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Applied Optics

Applied Optics


  • Vol. 11, Iss. 11 — Nov. 1, 1972
  • pp: 2489–2494

Optical Power Handling Capacity of Low Loss Optical Fibers as Determined by Stimulated Raman and Brillouin Scattering

R. G. Smith  »View Author Affiliations

Applied Optics, Vol. 11, Issue 11, pp. 2489-2494 (1972)

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The effect of stimulated Raman and Brillouin scattering on the power handling capacity of optical fibers is considered and found to be important especially when low loss optical fibers are used. A critical power below which stimulated effects may be neglected is defined for forward and backward Raman scattering and for backward Brillouin scattering. This critical power is determined by the effective core area A, the small signal attenuation constant of the fiber α, and the gain coefficient for the stimulated scattering process γ0, by the approximate relation Pcrit ≈ 20/γ0. For a fiber with 20-dB/km attenuation and an area of 10−7 cm2Pcrit ≈ 35 mW for stimulated Brillouin scattering. For stimulated Raman scattering Pcrit is approximately two orders of magnitude higher. It is concluded that these effects must be considered in the design of optical communication systems using low loss fibers.

© 1972 Optical Society of America

Original Manuscript: June 5, 1972
Published: November 1, 1972

R. G. Smith, "Optical Power Handling Capacity of Low Loss Optical Fibers as Determined by Stimulated Raman and Brillouin Scattering," Appl. Opt. 11, 2489-2494 (1972)

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