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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 73, Iss. 8 — Aug. 1, 1983
  • pp: 1022–1027

Statistical properties of modal noise in fiber-laser systems

B. Crosignani and A. Yariv  »View Author Affiliations

JOSA, Vol. 73, Issue 8, pp. 1022-1027 (1983)

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The direct analysis in the time domain of the fluctuations of a signal propagating in a fiber-optic link in the presence of an imperfect connector makes it possible to formalize in a simple manner the description of its statistical properties. This permits, in particular, the clarification of the role played by the various time scales involved in the problem (coherence time of the fiber-exciting source, fiber modal delay, detector response time, etc.) in evaluating the statistical averages. The formalism includes in a straightforward way the case of simultaneous excitation of the fiber by more than one source. This last circumstance is expedient for checking the beneficial effect on modal noise derived from exciting the fiber with N laser sources.

© 1983 Optical Society of America

B. Crosignani and A. Yariv, "Statistical properties of modal noise in fiber-laser systems," J. Opt. Soc. Am. 73, 1022-1027 (1983)

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  1. B. Crosignani, B. Daino, and P. Di Porto, "Interference of mode patterns in optical fibers," Opt. Commun. 11, 178–179 (1974).
  2. B. Crosignani, B. Daino, and P. Di Porto, "Speckle pattern visibility of light transmitted through a multimode fiber," J. Opt. Soc. Am. 66, 1312–1313 (1976).
  3. R. E. Epworth, "The phenomenon of modal noise in analogue and digital fibre systems," in Proceedings of the Fourth European Conference on Optical Communication (Istituto Internazionale delle Comunicazioni, Genova, Italy, 1978), pp. 492–501.
  4. B. Daino, G. De Marchis, and S. Piazzolla, "Analysis and measurement of modal noise in an optical fibre," Electron. Lett. 15, 755–756 (1979); "Speckle and modal noise in optical fibres. Theory and experiment," Opt. Acta 27, 1151–1159 (1980).
  5. K. O. Hill, Y. Tremblay, and B. S. Kawasaki, "Modal noise in multimode fiber links: theory and experiment," Opt. Lett. 5, 270–272 (1980).
  6. E. G. Rawson, J. W. Goodman, and R. E. Norton, "Frequency dependence of modal noise in multimode optical fibers," J. Opt. Soc. Am. 70, 968–976 (1980).
  7. K. Petermann, "Nonlinear distortions and noise in optical communication systems due to fiber connectors," IEEE J. Quantum Electron. QE-16, 761–770 (1980).
  8. B. Crosignani and P. Di Porto, "Soliton propagation in multimode optical fibers," Opt. Lett. 6, 329–330 (1981).

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