Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces

Jacob Pettine; Lauren Gingras; Peter Adel; Chun Chieh Chang; Rohit P. Prasankumar; Ronald Holzwarth; Antoinette J. Taylor; Shi Zeng Lin; Prashant Padmanabhan; Hou Tong Chen

doi:10.1109/IRMMW-THz57677.2023.10298881

Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces

Jacob Pettine
, Lauren Gingras
, Peter Adel
, Chun Chieh Chang
, Rohit P. Prasankumar
, Ronald Holzwarth
, Antoinette J. Taylor
, Shi Zeng Lin
, Prashant Padmanabhan
, Hou Tong Chen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

While fundamental to many scientific and technological applications, capabilities for controlling charge currents remain highly restricted, particularly at modern limiting nanometer spatial and femtosecond temporal scales. Here, we demonstrate a novel method for versatile ultrafast light-based current control within new class of optoelectronic metasurfaces. Local directional charge flows in the graphene layer underlying each gold nanoantenna conspire to millimeter-scale currents, as characterized via terahertz (THz) emission. Implementing largearea vector arrays as efficient sources, we introduce readily frequency- and polarization- tunable broadband cylindrical vector beam generation in the THz range, toward applications in information science, charge acceleration, THz spectroscopies, and THz imaging.

Original language	English
Title of host publication	IRMMW-THz 2023 - 48th Conference on Infrared, Millimeter, and Terahertz Waves
Publisher	IEEE Computer Society
ISBN (Electronic)	9798350336603
DOIs	https://doi.org/10.1109/IRMMW-THz57677.2023.10298881
Publication status	Published - 2023
Externally published	Yes
Event	48th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2023 - Montreal, Canada Duration: 2023 Sept 17 → 2023 Sept 22

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	48th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2023
Country/Territory	Canada
City	Montreal
Period	2023/09/17 → 2023/09/22

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1109/IRMMW-THz57677.2023.10298881

Cite this

Pettine, J., Gingras, L., Adel, P., Chang, C. C., Prasankumar, R. P., Holzwarth, R., Taylor, A. J., Lin, S. Z., Padmanabhan, P., & Chen, H. T. (2023). Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces. In IRMMW-THz 2023 - 48th Conference on Infrared, Millimeter, and Terahertz Waves (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz57677.2023.10298881

Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces. / Pettine, Jacob; Gingras, Lauren; Adel, Peter et al.
IRMMW-THz 2023 - 48th Conference on Infrared, Millimeter, and Terahertz Waves. IEEE Computer Society, 2023. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Pettine, J, Gingras, L, Adel, P, Chang, CC, Prasankumar, RP, Holzwarth, R, Taylor, AJ, Lin, SZ, Padmanabhan, P & Chen, HT 2023, Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces. in IRMMW-THz 2023 - 48th Conference on Infrared, Millimeter, and Terahertz Waves. International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, IEEE Computer Society, 48th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2023, Montreal, Canada, 2023/09/17. https://doi.org/10.1109/IRMMW-THz57677.2023.10298881

Pettine J, Gingras L, Adel P, Chang CC, Prasankumar RP, Holzwarth R et al. Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces. In IRMMW-THz 2023 - 48th Conference on Infrared, Millimeter, and Terahertz Waves. IEEE Computer Society. 2023. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). doi: 10.1109/IRMMW-THz57677.2023.10298881

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abstract = "While fundamental to many scientific and technological applications, capabilities for controlling charge currents remain highly restricted, particularly at modern limiting nanometer spatial and femtosecond temporal scales. Here, we demonstrate a novel method for versatile ultrafast light-based current control within new class of optoelectronic metasurfaces. Local directional charge flows in the graphene layer underlying each gold nanoantenna conspire to millimeter-scale currents, as characterized via terahertz (THz) emission. Implementing largearea vector arrays as efficient sources, we introduce readily frequency- and polarization- tunable broadband cylindrical vector beam generation in the THz range, toward applications in information science, charge acceleration, THz spectroscopies, and THz imaging.",

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AU - Pettine, Jacob

AU - Gingras, Lauren

AU - Adel, Peter

AU - Chang, Chun Chieh

AU - Prasankumar, Rohit P.

AU - Holzwarth, Ronald

AU - Taylor, Antoinette J.

AU - Lin, Shi Zeng

AU - Padmanabhan, Prashant

AU - Chen, Hou Tong

PY - 2023

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AB - While fundamental to many scientific and technological applications, capabilities for controlling charge currents remain highly restricted, particularly at modern limiting nanometer spatial and femtosecond temporal scales. Here, we demonstrate a novel method for versatile ultrafast light-based current control within new class of optoelectronic metasurfaces. Local directional charge flows in the graphene layer underlying each gold nanoantenna conspire to millimeter-scale currents, as characterized via terahertz (THz) emission. Implementing largearea vector arrays as efficient sources, we introduce readily frequency- and polarization- tunable broadband cylindrical vector beam generation in the THz range, toward applications in information science, charge acceleration, THz spectroscopies, and THz imaging.

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ER -

Vectorial Currents and Broadband Terahertz Vector Beams with Optoelectronic Metasurfaces

Abstract

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ASJC Scopus subject areas

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