Title :
Laser Radar Imager Based on 3D Integration of Geiger-Mode Avalanche Photodiodes with Two SOI Timing Circuit Layers
Author :
Aull, B. ; Burns, Jack ; Chenson Chen ; Felton, B. ; Hanson, H. ; Keast, C. ; Knecht, J. ; Loomis, A. ; Renzi, Massimiliano ; Soares, Andre ; Warner, Keith ; Wolfson, D. ; Yost, D. ; Young, Devin
Author_Institution :
MIT Lincoln Lab., Lexington, MA
Abstract :
A 64times64 laser-radar (ladar) detector array with 50mum pixel size measures the arrival times of single photons using Geiger-mode avalanche photodiodes (APD). A 3-tier structure with active devices on each tier is used with 227 transistors, six 3D vias and an APD in each pixel. A 9b pseudorandom counter in the pixel measures time. Initial imagery shows 2ns time quantization
Keywords :
avalanche photodiodes; image sensors; optical radar; radar detection; radar imaging; silicon-on-insulator; timing circuits; 2 ns; 3D integration; 50 micron; APD; Geiger-mode avalanche photodiodes; SOI timing circuit layers; ladar detector array; laser radar detector array; laser radar imager; pseudorandom counter; Avalanche photodiodes; Counting circuits; Integrated circuit measurements; Laser radar; Optical arrays; Radar detection; Radar imaging; Sensor arrays; Size measurement; Timing;
Conference_Titel :
Solid-State Circuits Conference, 2006. ISSCC 2006. Digest of Technical Papers. IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-4244-0079-1
DOI :
10.1109/ISSCC.2006.1696163
