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This reference book provides a fully integrated novel approach to the development of high-power, single-transverse mode, edge-emitting diode lasers by addressing the complementary topics of device engineering, reliability engineering and device diagnostics in the same book, and thus closes the gap in the current book literature.
Diode laser fundamentals are discussed, followed by an elaborate discussion of problem-oriented design guidelines and techniques, and by a systematic treatment of the origins of laser degradation and a thorough exploration of the engineering means to enhance the optical strength of the laser. Stability criteria of critical laser characteristics and key laser robustness factors are discussed along with clear design considerations in the context of reliability engineering approaches and models, and typical programs for reliability tests and laser product qualifications. Novel, advanced diagnostic methods are reviewed to discuss, for the first time in detail in book literature, performance- and reliability-impacting factors such as temperature, stress and material instabilities.
Further key features include:
practical design guidelines that consider also reliability related effects, key laser robustness factors, basic laser fabrication and packaging issues;
detailed discussion of diagnostic investigations of diode lasers, the fundamentals of the applied approaches and techniques, many of them pioneered by the author to be fit-for-purpose and novel in the application;
systematic insight into laser degradation modes such as catastrophic optical damage, and a wide range of technologies to increase the optical strength of diode lasers;
coverage of basic concepts and techniques of laser reliability engineering with details on a standard commercial high power laser reliability test program.
Semiconductor Laser Engineering, Reliability and Diagnostics reflects the extensive expertise of the author in the diode laser field both as a top scientific researcher as well as a key developer of high-power highly reliable devices. With invaluable practical advice, this new reference book is suited to practising researchers in diode laser technologies, and to postgraduate engineering students.
Autorentext
Dr. Peter W. Epperlein is Technology Consultant with his own semiconductor technology consulting business Pwe-PhotonicsElectronics-IssueResolution in the UK. He looks back at a thirty years career in cutting edge photonics and electronics industries with focus on emerging technologies, both in global and start-up companies, including IBM, Hewlett-Packard, Agilent Technologies, Philips/NXP, Essient Photonics and IBM/JDSU Laser Enterprise. He holds Pre-Dipl. (B.Sc.), Dipl. Phys. (M.Sc.) and Dr. rer. nat. (Ph.D.) degrees in physics, magna cum laude, from the University of Stuttgart, Germany.
Dr. Epperlein is an internationally recognized expert in compound semiconductor and diode laser technologies. He has accomplished R&D in many device areas such as semiconductor lasers, LEDs, optical modulators, quantum well devices, resonant tunneling devices, FETs, and superconducting tunnel junctions and integrated circuits. His pioneering work on sophisticated diagnostic research has led to many world's first reports and has been adopted by other researchers in academia and industry. He authored more than seventy peer-reviewed journal papers, published more than ten invention disclosures in the IBM Technical Disclosure Bulletin, has served as reviewer of numerous proposals for publication in technical journals, and has won five IBM Research Division Awards. His key achievements include the design and fabrication of high-power, highly reliable, single mode diode lasers.
Klappentext
Semiconductor Laser Engineering, Reliability and Diagnostics
A Practical Approach to High Power and Single Mode Devices This reference book provides a fully integrated novel approach to the development of high-power, single-transverse mode, edge-emitting diode lasers by addressing the complementary topics of device engineering, reliability engineering and device diagnostics in the same book, and thus closes the gap in the current book literature. Diode laser fundamentals are discussed, followed by an elaborate discussion of problem-oriented design guidelines and techniques, and by a systematic treatment of the origins of laser degradation and a thorough exploration of the engineering means to enhance the optical strength of the laser. Stability criteria of critical laser characteristics and key laser robustness factors are discussed along with clear design considerations in the context of reliability engineering approaches and models, and typical programs for reliability tests and laser product qualifications. Novel, advanced diagnostic methods are reviewed to discuss, for the first time in detail in book literature, performance- and reliability-impacting factors such as temperature, stress and material instabilities. Further key features include:
Inhalt
Preface xix
About the author xxiii
Part 1 Diode Laser Engineering 1
Overview 1
1 Basic diode laser engineering principles 3
Introduction 4
1.1 Brief recapitulation 4
1.1.1 Key features of a diode laser 4
1.1.1.1 Carrier population inversion 4
1.1.1.2 Net gain mechanism 6
1.1.1.3 Optical resonator 9
1.1.1.4 Transverse vertical confinement 11
1.1.1.5 Transverse lateral confinement 12
1.1.2 Homojunction diode laser 13
1.1.3 Double-heterostructure diode laser 15
1.1.4 Quantum well diode laser 17
1.1.4.1 Advantages of quantum well heterostructures for diode lasers 22
Wavelength adjustment and tunability 22
Strained quantum well lasers 23
Optical power supply 25
Temperature characteristics 26
1.1.5 Common compounds for semiconductor lasers 26
1.2 Optical output power diverse aspects 31
1.2.1 Approaches to high-power diode lasers 31
1.2.1.1 Edge-emitters 31
1.2.1.2 Surface-emitters 33
1.2.2 High optical power considerations 35
1.2.2.1 Laser brightness 36
1.2.2.2 Laser beam quality factor *M*2 36
1.2.3 Power limitations 37
1.2.3.1 Kinks 37
1.2.3.2 Rollover 38
1.2.3.3 Catastrophic optical damage 38
1.2.3.4 Aging 39
1.2.4 High power versus reliability tradeoffs 39
1.2.5 Typical and record-high cw optical output powers 40
1.2.5.1 Narrow-stripe, single spatial mode lasers 40
1.2.5.2 Standard 100 m wide aperture single emitters 42
1.2.5.3 Tapered amplifier lasers 43
1.2.5.4 Standard 1 cm diode laser bar arrays 44
1.3 Selected relevant basic diode laser characteristics 45
1.3.1 Threshold gain 45
1.3.2 Material gain spectra 46
1.3.2.1 Bulk double-heterostructure laser 46
1.3.2.2 Quantum wel…