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In this communication, we study the effect of the position of SRR on the resonance frequency of the planar circuit. The idea is to better control the position of SRR along the Planar Goubau Line (PGL) in order to attain maximum rejection. This result is important for the design of terahertz circuits. As a demonstration of the flexibility and scalability of the designs, we show experimental results,...
For terahertz microscopy, we propose an original approach with Planar Goubau Lines (PGL) by taking advantage of the confinement around the metallic strip. The idea is to obtain an alternative to the illumination by free space wave. The structure is fabricated on a thin high resistivity silicon substrate and it is composed of two CPW-PGL transitions, two bendings and a coupling region between the two...
We report the continuous wave generation delivered by on ion-irradiated In0.53Ga0.47As photomixers coupled to transverse-electromagnetic-horn antenna using two lasers operating at ~1.55 μm wavelength. Output powers up to 0.1 μW at 700 GHz have been achieved. The output power in a regime of Ohmic transport or recombination-limited transport is analyzed.
We report on-wafer measurements of planar transmission lines on quartz substrate at J-band. We have fabricated and characterized as well CPW than Planar Goubau-Sommerfeld Lines (PGSL) up to 325 GHz. The transmission level is relatively good for straight PGSL but we can notice higher losses for structures with two 90deg-bendings. Different metallization have also been used for the study of metallic...
We present measurements and electromagnetic simulations of planar Goubau lines (PGL) on quartz substrate up to 1 THz. PGLs are single strip transmission lines. A very high-efficiency planar transition between a standard coplanar waveguide (CPW) and PGL is demonstrated A time-domain electroabsorption sampling method is used to measure the reflected and transmitted waveforms. Transmission of picosecond...
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