Diamond plasmonic terahertz detectors

Muhammad Mahmudul Hasan; Nezih Pala; Michael Shur

doi:10.1117/12.2664452

15 June 2023 Diamond plasmonic terahertz detectors

Muhammad Mahmudul Hasan, Nezih Pala, Michael Shur

Proceedings Volume 12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X; 125140A (2023) https://doi.org/10.1117/12.2664452
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

This paper reports on the characteristics of the plasmonic phenomena in diamond FET devices at THz frequencies. We present a detailed numerical study of the terahertz resonant response of n-diamond TeraFETs as a function of temperature and channel length, demonstrate their potential for emerging terahertz applications, and compare their performance with that for p-diamond devices. The results show that short channel n-diamond TeraFETs exhibit a resonant response at room and cryogenic temperatures. We also report on the impact of the amplitude of the impinged THz signal and gate-to-channel separation on the induced voltage response. In our analysis, we have accounted for the effect of the viscosity of the electron fluid in the channel which is one of the major contributors to the damping of the plasma waves.

Conference Presentation

Citation Download Citation

Muhammad Mahmudul Hasan, Nezih Pala, and Michael Shur "Diamond plasmonic terahertz detectors", Proc. SPIE 12514, Image Sensing Technologies: Materials, Devices, Systems, and Applications X, 125140A (15 June 2023); https://doi.org/10.1117/12.2664452

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