Nonlinear nanochannels for room temperature terahertz heterodyne detection

The potentialities of AlGaN/GaN nanochannels with broken symmetry (also called self-switching diodes) as direct and heterodyne THz detectors are analyzed. The operation of the devices in the free space heterodyne detection scheme have been measured at room temperature with RF up to 0.32 THz and expl...

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Veröffentlicht in:	Semiconductor science and technology 2013-12, Vol.28 (12), p.125024
Hauptverfasser:	Torres, Jeremie, Nouvel, Philippe, Penot, Alexandre, Varani, Luca, Sangaré, Paul, Grimbert, Bertrand, Faucher, Marc, Ducournau, Guillaume, Gaquière, Christophe, Iñiguez-de-la-Torre, Ignacio, Mateos, Javier, Gonzalez, Tomas
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences detection Electronics Exact sciences and technology Microwave and submillimeter wave devices, electron transfer devices nonlinear nanochannels Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices terahertz
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Beschreibung
Zusammenfassung:	The potentialities of AlGaN/GaN nanochannels with broken symmetry (also called self-switching diodes) as direct and heterodyne THz detectors are analyzed. The operation of the devices in the free space heterodyne detection scheme have been measured at room temperature with RF up to 0.32 THz and explained as a result of high-frequency nonlinearities using Monte Carlo simulations. Intermediate-frequency bandwidth of 40 GHz is obtained.
ISSN:	0268-1242 1361-6641
DOI:	10.1088/0268-1242/28/12/125024