Abstract
This study describes the design of a resonant tunneling diode (RTD) oscillator (RTD oscillator) with a RTD-gated-graphene-2DEF (two dimensional electron fluid) and demonstrates the functioning of this RTD oscillator through a transmission line simulation model. Impedance of the RTD oscillator changes periodically when physical dimension of the device is of considerable fraction of the electrical wavelength. As long as impedance matching is achieved, the oscillation frequency is not limited by the size of the device. An RTD oscillator with a graphene film and negative differential resistance (NDR) will produce power amplification. The positive electrode of the DC power supply is modified and designed as an antenna. So, the reflected power can also be radiated to increase RTD oscillator output power. The output analysis shows that through the optimization of the antenna structure, it is possible to increase the RTD oscillator output to 22 mW at 1.9 THz and 20 mW at 6.1 THz respectively. Furthermore, the RTD oscillator has the potential to oscillate at 50 THz with a matching antenna.
Highlights
Terahertz (THz) electromagnetic radiation is generally composed of electromagnetic waves with frequencies of 100 GHz–10 THz [1]
Without reducing the frequency, the output power can be greatly increased with the increase of the device size
resonant tunneling diode (RTD) oscillator fullyadistributed transmission line and demonstrated thishas oscillatorthe through a fully distributed transmission simulation model. the Thisfunctioning simulated of work developed two main parts of the RTD
Summary
Terahertz (THz) electromagnetic radiation is generally composed of electromagnetic waves with frequencies of 100 GHz–10 THz [1]. In [13], Burke et al developed the high-frequency transmission line model to describe a metal-gate/insulator/two-dimensional electron fluid (2DEF) structure. The study here describes the design of a resonant tunneling diode (RTD) oscillator (RTD oscillator) with a RTD-gated-graphene-two-dimensional electron fluid (2DEF) and demonstrates the functioning of this RTD oscillator through a transmission line model simulation. The distributed transmission line model analysis in this study shows that the size of the device is not an indefinite factor affecting the oscillation frequency. According to references [14,16,17], two-dimensional electron fluid (2DEF) is required to realize power amplification, which is produced by RTD-gated HEMT with very complicated layered structure.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
