Title : 
Generation of high purity telecom-band entangled photon-pairs in dispersion-shifted fiber
         
        
            Author : 
Lee, Kim Fook ; Chen, Jun ; Liang, Chuang ; Li, Xiaoying ; Voss, Paul L. ; Kumar, Prem
         
        
            Author_Institution : 
EECS Dept., Northwestern Univ., Evanston, IL
         
        
        
        
        
        
            Abstract : 
We generate entangled photon-pairs from dispersion-shifted fiber at various temperatures. Two-photon interference with > 98% visibility and Bellpsilas inequality violation by > 8 standard deviations are observed at 77 K, without subtracting background Raman photons.
         
        
            Keywords : 
optical fibre dispersion; quantum entanglement; quantum optics; background Raman photons; dispersion-shifted fiber; high purity telecom band entangled photon pairs generation; temperature 77 K; two-photon interference; Detectors; Interference; Optical fiber communication; Optical fiber couplers; Optical fiber dispersion; Optical fiber polarization; Optical retarders; Raman scattering; Telecommunications; Temperature; (190.4370) Nonlinear optics, fibers; (270.0270) Quantum optics;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
         
        
            Conference_Location : 
Long Beach, CA
         
        
            Print_ISBN : 
978-1-55752-813-1
         
        
            Electronic_ISBN : 
978-1-55752-813-1
         
        
        
            DOI : 
10.1109/CLEO.2006.4628576