Abstract
The data rates which can be processed by integrated communication systems are increasing as the CMOS process and photonic technologies scale. Emerging bandwidth-hungry applications demand new solutions based on terahertz (THz)
systems. This work proposes a GaAs/AlAs nanocolumn-Resonant Tunneling Diode (Nano-RTD) device as a voltage-controlled oscillator (VCO) for frequency generation in the THz spectrum window, i.e., Y-band (325 – 500 GHz). A comprehensive semianalytical approach to evaluating the performance of the Nano-RTD VCO device is developed. The latter addresses the oscillation
frequency, maximum oscillation frequency, tuning range, output power, DC consumption power, and DC/AC conversion efficiency. Moreover, the oscillation stability of the designed device in the Y-band was numerically verified. Results shown that the device can operate in the Y-band (@ 500 GHz and 300 K), with a
very-low DC power consumption down to 0.16 mW, along with a good DC/AC conversion efficiency (2.4%). The Nano-RTD VCO is compatible with current CMOS fabrication technology and has a very compact footprint (2000 nm2). Finally, the device may be used as part of system solutions to satisfying emerging THz wireless applications such as in-body nano-communication, wireless nano-networks, and network-on-chip.
systems. This work proposes a GaAs/AlAs nanocolumn-Resonant Tunneling Diode (Nano-RTD) device as a voltage-controlled oscillator (VCO) for frequency generation in the THz spectrum window, i.e., Y-band (325 – 500 GHz). A comprehensive semianalytical approach to evaluating the performance of the Nano-RTD VCO device is developed. The latter addresses the oscillation
frequency, maximum oscillation frequency, tuning range, output power, DC consumption power, and DC/AC conversion efficiency. Moreover, the oscillation stability of the designed device in the Y-band was numerically verified. Results shown that the device can operate in the Y-band (@ 500 GHz and 300 K), with a
very-low DC power consumption down to 0.16 mW, along with a good DC/AC conversion efficiency (2.4%). The Nano-RTD VCO is compatible with current CMOS fabrication technology and has a very compact footprint (2000 nm2). Finally, the device may be used as part of system solutions to satisfying emerging THz wireless applications such as in-body nano-communication, wireless nano-networks, and network-on-chip.
| Original language | English |
|---|---|
| Title of host publication | 2020 IEEE Latin-American Conference on Communications (LATINCOM) |
| Place of Publication | Piscataway, N.J. |
| Publisher | IEEE |
| Number of pages | 6 |
| ISBN (Electronic) | 978-1-7281-8904-8 |
| DOIs | |
| Publication status | Published - 20 Nov 2020 |
| Event | IEEE Latin-American Conference on Communications - https://latincom2020.ieee-latincom.org/, online Duration: 18 Nov 2020 → 20 Nov 2020 https://latincom2020.ieee-latincom.org/ |
Conference
| Conference | IEEE Latin-American Conference on Communications |
|---|---|
| Abbreviated title | IEEE Latin Com Conference |
| City | online |
| Period | 18/11/20 → 20/11/20 |
| Internet address |
Keywords
- nanoculumn
- resonant tuneling diode
- voltage-controlled oscillator
- THz applications