LEADER 05451nam 22007334a 450 001 9911019535603321 005 20200520144314.0 010 $a9786610270408 010 $a9781280270406 010 $a1280270403 010 $a9780470300039 010 $a0470300035 010 $a9780470856222 010 $a047085622X 010 $a9780470856239 010 $a0470856238 035 $a(CKB)111087027101670 035 $a(EBL)219762 035 $a(OCoLC)53978947 035 $a(SSID)ssj0000140133 035 $a(PQKBManifestationID)11151271 035 $a(PQKBTitleCode)TC0000140133 035 $a(PQKBWorkID)10028419 035 $a(PQKB)11481458 035 $a(MiAaPQ)EBC219762 035 $a(Perlego)2758290 035 $a(EXLCZ)99111087027101670 100 $a20030409d2003 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aDistributed feedback laser diodes and optical tunable filters /$fH. Ghafouri-Shiraz 210 $aWest Sussex, England ;$aHoboken, NJ $cJ. Wiley$d2003 215 $a1 online resource (343 p.) 300 $aDescription based upon print version of record. 311 08$a9780470856185 311 08$a0470856181 320 $aIncludes bibliographical references and index. 327 $aDistributed Feedback Laser Diodes and Optical Tunable Filters; Contents; Preface; Acknowledgements; Glossary of Abbreviations; Glossary of Symbols; 1. An Introduction to Optical Communication Systems; 1.1 Introduction; 1.2 Historical Progress; 1.3 Optical Fibre Communication Systems; 1.3.1 Intensity Modulation with a Direct Detection Scheme; 1.3.2 Coherent Detection Schemes; 1.4 System Requirements for High-Speed Optical Coherent Communication; 1.4.1 Spectral Purity Requirements; 1.4.2 Spectral Linewidth Requirements; 1.5 Summary; 1.6 References 327 $a2. Principles of Distributed Feedback Semiconductor Laser Diodes: Coupled Wave Theory2.1 Introduction; 2.2 Basic Principle of Lasers; 2.2.1 Absorption and Emission of Radiation; 2.2.2 The Einstein Relations and the Concept of Population Inversion; 2.2.3 Dispersive Properties of Atomic Transitions; 2.3 Basic Principles of Semiconductor Lasers; 2.3.1 Population Inversion in Semiconductor Junctions; 2.3.2 Principle of the Fabry-Perot Etalon; 2.3.3 Structural Improvements in Semiconductor Lasers; 2.3.4 Material Gain in Semiconductor Lasers 327 $a2.3.5 Total Radiative Recombination Rate in Semiconductors2.4 Coupled Wave Equations in Distributed Feedback Semiconductor Laser Diodes; 2.4.1 A Purely Index-coupled DFB Laser Diode; 2.4.2 A Mixed-coupled DFB Laser Diode; 2.4.3 A Gain-coupled or Loss-coupled DFB Laser Diode; 2.5 Coupling Coefficient; 2.5.1 A Structural Definition of the Coupling Coefficient for DFB Semiconductor Lasers; 2.5.2 The Effect of Corrugation Shape on Coupling Coefficient; 2.5.3 Transverse Field Distribution in an Unperturbed Waveguide; 2.5.4 Results Based upon the Trapezoidal Corrugation; 2.6 Summary; 2.7 References 327 $a3. Structural Impacts on the Solutions of Coupled Wave Equations: An Overview3.1 Introduction; 3.2 Solutions of the Coupled Wave Equations; 3.3 Solutions of Complex Transcendental Equations using the Newton-Raphson Approximation; 3.4 Concepts of Mode Discrimination and Gain Margin; 3.5 Threshold Analysis of a Conventional DFB Laser; 3.6 Impact of Corrugation Phase at Laser Facets; 3.7 The Effects of Phase Discontinuity along the DFB Laser Cavity; 3.7.1 Effects of Phase Shift on the Lasing Characteristics of a 1PS DFB Laser Diode 327 $a3.7.2 Effects of Phase Shift Position (PSP) on the Lasing Characteristics of a 1PS DFB Laser Diode3.8 Advantages and Disadvantages of QWS DFB Laser Diodes; 3.9 Summary; 3.10 References; 4. Transfer Matrix Modelling in DFB Semiconductor Lasers; 4.1 Introduction; 4.2 Brief Review of Matrix Methods; 4.2.1 Formulation of Transfer Matrices; 4.2.2 Introduction of Phase Shift (or Phase Discontinuity); 4.2.3 Effects of Finite Facet Reflectivities; 4.3 Threshold Condition for the N-Sectioned Laser Cavity; 4.4 Formulation of the Amplified Spontaneous Emission Spectrum using the TMM 327 $a4.4.1 Green's Function Method Based on the Transfer Matrix Formulation 330 $aAdvances in optical fibre based communications systems have played a crucial role in the development of the information highway. By offering a single mode oscillation and narrow spectral output, distributed feedback (DFB) semiconductor laser diodes offer excellent optical light sources as well as optical filters for fibre based communications and dense wavelength division multiplexing (DWDM) systems. This comprehensive text focuses on the basic working principles of DFB laser diodes and optical filters and details the development of a new technique for enhanced system performance.Consi 606 $aLight emitting diodes 606 $aSolid-state lasers 606 $aTunable lasers 606 $aLight filters 615 0$aLight emitting diodes. 615 0$aSolid-state lasers. 615 0$aTunable lasers. 615 0$aLight filters. 676 $a621.36/6 700 $aGhafouri-Shiraz$b H$0845590 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9911019535603321 996 $aDistributed feedback laser diodes and optical tunable filters$94422583 997 $aUNINA