Patent ID: 11921322
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. The waveguide as claimed in claim 1 wherein the momentum of the first surface polariton wave ks,1′ is:, k
    
      s
      ,
      1
    
    ′
  
  =
  
    (
    
      
        k
        
          s
          ,
          1
        
      
      +
      
        
          ω
          ⁢
          
            
          
          ⁢
          m
          ⁢
          
            
          
          ⁢
          λ
        
        
          ca
          
            mod
            ,
            1
          
        
      
    
    )
  

where ks,1 is a momentum of a predicted surface polariton wave at the interface between the core region and the cladding region with no local doping of the first layer, and m is an integer value, ω is a frequency of the electromagnetic radiation of the first wavelength, λ is the first wavelength, and amod,1 is a period of the periodic refractive index.