3 papers
physics.app-ph2026
Germanium-tin (GeSn) avalanche photodiode with up to 2.7 micro cutoff wavelength for extended SWIR detection
Quang Minh Thai, Rajesh Kumar, Justin Rudie +11
Separate absorption charge multiplication germanium tin on silicon avalanche photodiode offers a viable solution to achieve CMOS compatible, high sensitivity detection technology i…
physics.ins-det2026
Systematic study of high performance GeSn photodiodes with thick absorber for SWIR and extended SWIR detection
Quang Minh Thai, Rajesh Kumar, Abdulla Said Ali +13
Germanium-tin (GeSn) photodiodes potentiate a viable solution to integrate SWIR and extended SWIR detection technology into CMOS processing line. However, challenges in the growth…
physics.app-ph2025
Ge0.95Sn0.05 on Si avalanche photodiode with Spectral Response Cutoff at 2.14 micrometer
Justin Rudie, Xiaoxin Wang, Rajesh Kumar +9
GeSn-based avalanche photodiode (APD) operating in shortwave infrared (SWIR) wavelength was demonstrated in this work. A separate absorption and charge multiplication (SACM) struct…