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Willie John Padilla

Willie John Padilla

Professor in the Department of Electrical and Computer Engineering

Appointments and Affiliations

  • Professor in the Department of Electrical and Computer Engineering

Contact Information

Education

  • Ph.D. University of California at San Diego, 2004

Research Interests

Theoretical and experimental investigation of electromagnetic metamaterials and metasurfaces, and their application to imaging and sensing at microwave, terahertz, and infrared frequencies

Awards, Honors, and Distinctions

  • Fellow. Optical Society of America. 2013
  • Presidential Early Career Awards for Scientists and Engineers. President of the United States of America. 2009

Courses Taught

  • BME 552: Advanced Optics
  • ECE 230L: Introduction to Microelectronic Devices and Circuits
  • ECE 270L: Introduction to Electromagnetic Fields
  • ECE 541: Advanced Optics
  • ECE 571: Electromagnetic Theory
  • ECE 899: Special Readings in Electrical Engineering
  • PHYSICS 621: Advanced Optics

In the News

Representative Publications

  • Adomanis, BM; Watts, CM; Koirala, M; Liu, X; Tyler, T; West, KG; Starr, T; Bringuier, JN; Starr, AF; Jokerst, NM; Padilla, WJ, Bi-layer metamaterials as fully functional near-perfect infrared absorbers, Applied Physics Letters, vol 107 no. 2 (2015) [10.1063/1.49264161] [abs].
  • Adomanis, BM; Watts, CM; Koirala, M; Liu, X; Tyler, T; West, KG; Starr, T; Bringuier, JN; Starr, AF; Jokerst, NM; Padilla, WJ, Bi-layer metamaterials as fully functional near-perfect infrared absorbers, Applied Physics Letters, vol 107 no. 2 (2015), pp. 021107-021107 [10.1063/1.4926416] [abs].
  • Fan, K; Padilla, WJ, Dynamic electromagnetic metamaterials, Materials Today, vol 18 no. 1 (2015), pp. 39-50 [10.1016/j.mattod.2014.07.010] [abs].
  • Kang, G; Bae, K; Nam, M; Ko, D-H; Kim, K; Padilla, WJ, Broadband and ultrahigh optical haze thin films with self-aggregated alumina nanowire bundles for photovoltaic applications, Energy Environ. Sci., vol 8 no. 9 (2015), pp. 2650-2656 [10.1039/C5EE01757B] [abs].
  • Liu, L; Chen, W-C; Powell, DA; Padilla, WJ; Karouta, F; Hattori, HT; Neshev, DN; Shadrivov, IV, Post-processing approach for tuning multi-layered metamaterials, Applied Physics Letters, vol 105 no. 15 (2014), pp. 151102-151102 [10.1063/1.4897949] [abs].
  • Watts, CM; Shrekenhamer, D; Montoya, J; Lipworth, G; Hunt, J; Sleasman, T; Krishna, S; Smith, DR; Padilla, WJ, Terahertz compressive imaging with metamaterial spatial light modulators, Nature Photonics, vol 8 no. 8 (2014), pp. 605-609 [10.1038/nphoton.2014.139] [abs].
  • Withayachumnankul, W; Shah, CM; Fumeaux, C; Ung, BS-Y; Padilla, WJ; Bhaskaran, M; Abbott, D; Sriram, S, Plasmonic Resonance toward Terahertz Perfect Absorbers, Acs Photonics, vol 1 no. 7 (2014), pp. 625-630 [10.1021/ph500110t] [abs].
  • Shemelya, C; DeMeo, D; Latham, NP; Wu, X; Bingham, C; Padilla, W; Vandervelde, TE, Stable high temperature metamaterial emitters for thermophotovoltaic applications, Applied Physics Letters, vol 104 no. 20 (2014), pp. 201113-201113 [10.1063/1.4878849] [abs].
  • Savo, S; Shrekenhamer, D; Padilla, WJ, Liquid Crystal Metamaterial Absorber Spatial Light Modulator for THz Applications, Advanced Optical Materials, vol 2 no. 3 (2014), pp. 275-279 [10.1002/adom.201300384] [abs].
  • Watts, CM; Shrekenhamer, D; Montoya, J; Lipworth, G; Hunt, J; Sleasman, T; Krishna, S; Smith, DR; Padilla, WJ, Coded and compressive THz imaging with metamaterials, Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics, vol 8985 (2014) [10.1117/12.2058082] [abs].
  • Watts, CM; Shrekenhamer, D; Montoya, J; Lipworth, G; Hunt, J; Sleasman, T; Krishna, S; Smith, DR; Padilla, WJ, Terahertz compressive imaging with metamaterial spatial light modulators, Nature Photonics, vol 8 no. 8 (2014), pp. 605-609 [10.1038/nphoton.2014.139] [abs].
  • Venkatesh, S; Shrekenhamer, D; Xu, W; Sonkusale, S; Padilla, W; Schurig, D, Interferometric direction finding with a metamaterial detector, Applied Physics Letters, vol 103 no. 25 (2013), pp. 254103-254103 [10.1063/1.4851936] [abs].
  • Shrekenhamer, D; Montoya, J; Krishna, S; Padilla, WJ, Four-Color Metamaterial Absorber THz Spatial Light Modulator, Advanced Optical Materials, vol 1 no. 12 (2013), pp. 905-909 [10.1002/adom.201300265] [abs].
  • Pilon, DV; Lui, CH; Han, T-H; Shrekenhamer, D; Frenzel, AJ; Padilla, WJ; Lee, YS; Gedik, N, Spin-induced optical conductivity in the spin-liquid candidate herbertsmithite., Physical Review Letters, vol 111 no. 12 (2013) [10.1103/physrevlett.111.127401] [abs].
  • Liu, X; Padilla, WJ, Dynamic Manipulation of Infrared Radiation with MEMS Metamaterials, Advanced Optical Materials, vol 1 no. 8 (2013), pp. 559-562 [10.1002/adom.201300163] [abs].
  • Shrekenhamer, D; Watts, CM; Montoy, J; Krishna, S; Padilla, WJ, Metamaterial-based imaging for potential security applications, Smart Structures and Materials 2005: Active Materials: Behavior and Mechanics, vol 8632 (2013) [10.1117/12.2013145] [abs].
  • Shrekenhamer, D; Watts, CM; Padilla, WJ, Terahertz single pixel imaging with an optically controlled dynamic spatial light modulator., Optics Express, vol 21 no. 10 (2013), pp. 12507-12518 [10.1364/oe.21.012507] [abs].
  • Kang, G; Park, H; Shin, D; Baek, S; Choi, M; Yu, D-H; Kim, K; Padilla, WJ, Broadband light-trapping enhancement in an ultrathin film a-Si absorber using whispering gallery modes and guided wave modes with dielectric surface-textured structures., Advanced Materials (Deerfield Beach, Fla.), vol 25 no. 18 (2013), pp. 2617-2623 [10.1002/adma.201204596] [abs].
  • Shrekenhamer, D; Chen, W-C; Padilla, WJ, Liquid crystal tunable metamaterial absorber., Physical Review Letters, vol 110 no. 17 (2013) [10.1103/physrevlett.110.177403] [abs].
  • Chen, W-C; Landy, NI; Kempa, K; Padilla, WJ, A Subwavelength Extraordinary-Optical-Transmission Channel in Babinet Metamaterials, Advanced Optical Materials, vol 1 no. 3 (2013), pp. 221-226 [10.1002/adom.201200016] [abs].
  • Chen, W-C; Landy, NI; Kempa, K; Padilla, WJ, Optical Transmission: A Subwavelength Extraordinary-Optical-Transmission Channel in Babinet Metamaterials (Advanced Optical Materials 3/2013), Advanced Optical Materials, vol 1 no. 3 (2013), pp. 195-195 [10.1002/adom.201370017] [abs].