Giancarlo De Marchis

Study on the Implementation of Optical Transparent Transport Networks in the European Environment—Results of the Research Project COST 239

This paper reports the main results obtained in the framework of the COST239 project on the implementation of transparent optical network schemes to connect main European cities. The investigation on transmission limitations has shown that transmission systems, for which 1662:5 Gbit/s WDM systems are used due to traf®c reasons, have a maximum range shorter than 1000 km. This condition does not allow a completely transparent network. Two solutions, the partitioned and the gridconnected network architecture, are proposed, described, and compared in the paper.

Coherence properties and cutoff wavelength determination in dielectric waveguides

In the field of optical communications and integrated optics, it would be worthwhile to have an experimental technique allowing a sensitive and precise determination of the cutoff wavelength in dielectric waveguides of various form, size, and length. In this paper we show how evaluation of the coherence properties of the EM field on a cross section of a generic dielectric waveguide is a precise technique suitable for this purpose. We also apply the method to determine the cutoff wavelength of an optical fiber in various experimental conditions and present the results.

Coherent detection in optical space communication based on diode-pumped Nd lasers technology

A laser communication system concept for intersatellite link applications, based on diode-pumped Nd laser technology and coherent detection, is analyzed. As a result of modulation format comparison, parametric link budget and trade-off analysis, a DPSK heterodyne receiver-based communication system is proposed. The coherent-detection full duplex 1.064-1.047-micron Nd-laser link offers the advantages of high link capacity and quality, reduced telescope aperture and relaxed pointing accuracy requirements.

Optical Networks: Design and Modelling

Preface. Optical Network Design and Modeling II. Acknowledgements. Part One: Routing Algorithms for Optical Networks. Restoration Methods for Multi-Service Optical Networks A. Jukan, A. Monitzer. Performance Evaluation of Photonic Networks Under Dynamic Traffic Conditions J. Spaeth, S. Bodamer. Part Two: Wavelength Conversion and Assignment. Devices for All-Optical Wavelength Conversion and Spectral Inversion A. Mecozzi. Where to Locate Wavelength Conversion in WDM Networks? M. Garnot, P.A. Perrier. Wavelength Assignment in WDM Networks - A Comparison of Approaches B. Mikac, et al. Part Three: Optical Technologies for Local and Access Networks. An Optically Transparent Ultra High Speed LAN-ring Employing OTDM K. Bengi, et al. Efficient Multi-Hop Scheduling Algorithms for All-Optical WDM/TDM Broadcast-and-Select Networks with Arbitrary Transceiver Tuning Latencies M.A. Marsan, et al. Analysis of Wirless Broadband Systems Employing Optical Fiber Links M. Pallini, R. Sabella. Part Four: Transmission in Optical Transport Networks. Impact of Transmission Performances on Path Routing in All-Optical Transport Networks M. Berdusco, et al. Electral Dispersion Compensation for 10 Gbit/s Transmission Systems: Simulation Results S. Otte, W. Rosenkranz. Part Five: Transmission in Optical Transport Networks II. Modelling of System Impairments Due to Four Wave Mixing in Dispersion Shifted Links of Having non Uniform Zero-Dispersion Wavelength E. Ciaramella. Investigation on the Capacities of Optically Amplified Transmission Systems in Geographic Networks F. Matera, et al. Part Six: Traffic Modeling. Self-Similarity in Wide-Area Network Traffic M. Isopi. The Impact of the Hurst Parameter on Queueing Performance Using Chaotic Sequences E. Costamagna, et al. Performance Analysis of a Single Server Queue Loaded by Long Range Dependent Input Traffic G. Garroppo, et al. Part Seven: Advanced Topics in Optical Networks. ATM and Optics P. Boffi, et al. Designing Physical Topologies for Wavelength-Routed All-Optical Networks D.R. Hjelme, S.E. Andersen. Digital Chaos Synchronization in Optical Networks A. Gonzales-Marcos, J.A. Martin-Pereda. Index of Contributors.

Erratum to: Optical Networks

Erratum to: G. de Marchis and R. Sabella (Eds.) Optical Networks DOI: 10.1007/978-0-387-35398-2

Applications of Coherent Techniques to Optical Transmission: State of the Art and Perspectives

The state of the art and the perspectives of application of coherent techniques to optical-transmission systems are discussed. After a review of the performance achieved with point-to-point single channel transmission systems, different frequency-division-multiplexed systems are analyzed for both point-to-point transmission and local area network applications. Attention has been devoted to possible applications of coherent optical systems in broadcast and local area networks exploiting both subcarrier and frequency division multiplexing techniques. In conclusion the potentials offered by these systems are considered relatively to space intersatellite optical links.

Multilevel coherent and direct-detection optical transmission: systems and applications

A review is presented of multilevel coherent and DD optical transmission systems with the aim of a comparative analysis between conventional modulation formats, such as N-PSK, N-QAM and new modulation/demodulation techniques, such as N-4QSK, N-SPSK and PM-DD. Besides the conceptual relevance of new multilevel modulation formats proposed to exploit the transmission characteristics of single-mode optical fibers, important applications can be foreseen like, for example, multiple parallel paths between network nodes or transmission between different processing units of supercomputers.

Optical coherent systems in optical fibre LAN's and MAN's

A review of the potentialities offered by optical coherent techniques in LANs and MANs applications is presented. Some aspects concerning both topology and access techniques have been briefly discussed. The optical coherent systems and their technological requirements have been analyzed in order to show the advantages offered both in networking and broadcasting.

Polarization-modulated coherent optical communication systems

Polarization modulated coherent optical communication systems are quite interesting for their simplicity, low phase noise induced penalty, and insensitivity to state of polarization fluctuations if a suitable tracking is adopted. In this paper different kinds of binary and multilevel polarization modulated systems are presented based on Stokes parameters detection. The structure of this class of systems is described and the polarization tracking algorithms are considered. Quantum limit performances are evaluated and the phase noise induced penalty is obtained both in the presence of a sample and hold decision device and in the case of postdetection filtering.