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A broadband, integrated photonic transmitter front-end is demonstrated. The front-end essentially comprises a dipole-based structure fed horn antenna and a broadband slotline to coplanar-waveguide transition. The proposed dipole-based antenna feeding structure does not call for any modifications on the waveguide and bond wires on the structure for insertion loss reduction, which is critical for an...
A 24 / 60 GHz dual-band millimeter-wave on-chip antenna fabricated in TSMC 0.13-mum CMOS process is presented here. We design the feeding network by using the coplanar waveguide (CPW) structure. For the dual-band design, there are two major current paths to radiate. To avoid the harmonic frequency band of the low frequency-band, we add two strips to couple the harmonic frequency of the low frequency-band...
A W-band (75-110 GHz) coplanar-waveguide (CPW)-fed linear tapered slot antenna (LTSA) on rectangular-grooved silicon substrate is presented. Compared to its ungrooved version, the W-band CPW-fed LTSA shows significantly improved endfire radiation patterns in the whole band. Also, the symmetric patterns together with moderately high gain (8-10 dBi), high front-to-back (F/B) ratio (16-28 dB), and low...
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