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Custom devices
 
Growth of semiconductor optoelectronic and electronic devices  
  We grow for you high quality epitaxial thin film stacks for different purposes on GaAs wafers. The grown films of AlAs, GaAs, AlGaAs and InGaAs can be n- or p-doped in a wide range of doping level. Examples of such custom devices are laser- und superluminescent diodes in the wavelength region from 780 nm up to 980 nm, LEDs and photo-detectors.  
 
Low temperature grown GaAs devices  
  For some applications fast time response devices are needed e.g. for optical detectors or saturable absorbers. We grow such devices at low temperatures with short response times of pico- and femto-seconds.  
 
Parameters  
  GaAs wafer diameter: 2" and 4"  
  Maximum film stack thickness: 5 µm  
  Proof of the film stack: low temperature photoluminescence, spectral reflectance, x-ray diffraction  
 
Prices After request.  
 
BATOP GmbH