Govind Agrawal

Long-Wavelength Semiconductor Lasers

• Broschiertes Buch

Produktbeschreibung

Since its invention in 1962, the semiconductor laser has come a long way. Advances in material purity and epitaxial growth techniques have led to a variety of semiconductor lasers covering a wide wavelength range of 0. 3- 100 ILm. The development during the 1970s of GaAs semiconductor lasers, emitting in the near-infrared region of 0. 8--0. 9 ILm, resulted in their use for the first generation of optical fiber communication systems. However, to take advantage of low losses in silica fibers occurring around 1. 3 and 1. 55 ILm, the emphasis soon shifted toward long-wavelength semiconductor lasers. The material system of choice in this wavelength range has been the quaternary alloy InGaAsP. During the last five years or so, the intense development effort devoted to InGaAsP lasers has resulted in a technology mature enough that lightwave transmission systems using InGaAsP lasers are currently being deployed throughout the world. This book is intended to provide a comprehensive account of long-wave length semiconductor lasers. Particular attention is paid to InGaAsP lasers, although we also consider semiconductor lasers operating at longer wave lengths. The objective is to provide an up-to-date understanding of semicon ductor lasers while incorporating recent research results that are not yet available in the book form. Although InGaAsP lasers are often used as an example, the basic concepts discussed in this text apply to all semiconductor lasers, irrespective of their wavelengths.

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Produktdetails

• Van Nostrand Reinhold Electrical/Computer Science and Engineering Series
• Verlag: Springer / Springer Netherlands
• Softcover reprint of the original 1st ed. 1986
• Seitenzahl: 492
• Erscheinungstermin: 12. Juni 2012
• Englisch
• Abmessung: 229mm x 152mm x 27mm
• Gewicht: 716g
• ISBN-13: 9789401169967
• ISBN-10: 9401169969
• Artikelnr.: 41323046

Inhaltsangabe

1. Introduction.- 1.1 Historical Perspective.- 1.2 Semiconductor Materials.- 1.3 Operating Principles.- 1.4 Optical Fiber Communications.- 1.5 Overview.- References.- 2. Basic Concepts.- 2.1 Introduction.- 2.2 Maxwell's Equations.- 2.3 Threshold Condition and Longitudinal Modes.- 2.4 Gain and Stimulated Emission.- 2.5 Waveguide Modes.- 2.6 Emission Characteristics.- References.- 3. Recombination Mechanisms in Semiconductors.- 3.1 Introduction.- 3.2 Radiative Recombination.- 3.3 Nonradiative Recombination.- 3.4 Experimental Results.- 3.5 Threshold Current Density.- 3.6 Temperature Dependence of Threshold Current.- References.- 4. Epitaxy and Material Parameters of InGaAsP.- 4.1 Introduction.- 4.2 Liquid-Phase Epitaxy.- 4.3 Vapor-Phase Epitaxy.- 4.4 Metal-Organic Vapor-Phase Epitaxy.- 4.5 Molecular-Beam Epitaxy.- 4.6 Lattice-Mismatch Effects.- 4.7 Material Parameters.- References.- 5. Laser Structures and Their Performance.- 5.1 Introduction.- 5.2 Broad-Area Lasers.- 5.3 Gain-Guided Lasers.- 5.4 Weakly Index Guided Lasers.- 5.5 Strongly Index Guided Lasers.- 5.6 Leakage Current.- 5.7 Laser Arrays.- 5.8 Surface-Emitting Lasers.- References.- 6. Rate Equations and Operating Characteristics.- 6.1 Introduction.- 6.2 Rate Equations.- 6.3 Steady-State Characteristics.- 6.4 Transient Response.- 6.5 Noise Characteristics.- 6.6 Modulation Response.- 6.7 External Optical Feedback.- References.- 7. Distributed-Feedback Semiconductor Lasers.- 7.1 Introduction.- 7.2 DFB Laser Structures.- 7.3 Theory.- 7.4 Performance.- 7.5 DBR Lasers.- 7.6 Transmission Experiments.- 7.7 Concluding Remarks.- References.- 8. Coupled-Cavity Semiconductor Lasers.- 8.1 Introduction.- 8.2 Coupled-Cavity Schemes.- 8.3 Theory.- 8.4 Operating Characteristics.- 8.5 Diverse Applications.- References.- 9.Quantum-Well Semiconductor Lasers.- 9.1 Energy Levels.- 9.2 Density of States.- 9.3 Experimental Observation of Confined States.- 9.4 Radiative Recombination.- 9.5 Auger Recombination.- 9.6 Single-Quantum-Well and Multiquantum-Well Lasers.- 9.7 Experimental Results.- 9.8 Modulation and Noise Characteristics.- References.- 10. Degradation and Reliability.- 10.1 Introduction.- 10.2 Defect Formation in the Active Region.- 10.3 Catastrophic Degradation.- 10.4 Degradation of Current Confining Junctions.- 10.5 Reliability Assurance.- References.- 11. Lead-Salt Semiconductor Lasers.- 11.1 Introduction.- 11.2 Materials and Physical Properties.- 11.3 Band Structure.- 11.4 Optical Gain.- 11.5 Auger Recombination.- 11.6 Laser Diode Fabrication.- 11.7 Laser Properties.- 11.8 Tuning Characteristics.- 11.9 Other Material Systems.- References.- Epilogue.