00919cam0 22002891 450 SOBE0004438520200506104700.0978887180787420140717d2009 |||||ita|0103 baitaITStoria e pratiche del documentarioGuy GauthierTorinoLindau2009523 p.21 cmSaggiTraduzione di: Le documentaire un autre cinéma001SOBE000376012001 *SaggiGauthier, GuyAF00005334070280778ITUNISOB20200506RICAUNISOBUNISOB791.43164908SOBE00044385M 102 Monografia moderna SBNM791.43001171SI164908acquistoVmenleUNISOBUNISOB20140717140227.020200506104700.0bethbDocumentaire un autre cinéma52345UNISOB05275nam 2200637Ia 450 991100475820332120200520144314.01-282-54131-597866125413150-08-095917-2(CKB)2530000000000300(EBL)535074(OCoLC)635293356(SSID)ssj0000403971(PQKBManifestationID)11282146(PQKBTitleCode)TC0000403971(PQKBWorkID)10437075(PQKB)10123737(MiAaPQ)EBC535074(PPN)160368111(EXLCZ)99253000000000030020091124d2010 uy 0engur|n|---|||||txtccrOptical performance monitoring advanced techniques for next-generation photonic networks /Calvin C.K. ChanAmsterdam ;Boston Academic Pressc20101 online resource (510 p.)Description based upon print version of record.0-12-810219-5 0-12-374950-6 Includes bibliographical references and index.Front Cover; Optical Performance Monitoring; Copyright Page; Dedication; Contents; List of Acronyms; List of Figures; List of Tables; Preface; Acknowledgments; List of Contributors; About the Editor; Chapter 1: Optical performance monitoring: Perspectives and challenges; 1.1. Introduction; 1.1.1 Overarching vision; 1.1.2 Challenges; 1.2. Physical-Layer Measurements and Routing Decisions in Today's Optical Networks; 1.3. Signal Parameters Requiring Monitoring and OPM Techniques; 1.3.1 Optical impairments; 1.3.2 OPM techniques1.4. Laudable OPM-enabled Functionalities in Next-generation Optical Networks1.4.1 Robust and stable operation; 1.4.2 Accommodate transparency; 1.4.3 Impairment-aware routing; 1.4.4 Secure links; 1.4.5 Optical supervisory channel; 1.5. Smart Network Operation and Security; 1.5.1 Smart network operation; 1.5.2 Security; 1.6. Summary; Acknowledgments; References; Chapter 2: Optical signal-to-noise ratio monitoring; 2.1. Introduction; 2.2. Linear Interpolation Techniques; 2.2.1 Optical spectrum analysis; 2.2.2 Out-of-band noise measurement; 2.2.3 Potential problems2.3. Polarization-based Techniques2.3.1 Operating principles; 2.3.2 Potential problems and limitations; 2.3.3 Methods to overcome limitations; 2.4. Interferometer-based Technique; 2.4.1 Operating principle; 2.4.2 Potential problems and limitations; 2.4.3 Method to overcome limitations; 2.5. Beat Noise Analysis Techniques; 2.5.1 Operating principle; 2.5.2 Potential problems and limitations; 2.5.3 Methods to overcome limitations; 2.6. OSNR Estimation Technique based on the Operating Condition of Optical Amplifiers; 2.6.1 Operating principle; 2.6.2 Link-based OSNR monitoring technique2.6.3 Potential problems and limitations2.7. Summary; References; Chapter 3: Chromatic dispersion monitoring; 3.1. Introduction; 3.2. Chromatic Dispersion and Its Effects on Optical Fiber Systems; 3.2.1 Fiber chromatic dispersion; 3.2.2 Systems limitations due to chromatic dispersion; 3.2.3 Dispersion effects in the presence of fiber nonlinearities; 3.2.4 The need for chromatic dispersion monitoring; 3.3. Chromatic Dispersion Monitoring Techniques; 3.3.1 Measurement of RF spectrum; 3.3.2 Measurement of relative group delay between VSB signals; 3.3.3 Histogram monitoring techniques3.3.4 All-optical spectral analysis using nonlinear optics3.3.5 Electronic monitoring techniques; 3.3.6 Other chromatic dispersion monitoring techniques; 3.3.7 Differentiate chromatic dispersion from polarization mode dispersion; 3.4. Summary; Acknowledgments; References; Chapter 4: Polarization mode dispersion monitoring; 4.1. Introduction; 4.2. PMD Monitoring Based on Measurement of RF Tone; 4.3. PMD Monitoring Based on Measurement of Degree of Polarization; 4.4. Electronic PMD Monitoring Techniques; 4.5. Other PMD Monitoring Techniques; 4.6. Summary; Acknowledgments; ReferencesChapter 5: Timing misalignment monitoring This in-depth, detailed reference presents for the first time a comprehensive treatment of recent advances in optical performance monitoring. Written by leading experts in the field, the book provides an overview of recent developments in the area and the role of OPM in future optical systems and networks. Detailed discussions of various advanced techniques are provided to illustrate their principles. FEATURES: Presents the principles and applications of advanced OPM techniques, together with a comparative evaluation of their effectiveness in monitoring individual parametOptical fiber communicationNetwork performance (Telecommunication)Optical fiber communication.Network performance (Telecommunication)621.382/75621.38275621.38275Chan Calvin C. K1822324MiAaPQMiAaPQMiAaPQBOOK9911004758203321Optical performance monitoring4388480UNINA