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Designing an efficient hybrid optical cavity

Siday, T; Thompson, RJ; Glass, S; Luk, TS; Reno, JL; Brener, I; Mitrofanov, O; (2017) Designing an efficient hybrid optical cavity. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE: Cancun, Mexico. Green open access

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Abstract

We present an efficient terahertz (THz) detector based on an optically thin hybrid cavity. We use experimental and numerical methods to design efficient detectors, finding a hybrid cavity structure with a photoconductive (PC) layer as thin as 50 nm which absorbs almost 80% of light at the operation wavelength. These optically thin detectors are well suited to near-field microscopy and terahertz component integration.

Type: Proceedings paper
Title: Designing an efficient hybrid optical cavity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/IRMMW-THz.2017.8066961
Publisher version: https://doi.org/10.1109/IRMMW-THz.2017.8066961
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Cavity resonators , Detectors , Absorption , Distributed Bragg reflectors , Optical detectors , Optical reflection , Nanoscale devices
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10094149
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