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J. Leibrich

University of Kiel

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Publication

Featured researches published by J. Leibrich.

optical fiber communication conference | 2003

Experimental investigation of receiver sensitivity of RZ-DQPSK modulation using balanced detection

Christoph Wree; J. Leibrich; J. Eick; Werner Rosenkranz; D. Mohr

We investigate experimentally the power penalty obtained by doubling the data rate from 10 Gb/s using RZ-DPSK modulation format to 20 Gb/s using RZ-DQPSK modulation format. The measurement results confirm theoretical limits and compare balanced and single-ended detection.

conference on lasers and electro optics | 2003

Modeling and performance evaluation of improved data formats for optical communications

Werner Rosenkranz; J. Leibrich

Simple on-off keying with intensity modulation using NRZ or RZ-data format is not optimum in the sense of spectral efficiency and robustness towards channel impairments. In this contribution alternative modulation formats are investigated.

european conference on optical communication | 2002

RZ-DQPSK Format with High Spectral Efficiency and High Robustness Towards Fiber Nonlinearities

Christoph Wree; J. Leibrich; Werner Rosenkranz

european conference on optical communication | 2007

Impact of Nonlinearities on Optical OFDM with Direct Detection

Abdulamir Ali; J. Leibrich; Werner Rosenkranz

optical fiber communication conference | 2004

Impact of SRS-induced crosstalk for different modulation formats in WDM systems

S. Schollmann; J. Leibrich; Christoph Wree; Werner Rosenkranz

Photonic Networks, 2008 ITG Symposium on | 2008

Investigation of Phase Noise Compensation Methods for 43 Gbit/s RZ-DQPSK Multi-Span Transmission with Direct Detection

Christina Hebebrand; Helmut Griesser; J. Leibrich; C. Fuerst; Werner Rosenkranz

Photonic Networks, 2010 ITG Symposium on | 2010

Multilevel ASK Amplitude Level Optimization in the Presence of Chromatic Dispersion and PMD

Annika Dochhan; J. Leibrich; Werner Rosenkranz

european conference on optical communication | 2005

8.4 dB net coding gain achieved with a serially concatenated coding scheme for differential quadrature phase shift keyed optical systems

P. Faraj; S. Schollmann; J. Leibrich; Werner Rosenkranz

optical fiber communication conference | 2004

Offset-DQPSK modulation format for 40 Gb/s and comparison to RZ-DQPSK in WDM environment

Christoph Wree; Murat Serbay; J. Leibrich; Werner Rosenkranz

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Werner Rosenkranz

University of Kiel

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Christoph Wree

University of Kiel

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S. Schollmann

University of Kiel

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Abdulamir Ali

University of Kiel

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Annika Dochhan

University of Kiel

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C. Fuerst

Ericsson

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Christina Hebebrand

University of Kiel

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Helmut Griesser

ADVA Optical Networking

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J. Eick

University of Kiel

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Murat Serbay

University of Kiel

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