Title : 
Reliability of λ/4-shifted DFB lasers fabricated on a mass-production basis
         
        
            Author : 
Wakabayashi, H. ; Akiba, Shigeyuki ; Matsushima, Y. ; Yamamoto, Seiichi
         
        
            Author_Institution : 
KDD Meguro Res. Labs., Tokyo
         
        
        
        
        
            fDate : 
9/1/1988 12:00:00 AM
         
        
        
        
            Abstract : 
The reliability of quarter wavelength shifted DFB lasers has been evaluated by long-term tests of 230 samples fabricated on a mass-production basis. Very stable long-term side-mode suppression after 6500 hour operation, and a failure rate of less than 34 fits were confirmed
         
        
            Keywords : 
distributed feedback lasers; life testing; optical communication equipment; reliability; semiconductor junction lasers; 6500 h; failure rate; long-term tests; mass-production basis; quarter wavelength shifted DFB lasers; reliability; stable long-term side-mode suppression;
         
        
        
            Journal_Title : 
Electronics Letters