Suppression of stimulated Brillouin scattering in a strain-free single-mode optical fiber with nonuniform dopant concentration along its length

1993 ◽  
Author(s):  
Mitsuhiro Tateda ◽  
Masaharu Ohashi ◽  
Kazuyuki Shiraki
Keyword(s):  
Optical Fiber ◽  
Dopant Concentration ◽  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Single Mode ◽  
Single Mode Optical Fiber ◽  
Stimulated Brillouin

STIMULATED BRILLOUIN SCATTERING IN THE PRESENCE OF EXTERNAL FEEDBACK

1992 ◽  
Vol 01 (03) ◽  
pp. 581-594 ◽  
Author(s):  
ALEXANDER L. GAETA ◽  
ROBERT W. BOYD
Keyword(s):  
Optical Fiber ◽  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Single Mode ◽  
Single Mode Optical Fiber ◽  
External Feedback ◽  
Stimulated Brillouin ◽  
Oscillation Threshold

We investigate theoretically and experimentally the process of stimulated Brillouin scattering (SBS) in the presence of weak feedback in a single-mode optical fiber. The threshold for the occurrence of Brillouin oscillation can be considerably lower than the threshold for normal SBS. The spectrum of the emitted Stokes light exhibits an extreme narrowing near and above the oscillation threshold. The Stokes intensity is found to exhibit various types of periodic and stable behavior.

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