Published April 7, 2014
| Version v1
Journal article
Generation of THz radiation due to 2D-plasma oscillations in interdigitated GaN quantum well structures at room temperature
- Others:
- Institut d'Electronique et des Systèmes (IES) ; Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
- Térahertz, hyperfréquence et optique (TéHO) ; Institut d'Electronique et des Systèmes (IES) ; Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
- Laboratoire Charles Coulomb (L2C) ; Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
- Centre de recherche sur l'hétéroepitaxie et ses applications (CRHEA) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA)
- Semiconductor Physics Institute (Vilnius) ; Vilnius University [Vilnius]
Description
We report on room temperature electrically-induced terahertz emission from interdigitated GaN quantum well structures. The emission spectrum has been analysed in a Michelson interferometer using a 4K-Si bolometer as a terahertz detector. A resonant peak at the frequency of around 3 THz was observed in emission spectra. A threshold behaviour of the resonance with respect to applied voltage takes place. By using the proposed analytical model the measured/observed experimentally resonant behaviour of emission spectra is interpreted as a result of ungated stream-plasma instability in the channel.
Abstract
International audience
Additional details
- URL
- https://hal.science/hal-01636434
- URN
- urn:oai:HAL:hal-01636434v1
- Origin repository
- UNICA