Search Results - "Valentine, Jason G."

Harvesting the loss: surface plasmon-based hot electron photodetection by Li, Wei, Valentine, Jason G.

“…Although the nonradiative decay of surface plasmons was once thought to be only a parasitic process within the plasmonic and metamaterial communities, hot…”
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Probing and Controlling Photothermal Heat Generation in Plasmonic Nanostructures by Coppens, Zachary J, Li, Wei, Walker, D. Greg, Valentine, Jason G

“…In the emerging field of thermoplasmonics, Joule heating associated with optically resonant plasmonic structures is exploited to generate nanoscale thermal…”
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Lithography-Free Large-Area Metamaterials for Stable Thermophotovoltaic Energy Conversion by Coppens, Zachary J., Kravchenko, Ivan I., Valentine, Jason G.

“…A large‐area metamaterial thermal emitter is fabricated using facile, lithography‐free techniques. The device is composed of conductive oxides, refractory…”
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Spatial and Temporal Modulation of Thermal Emission by Coppens, Zachary J., Valentine, Jason G.

“…Precise control of a material's emissivity is critical for thermal‐engineering applications. Metamaterials, which derive their optical properties from…”
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Dynamically Reconfigurable Metadevice Employing Nanostructured Phase-Change Materials by Zhu, Zhihua, Evans, Philip G, Haglund, Richard F, Valentine, Jason G

“…Mastering dynamic free-space spectral control and modulation in the near-infrared (NIR) and optical regimes remains a challenging task that is hindered by the…”
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Multichannel meta-imagers for accelerating machine vision by Zheng, Hanyu, Liu, Quan, Kravchenko, Ivan I., Zhang, Xiaomeng, Huo, Yuankai, Valentine, Jason G.

“…Rapid developments in machine vision technology have impacted a variety of applications, such as medical devices and autonomous driving systems. These…”
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Reconfigurable Metasurface for Image Processing by Zhang, Xiaomeng, Zhou, You, Zheng, Hanyu, Linares, Alberto Esteban, Ugwu, Fabian Chibuzor, Li, Deyu, Sun, Hong-Bo, Bai, Benfeng, Valentine, Jason G

“…Optical Fourier transform-based processing is an attractive technique due to the fast processing times and large-data rates. Furthermore, it has recently been…”
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Optical Limiting Based on Huygens' Metasurfaces by Howes, Austin, Zhu, Zhihua, Curie, David, Avila, Jason R, Wheeler, Virginia D, Haglund, Richard F, Valentine, Jason G

“…Optical limiting is desirable or necessary in a variety of applications that employ high-power light sources or sensitive photodetectors. However, the most…”
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Dynamic Color Tuning with Electrochemically Actuated TiO2 Metasurfaces by Eaves-Rathert, Janna, Kovalik, Elena, Ugwu, Chibuzor Fabian, Rogers, Bridget R, Pint, Cary L, Valentine, Jason G

“…Dynamic tuning of metamaterials is a critical step toward advanced functionality and improved bandwidth. In the visible spectrum, full spectral color tuning is…”
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Compound Meta-Optics for Complete and Loss-Less Field Control by Zheng, Hanyu, He, Mingze, Zhou, You, Kravchenko, Ivan I., Caldwell, Joshua D., Valentine, Jason G.

“…Optical metasurfaces offer a compact platform for manipulation of the amplitude, phase, and polarization state of light. Independent control over these…”
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Large-Scale Metasurfaces Based on Grayscale Nanosphere Lithography by Zheng, Hanyu, Zhou, You, Ugwu, Chibuzor Fabian, Du, Andrew, Kravchenko, Ivan I, Valentine, Jason G

“…Metasurfaces, based on subwavelength structuring, provide a versatile platform for wavefront manipulation in an ultrathin form factor. The manufacturing of…”
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Dynamic Color Tuning with Electrochemically Actuated TiO 2 Metasurfaces by Eaves-Rathert, Janna, Kovalik, Elena, Ugwu, Chibuzor Fabian, Rogers, Bridget R, Pint, Cary L, Valentine, Jason G

“…Dynamic tuning of metamaterials is a critical step toward advanced functionality and improved bandwidth. In the visible spectrum, full spectral color tuning is…”
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Fiber-to-chip coupler designed using an optical transformation by Markov, Petr, Valentine, Jason G, Weiss, Sharon M

“…An integrated silicon photonics coupler for fiber to waveguide conversion was designed employing a transformation optics approach. Quasi-conformal mapping was…”
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Metasurface-enabled barcoding for compact flow cytometry by Hong, Tao, Li, Deyu, Valentine, Jason G.

“…Flow cytometers are a vital tool for cellular phenotyping but are primarily limited to centralized laboratories due to their bulkiness and cost. Significant…”
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Low-Power Electrochemical Modulation of Silicon-Based Metasurfaces by Kovalik, Elena, Eaves-Rathert, Janna, Pint, Cary L., Valentine, Jason G.

“…The incorporation of active materials into metasurface architectures enhances functionality by enabling active tuning of the electromagnetic response, a…”
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Roadmap for Optical Metasurfaces by Kuznetsov, Arseniy I., Brongersma, Mark L., Yao, Jin, Chen, Mu Ku, Levy, Uriel, Tsai, Din Ping, Zheludev, Nikolay I., Faraon, Andrei, Arbabi, Amir, Yu, Nanfang, Chanda, Debashis, Crozier, Kenneth B., Kildishev, Alexander V., Wang, Hao, Yang, Joel K. W., Valentine, Jason G., Genevet, Patrice, Fan, Jonathan A., Miller, Owen D., Majumdar, Arka, Fröch, Johannes E., Brady, David, Heide, Felix, Veeraraghavan, Ashok, Engheta, Nader, Alù, Andrea, Polman, Albert, Atwater, Harry A., Thureja, Prachi, Paniagua-Dominguez, Ramon, Ha, Son Tung, Barreda, Angela I., Schuller, Jon A., Staude, Isabelle, Grinblat, Gustavo, Kivshar, Yuri, Peana, Samuel, Yelin, Susanne F., Senichev, Alexander, Shalaev, Vladimir M., Saha, Soham, Boltasseva, Alexandra, Rho, Junsuk, Oh, Dong Kyo, Kim, Joohoon, Park, Junghyun, Devlin, Robert, Pala, Ragip A.

“…Metasurfaces have recently risen to prominence in optical research, providing unique functionalities that can be used for imaging, beam forming, holography,…”
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ExtremeMETA: High-speed Lightweight Image Segmentation Model by Remodeling Multi-channel Metamaterial Imagers by Liu, Quan, Swartz, Brandon T, Kravchenko, Ivan, Valentine, Jason G, Huo, Yuankai

“…Deep neural networks (DNNs) have heavily relied on traditional computational units like CPUs and GPUs. However, this conventional approach brings significant…”
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Intelligent Multi-channel Meta-imagers for Accelerating Machine Vision by Zheng, Hanyu, Liu, Quan, Kravchenko, Ivan I, Zhang, Xiaomeng, Huo, Yuankai, Valentine, Jason G

“…Rapid developments in machine vision have led to advances in a variety of industries, from medical image analysis to autonomous systems. These achievements,…”
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Electrochemically Modulated Metasurfaces by Eaves-Rathert, Janna, Kovalik, Elena, Ugwu, Chibuzor Fabian, Pint, Cary L., Valentine, Jason G.

“…Electrochemical intercalation of lithium in titanium dioxide and silicon-based metasurfaces is used to initiate phase changes in a continuously tunable,…”
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Fiber-to-chip coupler based on transformation optics by Markov, P., Valentine, J. G., Weiss, S. M.

“…An integrated silicon photonics coupler for fiber to waveguide conversion was designed employing a transformation optics approach. The coupler exhibits a…”
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