Four-Port Probe Stations and SOLR Calibration Standard Design up to 125 GHz on 28 nm CMOS. - Dipankar Shakya; Theodore S. Rappaport; Ethan Shieh; Michael E. Knox; Hamed Rahmani; Davood Shahrjerdi; Mingjun Ying; Kimberley Fan; Matt Lu; Andrej Rumiantsev; Vince Mallette; Gavin Fisher; et al. (CoRR, 2025)