Semiconductor Laser
Engineering, Reliability
and Diagnostics
Semiconductor Laser
Engineering, Reliability
and Diagnostics
A Practical Approach to
High Power and Single Mode Devices
Peter W. Epperlein
A John Wiley & Sons, Ltd., Publication
This edition first published 2013
C
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Library of Congress Cataloging-in-Publication Data
Epperlein, Peter W.
Semiconductor laser engineering, reliability, and diagnostics : a practical approach to high power and
single mode devices / Peter W. Epperlein.
pages cm
Includes bibliographical references and index.
ISBN 978-1-119-99033-8 (hardback)
1. Semiconductor lasers. I. Title.
TA1700.E67 2013
621.36 61–dc23
2012025789
A catalogue record for this book is available from the British Library.
Print ISBN: 978-1-119-99033-8
Typeset in 10/12pt Times by Aptara Inc., New Delhi, India
To Eleonore
My beloved wife and closest friend
With deep gratitude and affection
Contents
Preface
About the author
xix
xxiii
PART 1
DIODE LASER ENGINEERING
Overview
1
Basic diode laser engineering principles
Introduction
1.1 Brief recapitulation
1.1.1 Key features of a diode laser
1.1.1.1 Carrier population inversion
1.1.1.2 Net gain mechanism
1.1.1.3 Optical resonator
1.1.1.4 Transverse vertical confinement
1.1.1.5 Transverse lateral confinement
1.1.2 Homojunction diode laser
1.1.3 Double-heterostructure diode laser
1.1.4 Quantum well diode laser
1.1.4.1 Advantages of quantum well heterostructures for
diode lasers
Wavelength adjustment and tunability
Strained quantum well lasers
Optical power supply
Temperature characteristics
1.1.5 Common compounds for semiconductor lasers
1.2 Optical output power – diverse aspects
1.2.1 Approaches to high-power diode lasers
1.2.1.1 Edge-emitters
1.2.1.2 Surface-emitters
1.2.2 High optical power considerations
1.2.2.1 Laser brightness
1.2.2.2 Laser beam quality factor
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