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We report on Gallium Nitride Self switching Diode used as detector in a terahertz imaging system. We propose to use the ionic implantation to define the nano-channels in the device, leading to an improved sensitivity in the mm-wave/THz regime. Preliminary results are given at 200 GHz.
We report on the first use of a THz detector based on InAs rectifying nanochannels in a communication system. The transmitter is composed of an electronic multiplication chain, externally amplitude modulated at the input signal. The system has been driven at 200 GHz and up to 500 Mbps data signals have been transmitted in an indoor configuration. In contrast to most nanodevices, the InAs detector...
A self-switching diode (SSD) is based on an asymmetric nanochannel. The SSD is fabricated by tailoring the boundary of a narrow semiconductor channel to break its symmetry. An applied voltage V not only changes the potential profile along the channel direction but also either widens or narrows the effective channel width, depending on its sign. This results in a strong nonlinear current-voltage I-V...
A self-switching diode (SSD) is based on an asymmetric nanochannel. The SSD is fabricated by tailoring the boundary of a narrow semiconductor channel to break its symmetry. An applied voltage V not only changes the potential profile along the channel direction but also either widens or narrows the effective channel width, depending on its sign. This results in a strong nonlinear current-voltage I-V...
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