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17 March 2023 Nanowire-based sensors reveal the full polarisation state of THz photons
Michael B. Johnston
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Proceedings Volume PC12430, Quantum Sensing and Nano Electronics and Photonics XIX; PC124300P (2023) https://doi.org/10.1117/12.2646977
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
THz polarimetry is an emerging area that has applications in materials imaging and spectroscopy. Thus, there is a growing need for compact sensors with the ability to record complete polarization information from few-cycles pulses of THz radiation. We have exploited the unique geomatical and electrical properties of semiconductor nanowires to develop monolithic polarization-resolving THz sensors. We demonstrate these sensors in a range of applications from the analysis of polarization-manipulating metamaterials to semiconductor characterization and THz imaging. Our nanowire platform also shows promise for other THz photonic devices.
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Michael B. Johnston "Nanowire-based sensors reveal the full polarisation state of THz photons", Proc. SPIE PC12430, Quantum Sensing and Nano Electronics and Photonics XIX, PC124300P (17 March 2023); https://doi.org/10.1117/12.2646977
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KEYWORDS
Terahertz radiation
Nanowires
Sensors
Imaging spectroscopy
Photons
Polarization
Dielectric polarization
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