Abstract

The Raman time constant (T_R) used in the generalized nonlinear Schrdinger equation is determined experimentally at 1550 nm based on the Raman self-frequency shift in a standard single-mode fiber. The effective value of the T_R as measured is found to be 3.0 fs. Detailed error analysis shows that the uncertainty in the measurement is less than {\pm}1.0 fs. The measured value of the T_R is approximately half of what is commonly used at present in theoretical simulations. Determined experimentally in this work the accurate value of T_R = 3.0 fs is essential in modeling pulse propagation in optical fibers.

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References

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  1. D. Wood, "Constraints on the bit rates in direct detection optical communication systems," J. Lightwave Technol., vol. 8, pp. 1097-1106, July 1990.
  2. A. Hasegawa and T. Nyu, "Eigenvalue communication," J. Lightwave Technol., vol. 11, pp. 395-399, Mar. 1993.

J. Lightwave Technol. (2)

D. Wood, "Constraints on the bit rates in direct detection optical communication systems," J. Lightwave Technol., vol. 8, pp. 1097-1106, July 1990.

A. Hasegawa and T. Nyu, "Eigenvalue communication," J. Lightwave Technol., vol. 11, pp. 395-399, Mar. 1993.

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