12+Optoelec+Diodes - Review: Non-ideal Diode J total = J...

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Review: Non-ideal Diode GR diff total J J J + = ( ) ) 1 ( 1 2 / 0 / 0 + = kT qV GR kT qV diff total A A e J e J J ( ) 1 / 0 = kT qV total A e J J η
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EECS 320 Optoelectronic Diodes
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Optoelectronics? Light-emitting Diode Semiconductor Laser Visible Light Sensor
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Optoelectronics Applications Information Technology Displays/Imaging Sensors Waveguide Photodiode M-Z Interferometer Sensor Al x O y cladding GaAs substrate Sensor arm Lighting, solar cells
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Optical Spectrum And Applications We have listed optoelectronic applications. Which wavelengths are of interest? What materials are important? Displays Imaging Sensors/Spectroscopy Information Processing
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Semiconductor Materials 20.0 5.0 3.0 2.0 0.5 1.5 1.0 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 5.4 5.6 5.8 6.0 6.2 6.4 6.6 Lattice Constant (Angstrom) Ba ndgap ( eV ) µ m) HgTe CdTe InSb InAs GaSb AlSb GaP Si Ge AlAs GaAs InP Operating wavelength depends on bandgap energy ) ( 24 . 1 ) ( eV E m = λ
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Semiconductor Optoelectronic Diodes Detectors convert optical signals into electrical signals Emitters are a source of optical radiation Photodetectors: primary purpose to detect photons Solar Cells: primary purpose is
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This note was uploaded on 08/09/2011 for the course EE 320 taught by Professor Zhongzhaohui during the Summer '11 term at Shanghai Jiao Tong University.

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12+Optoelec+Diodes - Review: Non-ideal Diode J total = J...

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