003)

6. W. Park and C. J. Summers, "Extraordinary Refraction and Dispersion in 2D Photonic Crystal Slabs", Opt. Lett. 27, 1387 (2002)

5. W. Park, C. J. Summers, Y. R. Do and H. G. Yang, "Photoluminescence Properties of the Red Emitting BaGdB9O16:Eu Phosphor", J. Mater. Sci. 37, 4041 (2002)

4. W. Park, J. S. King, C. W. Neff, C. Liddell and C. J. Summers, "ZnS-Based Photonic Crystals", Phys. Stat. Sol. (b) 229, 949 (2002)

3. P. D. Rack, J. J. Peterson, M. D. Potter and W. Park, "Eu+3 and Cr+3 Doping for Red Cathodoluminescence in ZnGa2O4", J. Mater. Res. 16, 1429 (2001)

2. Y. R. Do, D. H. Park, H. G. Yang, W. Park, B. K. Wagner, K. Yasuda and C. J. Summers, "Uniform Nano-Scale SiO2 Encapsulation of ZnS Phosphors for Improved Aging Properties under Low Voltage Electron Beam Excitation", J. Electrochem. Soc. 148, G548 (2001)

1. S. W. Lu, T. Copeland, B. I. Lee, W. Tong, B. K. Wagner, W. Park and F. Zhang, "Synthesis and Luminescence Properties of Mn2+ doped Zn2SiO4 phosphors by a Hydrothermal Method", J. Phys. Chem. Solids 62, 777 (2001)