Patent ID: 11921366
Assignee: CORNING INCORPORATED
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. The multicore optical fiber of claim 15, wherein:, 
          
            
              β
              1
            
            -
            
              β
              3
            
          
          
        
        
          
          
            
              β
              3
            
            -
            
              β
              0
            
          
          
        
      
      <
      
        1
        2
      
    
    ;
  

  
    
      
        
          
          
            
              β
              2
            
            -
            
              β
              3
            
          
          
        
        
          
          
            
              β
              3
            
            -
            
              β
              0
            
          
          
        
      
      <
      
        1
        2
      
    
    ;
  

the first core and the third core comprise a modal mismatch M13;, M
      13
    
    =
    
      
        
        
          
            β
            1
          
          -
          
            β
            3
          
        
        
      
      
        2
        ⁢
        
          C
          13
        
      
    
  
  ,, where C13 is a coupling coefficient for coupling from the first core to the third core;
the second core and the third core comprise a modal mismatch M23;, M
      23
    
    =
    
      
        
        
          
            β
            2
          
          -
          
            β
            3
          
        
        
      
      
        2
        ⁢
        
          C
          23
        
      
    
  
  ,, where C23 is a coupling coefficient for coupling from the second core to the third core; and
both M13 and M23 are greater than 10.