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Across
  1. 4. advantage of pin photo diode
  2. 5. newly created carries are the cause of further impact ionization
  3. 7. dynamic line broadening in laser
  4. 8. noise due to random motion of electronics
  5. 9. current arises from the electron and / or holes which are thermally generated
  6. 11. the average no of e-h pair created by per unit distance travelled
  7. 13. carrier multiplication
  8. 14. requirement for detectors
  9. 15. figure of merit for detector
Down
  1. 1. LED has lambertian output pattern
  2. 2. short length of fiber already attached to the source
  3. 3. noise associated with intensity fluctuations
  4. 6. ratio of average value of the total multiplied output current to primary unmultiplied photocurrant
  5. 10. performance of a photodetector
  6. 12. high resistivity p-type material deposited as an epitaxial layer on a p+ substrate