ATIS Telecom Glossary
Thursday, October 23, 2014

A B C D E F G H I
J K L M N O P Q R
S T U V W X Y Z  
Go
 
Glossary Home
Foreword
Introduction
Normative References
Using the ATIS Telecom Glossary
Annex A: Informative References
 
 
 
<< Back
spontaneous emission
Radiation emitted when the internal energy of a quantum mechanical system drops from an excited level to a lower level without regard to the simultaneous presence of similar radiation. Note: Examples of spontaneous emission include radiation from an LED, and radiation from an injection laser below the lasing threshold.

 

 

 

 

 

 

 

 

 

 



 
These definitions were prepared by ATIS Committee PRQC
 
For more information on the work related to these definitions,
please visit the ATIS website and the ATIS Document Center