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7 March 2014 Non-contact probes for THz integrated devices based on fiber-coupled photomixers
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We investigate through numerical simulation and analytic design the electromagnetic coupling properties of a novel, contact-free, antenna-free optoelectronic probe that should operate up to 1 THz and beyond. The probes are based on continuous-wave photomixers and are designed to transmit and receive THz waves propagating along a coplanar waveguide (CPW) containing a device-under-test (DUT). Two kinds of designs have been investigated: a broadband design that performs up to 1300 GHz with coupling exceeding -27 dB over 1 THz, and a narrow band design showing a coupling better than -12 dB over a bandwidth of ≈100 GHz centered about a chosen operating frequency.
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M. Martin, P. Daram, and E. R. Brown "Non-contact probes for THz integrated devices based on fiber-coupled photomixers", Proc. SPIE 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII, 89850B (7 March 2014);

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