Terahertz four-wire waveguides for broadband signal processing and multiplexing
- Dong J.
- Tomasino A.
- Balistreri G.
- You P.
- Vorobiov A.
- Chareete E.
- Drogoff B. L.
- Chaker M.
- Yurtsever A.
- Stivala S.
- Vincenti M. A.
- Angelis C. D.
- Kip D.
- Azana J.
- Morandotti R.
DOIAbstract
In this work, we introduce a versatile metal-wire waveguide geometry, namely a four-wire waveguide, which is capable of sustaining two independent and orthogonally polarized fundamental modes, thus acting as a broadband polarization-division multiplexer. By integrating multiscale-structured grooves into the wires of such a waveguide, we demonstrate the independent manipulation of polarization-division terahertz signals
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