Phase noise suppression in a DPSK transmission system by the use of an attenuation-imbalanced NOLM期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Phase noise suppression in a DPSK transmission system by the use of an attenuation-imbalanced NOLM

Authors:	C. Stephan K. Sponsel G. Onishchukov B. Schmauss G. Leuchs

Affiliation:	^a Max Planck Institute for the Science of Light, Guenther-Scharowsky-Str. 1/Bld. 24, 91058 Erlangen, Germany ^b Institute of Optics, Information and Photonics, University of Erlangen-Nuremberg, Germany ^c Chair for Microwave Engineering, University of Erlangen-Nuremberg, Germany ^d Erlangen Graduate School in Advanced Optical Technologies (SAOT), Germany

Abstract:	A nonlinear optical loop mirror (NOLM) imbalanced by attenuation has been used for the suppression of nonlinear phase noise in a DPSK transmission system. It has been experimentally shown that such a passive, NOLM-based regenerator can significantly improve the performance of a phase-encoded transmission when it is limited by nonlinear phase noise. A brief overview over the advantages und limitations of different NOLM-based phase-preserving amplitude regenerators is also given.

Keywords:	Amplitude regeneration Differential phase-shift keying Nonlinear phase noise Nonlinear optical loop mirror
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