Research

Fast Timing Silicon Detectors

• Low-Gain Avalanche Detectors (LGADs)
• Signal sharing and 4D tracking with AC-LGADs
• Monolithic integration of pixel sensors

Thin Films and Compound Semiconductor Detector Materials

• Atomic layer deposition (ALD) for silicon detectors
• Thin-film sensors on CMOS readout
• Semiconductor detectors for medical imaging and X-ray/gamma-ray detection (CdTe, CZT, amorphous selenium)
• Indium phosphide and other novel sensor materials for high-energy physics detectors

Readout Electronics and DAQ

• Precision timing readout ASICs
• Waveform sampling ASICs
• Data acquisition systems

Space-Based Gamma-Ray Detection

• HVCMOS pixel sensors (AstroPix) for MeV gamma-ray telescopes
• SiPM-based readout of scintillating tiles and fibers for MeV–GeV gamma-ray telescopes

Machine Learning in the Front-End

• ML in front-end electronics for particle identification and reconstruction
• Heterogeneous and quantum computing for HEP (ML-HEQUPP)

Active Collaborations

• Belle II Experiment — technical member
• ePIC Detector at the Electron-Ion Collider — Time-of-Flight particle ID
• PIONEER Experiment — Active Target detector, digitization and DAQ
• APT/ADAPT — Antarctic demonstrator for advanced particle tracking
• Microelectronics Commons: Northwest AI Hub (through University of Hawaii)
• Pacific-Intermountain Network for Education in Semiconductors (through University of Hawaii)

Past Collaborations

• ATLAS Experiment, Inner Tracker (ITk) — pixel module development
• CMS Experiment — Tracker and MIP Timing Detector
• RD50 Collaboration for radiation-hard semiconductor detectors