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Journal Article

Phase-Preserving Amplitude Regeneration in DPSK Transmission Systems Using a Nonlinear Amplifying Loop Mirror

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/persons/resource/persons201144

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

/persons/resource/persons201180

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

/persons/resource/persons201115

Leuchs,  Gerd
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). Phase-Preserving Amplitude Regeneration in DPSK Transmission Systems Using a Nonlinear Amplifying Loop Mirror. IEEE JOURNAL OF QUANTUM ELECTRONICS, 45(11), 1336-1343. doi:10.1109/JQE.2009.2032369.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6B99-A
Abstract
A phase-preserving 2R regenerator based on a nonlinear amplifying loop mirror was implemented in a RZ-DPSK transmission system. Its performance has been investigated in numerical simulations and experimentally. The results show that amplitude regeneration using a NALM can efficiently prevent accumulation of nonlinear phase noise in a 10 Gb/s DPSK transmission system. In the experiments, significant improvements of eye opening and of BER as well as a 3 dB increase in fiber launch power have been demonstrated. Simulations at 10 Gb/s and 100 Gb/s indicated that the enhancement of the transmission quality is smaller at 100 Gb/s. The reason is that at 100 Gb/s nonlinear intra-channel effects rather than pure nonlinear phase noise are the main limiting factor and the NALM can only reduce the accumulation of amplitude noise in that case.