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- Quantum noise in optical fibers II: Raman jitter in soliton communications
- Corney, J. F.; Drummond, P. D.
- The dynamics of a soliton propagating in a single-mode optical fibre with gain, loss, and Raman coupling to thermal phonons is analyzed. Using both soliton perturbation theory and exact numerical techniques, we propose that intrinsic thermal quantum noise from the phonon reservoirs is a larger source of jitter and other perturbations than the gain-related Gordon-Haus noise for short pulses ( ≤ 1 ps), assuming typical fibre parameters. The size of the Raman timing jitter is evaluated for both bright and dark (topological) solitons and is larger for bright solitons. Because Raman thermal quantum noise is a nonlinear, multiplicative noise source, these effects are stronger for the more intense pulses that are needed to propagate as solitons in the short-pulse regime. Thus Raman noise may place additional limitations on fibre-optical communications and networking by use of ultrafast (subpicosecond) pulses.
- Publication type
- Journal article
- Journal of the Optical Society of America B: Optical Physics, Vol. 18, no. 2 (2001), pp. 153-161
- Publication year
- FOR Code(s)
- 0205 Optical Physics
- Hamiltonians; Nonlinear optics; Optical communication; Optical fibre coupling; Phonons; Quantum noise; Quantum optics; Raman scattering; Solitons; Timing jitter; Ultrafast phenomena
- Optical Society of America
- Publisher URL
- Copyright © 2001 Optical Society of America. This paper was published in the Journal of the Optical Society of America B and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/JOSAB.18.000153. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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