Terahertz oscillators using electron devices - an approach with Resonant tunneling diodes
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概要
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Resonant tunneling diodes (RTDs) have the potential for compact and coherent terahertz (THz) sources operating at room temperature. In this paper, recent results of THz oscillators with RTDs are described. A fundamental oscillation frequency up to 831GHz was achieved with RTD having high available current density and low capacitance. By the structure reducing the transit time, the frequency further increased to 1.04THz. This is the first achievement of a fundamental oscillation above 1THz in room-temperature electronic single oscillators. The output power of 400µW at 550GHz was obtained in a single oscillator by the offset-fed slot antenna. Coherent power combining with multi-element array was observed. The spectral linewidth, frequency change with bias voltage, and direct modulation were also described.
著者
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ASADA Masahiro
Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
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Asada Masahiro
Interdisciplinary Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Suzuki Safumi
Interdisciplinary Graduate School Of Science And Engineering Tokyo Institute Of Technology
関連論文
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