Title : 
Ultra-sensitive long period fiber gratings for broadband modulators and sensors
         
        
            Author : 
Wang, Zhiyong ; Hale, Artum ; Ramachandran, Siddharth
         
        
            Author_Institution : 
OFS Lab., Murray Hill, NJ, USA
         
        
        
        
            Abstract : 
We demonstrate long-period gratings whose attenuation can be changed by 25 dB in a 48-nm spectral band, with ambient index changes of only 2.7/spl times/10/sup -4/. This is achieved by inducing coupling to ultra sensitive cladding modes in engineered fiber waveguides.
         
        
            Keywords : 
diffraction gratings; electro-optical modulation; fibre optic sensors; optical fibre cladding; 25 dB; ambient index change; broadband modulators; broadband sensors; cladding modes; engineered fiber waveguide; spectral band; ultra-sensitive long period fiber gratings; Attenuation; Bandwidth; Electrooptic devices; Etching; Fiber gratings; Frequency conversion; Optical fiber devices; Optical fiber sensors; Resonance; Silicon compounds;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
         
        
            Conference_Location : 
Baltimore, MD, USA
         
        
            Print_ISBN : 
1-55752-748-2