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Measuring the Raman time constant (TR) for soliton pulses in standard single-mode fiber

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4 Author(s)
Atieh, A.K. ; Inst. for Nat. Meas. Stand., Nat. Res. Council of Canada, Ottawa, Ont., Canada ; Myslinski, P. ; Chrostowski, J. ; Galko, P.

The Raman time constant (TR) used in the generalized nonlinear Schrodinger 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 TR as measured is found to be 3.0 fs. Detailed error analysis shows that the uncertainty in the measurement is less than ±1.0 fs. The measured value of the TR is approximately half of what is commonly used at present in theoretical simulations. Determined experimentally in this work the accurate value of TR=3.0 fs is essential in modeling pulse propagation in optical fibers

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Lightwave Technology, Journal of  (Volume:17 ,  Issue: 2 )