Title : 
Novel glass system with negative temperature coefficient of refractive index and its application to arrayed waveguide grating
         
        
            Author : 
Hirota, H. ; Itoh, M. ; Oguma, M.
         
        
            Author_Institution : 
NTT Photonic Labs., Kanagawa, Japan
         
        
        
        
            Abstract : 
We demonstrated an athermal arrayed waveguide grating by using a novel glass system with TiO/sub 2/ concentration of more than 50 mol%. We reduced the temperature coefficient of the center wavelength to less than 1 pm//spl deg/C.
         
        
            Keywords : 
arrayed waveguide gratings; optical fabrication; optical glass; refractive index; silicon compounds; titanium compounds; TiO/sub 2/-SiO/sub 2/; TiO/sub 2/-SiO/sub 2/ glass system; athermal arrayed waveguide grating; negative temperature coefficient; refractive index;
         
        
        
        
            Conference_Titel : 
Optical Fiber Communication Conference, 2004. OFC 2004
         
        
            Print_ISBN : 
1-55752-772-5