ATIS Telecom Glossary
Thursday, April 17, 2014

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extinction ratio (re)
The ratio of two optical power levels, equation 15of a digital signal generated by an optical source, e.g., a laser diode, where P1 is the optical power level generated when the light source is "on," and P2 is the power level generated when the light source is "off." Note: The extinction ratio may be expressed as a fraction or in dB. [2196].

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
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