Virtual-Source Modeling of N-polar GaN MISHEMTS. - Rohit R. Karnaty; Umesh K. Mishra; James F. Buckwalter; Matthew Guidry; Pawana Shrestha; Brian Romanczyk; Nirupam Hatui; Xun Zheng; Christian Wurm; Haoran Li; Stacia Keller (BCICTS, 2019)

Near-ideal Ru/N-polar GaN Schottky diode with ultralow reverse leakage. - Wenjian Liu; Islam Sayed; Brian Romanczyk; Nirupam Hatui; Jana Georgieva; Haoran Li; Stacia Keller; Umesh K. Mishra (DRC, 2020)

A Novel Concept using Derivative Superposition at the Device-Level to Reduce Linearity Sensitivity to Bias in N-polar GaN MISHEMT. - Pawana Shrestha; Matthew Guidry; Brian Romanczyk; Rohit R. Karnaty; Nirupam Hatui; Christian Wurm; Athith Krishna; Shubhra S. Pasayat; Stacia Keller; James F. Buckwalter; Umesh K. Mishra (DRC, 2020)

Record 1 W output power from a single N-Polar GaN MISHEMT at 94 GHz. - Emre Akso; Christopher Clymore; Wenjian Liu; Henry Collins; Brian Romanczyk; Weiyi Li; Nirupam Hatui; Christian Wurm; Stacia Keller; Matthew Guidry; Umesh K. Mishra (DRC, 2023)

A new S-parameter Deep Level Transient Spectroscopy (S-DLTS) Method: Development and Qualification. - Christopher J. Clymore; Matthew Guidry; Boyu Wang; Emre Akso; Henry Collins; Robert Hamwey; Nirupam Hatui; Stacia Keller; Umesh K. Mishra (IRPS, 2025)