Publicação: Photodetection with gate-controlled lateral BJTs from standard CMOS technology
Carregando...
Data
Orientador
Coorientador
Pós-graduação
Curso de graduação
Título da Revista
ISSN da Revista
Título de Volume
Editor
Tipo
Artigo
Direito de acesso
Acesso restrito
Resumo
The silicon-based gate-controlled lateral bipolar junction transistor (BJT) is a controllable four-terminal photodetector with very high responsivity at low-light intensities. It is a hybrid device composed of a MOSFET, a lateral BJT, and a vertical BJT. Using sufficient gate bias to operate the MOS transistor in inversion mode, the photodetector allows for increasing the photocurrent gain by 106 at low light intensities when the base-emitter voltage is smaller than 0.4 V, and BJT is off. Two operation modes, with constant voltage bias between gate and emitter/source terminals and between gate and base/body terminals, allow for tuning the photoresponse from sublinear to slightly above linear, satisfying the application requirements for wide dynamic range, high-contrast, or linear imaging. MOSFETs from a standard 0.18-μm triple-well complementary-metal oxide semiconductor technology with a width to length ratio of 8 μm /2 μm and a total area of ∼ 500μm2 are used. When using this area, the responsivities are 16-20 kA/W. © 2001-2012 IEEE.
Descrição
Palavras-chave
Active pixel sensor, complementary-metal-oxide semiconductor (CMOS) image sensor, gated-controlled lateral phototransistor, high dynamic range phototransistor, high responsivity photodetector, lateral bipolar junction transistor (BJT), metal oxide conductor phototransistor, Active Pixel Sensor, High dynamic range, Lateral bipolar junction transistors, Metal oxides, Responsivity, Bias voltage, CMOS integrated circuits, MOS devices, MOSFET devices, Photodetectors, Photons, Phototransistors, Semiconductor device manufacture, Semiconductor junctions, Bipolar transistors
Idioma
Inglês
Como citar
IEEE Sensors Journal, v. 13, n. 5, p. 1554-1563, 2013.