Current injection effects on surface plasmons for a tunable THz source

Justin Cleary; Bahareh Haji-saeed; Jed Khoury; Charles L. Woods; John Kierstead

doi:10.1117/12.883512

13 May 2011 Current injection effects on surface plasmons for a tunable THz source

Justin Cleary, Bahareh Haji-saeed, Jed Khoury, Charles L. Woods, John Kierstead

Proceedings Volume 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III; 80312K (2011) https://doi.org/10.1117/12.883512
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

Abstract

In this paper, we present simulation results pertaining to our broadband solid-state optically and electrically pumped THz source design. Our design consists of a thin layer of dielectric sandwiched between a nano-grating and a thin film, such as metal, semiconductor, or high electron mobility material. By passing a DC current through the lower layer, a THz emission will be radiated from the nano-grating. We demonstrate preliminary current injection effects on surface plasmons propagating on this device utilizing known analytical surface plasmon formulas and COMSOL Multiphysics finite element analysis software.

Citation Download Citation

Justin Cleary, Bahareh Haji-saeed, Jed Khoury, Charles L. Woods, and John Kierstead "Current injection effects on surface plasmons for a tunable THz source", Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III, 80312K (13 May 2011); https://doi.org/10.1117/12.883512

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KEYWORDS

Surface plasmons

Terahertz radiation

Silver

Wave propagation

Silicon

Dielectrics

Finite element methods

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