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In this paper, an improved power divider for 220GHz frequency band is presented. The power divider is based on the H-plane of rectangular waveguide and a T-shape configuration. The design principle and manufacture procedure for rectangular waveguide terahertz power divider well be introduced in the article, the model will be simulated by the software Ansoft HFSS and processed by machining. The obtained...
We present optical devices that employ free-carrier effects for routing and modulation applications. By electrically controlling the carrier concentration in indium tin oxide, we realize an electro-optic modulator employing the silicon slot waveguide platform. Moreover, using the free-carrier effects in undoped silicon, we demonstrate an optical clock utilizing self-pulsation in a long-range hybrid...
Improvement of THz waveguides with reduced losses has seen a rapid progress in the recent years. Among designs with the low loss, Planar Goubau Line have been designed and fabricated on high resistivity silicon substrate. In this contribution, we discuss two kinds of Planar Goubau lines: rectangular cross section line for low loss transmission and corrugated line in order to slow down and confine...
A silicon lens antenna suited for future integrated terahertz arrays has been proposed recently. The antenna consists of an extended hemispherical silicon lens fed by a leaky-wave waveguide feed. The primary advantage is that the antenna is compatible with silicon micro-fabrication techniques as only a small sector of the lens is actually used. Moreover, it can be easily integrated with other silicon...
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