Tim Davis

Ultrafast vector imaging of plasmonic skyrmion dynamics with deep subwavelength resolution

Timothy J Davis, David Janoschka, Pascal Dreher, Bettina Frank, Frank-J Meyer zu Heringdorf, Harald Giessen

Journal article  |  2020  |  Science

Selective near-perfect absorbing mirror as a spatial frequency filter for optical image processing

Lukas Wesemann, Evgeniy Panchenko, Kalpana Singh, Enrico Della Gaspera, Daniel E Gomez, Timothy J Davis, Ann Roberts

Journal article  |  2019  |  APL Photonics

Spatial frequency filtering is a fundamental enabler of information processing methods in biological and technical imaging. Most f..

Ultracompact Camera Pixel with Integrated Plasmonic Color Filters

Evgeniy Panchenko, Lukas Wesemann, Daniel E Gomez, Timothy D James, Timothy Davis, Ann Roberts

Journal article  |  2019  |  Advanced Optical Materials

Photodetector size imposes a fundamental limit on the amount of information that can be recorded by an image sensor. Compact, high..

Plasmonic Near-Complete Optical Absorption and Its Applications

Charlene Ng, Lukas Wesemann, Evgeniy Panchenko, Jingchao Song, Timothy J Davis, Ann Roberts, Daniel E Gomez

Journal article  |  2019  |  Advanced Optical Materials

Near-complete absorption of light has the potential to underpin advances in photodetection, advanced chemistry, coloration of mate..

Metasurfaces with Asymmetric Optical Transfer Functions for Optical Signal Processing

TJ Davis, F Eftekhari, DE Gomez, A Roberts

Journal article  |  2019  |  PHYSICAL REVIEW LETTERS

Precision Plasmonics with Monomers and Dimers of Spherical Gold Nanoparticles: Nonequilibrium Dynamics at the Time and Space Limits

L Schumacher, J Jose, D Janoschka, P Dreher, TJ Davis, M Ligges, R Li, M Mo, S Park, X Shen, S Weathersby, J Yang, X Wang, F Meyer Zu Heringdorf, K Sokolowski-Tinten, S Schluecker

Journal article  |  2019  |  The Journal of Physical Chemistry C

Spatiotemporal Analysis of an Efficient Fresnel Grating Coupler for Focusing Surface Plasmon Polaritons

Daniel Podbiel, Philip Kahl, Bettina Frank, Timothy J Davis, Harald Giessen, Michael Horn-von Hoegen, Frank J Meyer zu Heringdorf

Journal article  |  2019  |  ACS Photonics

Large-Area Nanofabrication of Partially Embedded Nanostructures for Enhanced Plasmonic Hot-Carrier Extraction

Charlene Ng, Peng Zeng, Julian A Lloyd, Debadi Chakraborty, Ann Roberts, Trevor A Smith, Udo Bach, John E Sader, Timothy J Davis, Daniel E Gomez

Journal article  |  2019  |  ACS Applied Nano Materials

When plasmonic nanoparticles are coupled with semiconductors, highly energetic hot carriers can be extracted from the metal-semico..

Plasmene Metasurface Absorbers: Electromagnetic Hot Spots and Hot Carriers

Qianqian Shi, Timothy U Connell, Qi Xiao, Anthony SR Chesman, Wenlong Cheng, Ann Roberts, Timothy J Davis, Daniel E Gomez

Journal article  |  2019  |  ACS Photonics

Light-matter interactions are extremely important, as they sustain life on Earth and can be tailored for diverse applications in a..

Directing Energy into a Subwavelength Nonresonant Metasurface across the Visible Spectrum

Timothy U Connell, Gus O Bonin, Christopher D Easton, Enrico Della Gaspera, Anthony SR Chesman, Timothy J Davis, Daniel E Gomez

Journal article  |  2019  |  ACS Applied Energy Materials