Title : 
Channelled substrate narrow stripe GaAs/(GaAl)As lasers with quarter-wavelength facet coatings
         
        
            Author : 
Plumb, R.G. ; Curtis, J.P.
         
        
            Author_Institution : 
Standard Telecommunication Laboratories Limited, Harlow, UK
         
        
        
        
        
        
        
            Abstract : 
Channelled substrate narrow stripe GaAs/(GaAl)As lasers with quarter-wavelength antireflection coatings are described. These devices have low thresholds, broad spectra, high external quantum efficiencies and operate up to 10 mW in the fundamental transverse mode.
         
        
            Keywords : 
III-V semiconductors; antireflection coatings; gallium arsenide; semiconductor junction lasers; 10 mW; GaAs/(GaAl)As; channelled substrate narrow stripe lasers; quarter wavelength antireflection coatings; semiconductor junction lasers;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:19800501