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This book systematically introduces the single frequency semiconductor laser, which is widely used in many vital advanced technologies, such as the laser cooling of atoms and atomic clock, high-precision measurements and spectroscopy, coherent optical communications, and advanced optical sensors. It presents both the fundamentals and characteristics of semiconductor lasers, including basic F-P structure and monolithic integrated structures; interprets laser noises and their measurements; and explains mechanisms and technologies relating to the main aspects of single frequency lasers, including external cavity lasers, frequency stabilization technologies, frequency sweeping, optical phase locked loops, and so on. It paints a clear, physical picture of related technologies and reviews new developments in the field as well. It will be a useful reference to graduate students, researchers, and engineers in the field.

Single Frequency Semiconductor Lasers

Chapter 1 Introduction

1.1 Historical Review of Semiconductor Lasers

1.2 Single Frequency Semiconductor Laser and Itas Applications

1.3 Outline of the Chapters

References

Chapter 2 Characteristics of Semiconductor Laser

2.1 Basic Principle of Semiconductor Laser

2.2 Characteristics of Output Power

2.3 Transverse Structure and Transverse Modes

2.4 Longitudinal Modes

2.5 Modulation Characteristics by Injection Current

2.6 Thermal Characteristics

References

Chapter 3 Linewidth and Noise of Semiconductor Laser

3.1 Mechanisms of Semiconductor Laser Noises and Their Characterization

3.2 Linewidth of Single Frequency Semiconductor Lasers and Its Measurement

3.3 Intensity Noise and Frequency Noise in Low Frequency Ranges

3.4 Frequency Stability and Allen Deviation

References

Chapter 4 Monolithic Single Frequency Semiconductor Lasers

4.1 Distributed Feedback Semiconductor Lasers

4.2 Distributed Bragg Reflector Semiconductor Lasers

4.3 Vertical Cavity Surface Emitting Semiconductor Lasers

References

Chapter 5 External Cavity Semiconductor Lasers

5.1 Properties of External Cavity Semiconductor Laser

5.2 Planar Grating External Cavity Semiconductor Lasers

5.3 Bragg Grating External Cavity Semiconductor Lasers

References

Chapter 6 Frequency Stabilization of Semiconductor Lasers

6.1 Brief introduction to Saturated Absorption Spectroscopy

6.2 Frequency Stabilization by Spectral Modulation

6.3 Frequency Stabilization Without Modulation

6.4 Pound-Drever-Hall Frequency Stabilization

References

Chapter 7 Frequency Sweeping

7.1 Tuning by Current Modulation and Linearization of Sweeping

7.2 Tuning and Sweeping by Inner-Cavity Components

7.3 Tuning

and Sweeping by Out-Cavity Components

References

Chapter 8 Frequency Translation and Optical Phase Locked Loop

8.1 Basic Principle of Optical Phase Lock Loop

8.2 Applications of Optical Phase Lock Loop

8.3 Optical Frequency Comb and Its Applications in Spectroscopy

References

Chapter 9 Applications of Single Frequency Semiconductor Lasers

9.1 Applications in Cooled Atomic Physics and Technology

9.2 Applications in Optical Communications

9.3 Applications in Optical Sensing and Spectroscopy

9.4 Applications in Lidar

References

Index