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Nonlinear Phase Noise Reduction in a DPSK Transmission System Using Cascaded Nonlinear Amplifying Loop Mirrors

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/persons/resource/persons201144

Onishchukov,  G.
Optical Communication, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Schmauss,  B.
Schmauß Group, Associated Groups, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201115

Leuchs,  G.
Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Stephan, C., Sponsel, K., Onishchukov, G., Schmauss, B., & Leuchs, G. (2009). Nonlinear Phase Noise Reduction in a DPSK Transmission System Using Cascaded Nonlinear Amplifying Loop Mirrors. IEEE PHOTONICS TECHNOLOGY LETTERS, 21(24), 1864-1866. doi:10.1109/LPT.2009.2034539.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6B85-5
Abstract
The performance of a nonlinear amplifying loop mirror as a phase-preserving amplitude 2R regenerator in a differential phase-shift-keying transmission system with nonlinear phase noise as dominant limiting effect has been investigated in a recirculating fiber-loop setup. The experimental results show that cascaded regenerators can efficiently prevent the accumulation of nonlinear phase noise in such systems. It was possible to significantly increase the transmission quality; alternatively, a considerable increase of fiber launch power could be achieved for the same bit-error ratio. As a limiting effect, the amplified Rayleigh backscattering in the highly nonlinear fiber is identified when the regenerator is passed multiple times.