Integrated disk resonator on substrateless dielectric waveguide platform for terahertz switch applications
P Dechwechprasit, C Fumeaux… - … Waves (IRMMW-THz …, 2022 - ieeexplore.ieee.org
We present a terahertz single-pole double-throw (SPDT) switch based on an integrated disk
resonator for a substrateless dielectric platform made of an all-silicon-based effective
medium. The switch operates based on photoexcitation by using visible light focused onto
the disk resonator to turn off the resonance, thus removing coupling between two
waveguides. The result shows low insertion loss of the proposed switch due to the low
dissipation of the platform. The device achieves an extinction ratio of 11 dB and 1.5 GHz of …
resonator for a substrateless dielectric platform made of an all-silicon-based effective
medium. The switch operates based on photoexcitation by using visible light focused onto
the disk resonator to turn off the resonance, thus removing coupling between two
waveguides. The result shows low insertion loss of the proposed switch due to the low
dissipation of the platform. The device achieves an extinction ratio of 11 dB and 1.5 GHz of …
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