Comprehensive resource covering concepts, perspectives, and skills required to understand the preparation, nonlinear optics, and applications of two-dimensional (2D) materials

Bringing together many interdisciplinary experts in the field of 2D materials with their applications in nonlinear optics,Two-Dimensional Materials for Nonlinear Optics covers preparation methods for various novel 2D materials, such as transition metal dichalcogenides (TMDs) and single elemental 2D materials, excited-state dynamics of 2D materials behind their outstanding performance in photonic devices, instrumentation for exploring the photoinduced excited-state dynamics of the 2D materials spanning a wide time scale from ultrafast to slow, and future trends of 2D materials on a series of issues like fabrications, dynamic investigations, and photonic/optoelectronic applications. Powerful nonlinear optical characterization techniques, such as Z-scan measurement, femtosecond transient absorption spectroscopy, and microscopy, are also introduced.

Edited by two highly qualified academics with extensive experience in the field,Two-Dimensional Materials for Nonlinear Optics covers sample topics such as:Foundational knowledge on nonlinear optical properties, and fundamentals and preparation methods of 2D materials with nonlinear optical propertiesModulation and enhancement of optical nonlinearity in 2D materials, and nonlinear optical characterization techniques for 2D materials and their applications in a specific fieldNovel nonlinear optical imaging systems, ultrafast time-resolved spectroscopy for investigating carrier dynamics in emerging 2D materials, and transient terahertz spectroscopy2D materials for optical limiting, saturable absorber, second and third harmonic generation, nanolasers, and space use

With collective insight from researchers in many different interdisciplinary fields,Two-Dimensional Materials for Nonlinear Optics is an essential resource for materials scientists, solid state chemists and physicists, photochemists, and professionals in the semiconductor industry who are interested in understanding the state of the art in the field.

Qiang Wang, PhD, is Professor in the College of Chemistry and Chemical Engineering, Lanzhou University, China. His current research interests include nonlinear optics and ultrafast spectroscopy.

Hao-Li Zhang, PhD, is Professor in the College of Chemistry and Chemical Engineering, Lanzhou University, China. His current research interests include nonlinear optics, organic semiconductors for optoelectronics and single-molecule electronics.

Preface xiii

List of Abbreviations xv

1 Preparation of 2D Materials 1
Yue Tang and Hua Xu

1.1 Mechanical Exfoliation of 2D Materials 2

1.2 Liquid-Phase Exfoliation of 2D Materials 4

1.3 Chemical Vapor Deposition Growth of 2D Materials 6

1.4 CVD Growth ofWafer-Scale Single Crystal 2D Materials 8

1.5 Thickness Control in CVD Growth of 2D Materials 10

1.6 Phase Control in CVD Growth of 2D Materials 12

1.7 Summary and Prospect 14

2 An Introduction to the Nonlinear Optical Properties of 2D Materials 21
Bolong Wang and Hao-Li Zhang

2.1 Introduction 21

2.2 Nonlinear Optics of 2D Materials 22

2.3 Application of 2D Nonlinear Materials 35

2.4 Prospect 43

3 Modulation and Enhancement of Optical Nonlinearity in 2D Materials 55
Xinglin Wen and Qihua Xiong

3.1 Introduction 55

3.2 Nonlinear Optics in 2D Materials 57

3.3 Nonlinearity Modulation in 2D Materials 60

4 Characterizing the Nonlinear Optical Properties of 2D Materials by Double 4f Nonlinear Imaging System with Phase Object and Four-Wave-Mixing Microscopy 87
Zhongguo Li and Yinglin Song

4.1 Introduction 87

4.2 Principle of NLO Measurement Technique 88

4.3 Characterizing NLO Response of 2D Materials via Double 4f Nonlinear Imaging System with Phase Object (NIT-PO) Microscopy 91

4.4 Characterizing NLO Response of 2D Materials via Four-Wave-Mixing Microscopy 95

4.5 Outlook and Perspective 97

5 Ultrafast Carrier Dynamics in Emerging 2D Materials 103
Jiawei Huang, Ningning Dong, and Jun Wang

5.1 Introduction 103

5.2 Ultrafast Time-Resolved Spectroscopy 104

5.3 Ultrafast Optics in van derWaals 2D Materials 109

5.4 Ultrafast Optics in Emerging Quasi-2D Materials 118

5.5 Perspectives on Ultrafast Optics for 2D Material 124

6 Transient Terahertz Spectroscopy for 2D Materials 131
Jingyin Xu, Kai Zhang, Hong Li, and Tianwu Wang

6.1 Introduction 131

6.2 Generation and Detection of THz Radiation 132

6.3 Nanoscale THz Scanning Probe Microscopy of 2D Materials 149

6.4 Perspectives 154

7 Graphene Glass for Nonlinear Optics 163
Qi Xiao, Jingyu Sun, and Hao-Li Zhang

7.1 Light Absorption of Graphene 163

7.2 Nonlinear Optical Properties of Graphene 164

7.3 Nonlinear Optical Properties of Graphene Glass 167

7.4 Perspectives 179

8 2D Materials for Nonlinear Optical Limiting 185
Wen Shang, Bolong Wang, and Qiang Wang

8.1 Introduction 185

8.2 Nonlinear Optical Limiting Mechanism 186

8.3 2D Materials for Optical Limiting 189

8.4 Conclusions and Prospects 209

9 The Saturable Absorbers Based on 2D Materials 221
Xin-Hai Yan, Lei Zhang, and Kai-Ge Zhou

9.1 Introduction 221

9.2 The Fundaments in the 2D Materials-Based Saturable Absorbers 222

9.3 The Family of 2D Material-Based Saturable Absorbers 225

9.4 Applications 239

9.5 Perspectives and Outlook 248

10 Second-Harmonic and Third-Harmonic Generations in 2D Layered Materials 257
Xudong Jin and Min Zhao

10.1 Introduction 257

10.2 Conclusions and Outlook 274

11 2D Perovskites for Nanolasers 281
Wei Yuan and Chuanjiang Qin

11.1 Introduction 281

11.2 Laser Formation Principle and Performance Parameters 283

11.3 The Application of 2D Perovskites in Nanolasers 286

11.4 Prospect 299

12 2D Materials for Space Use 303
Shuyan Wang and Qiang Wang

12.1 Introduction 303

12.2 Space Radiation and Two-Dimensional Materials 305

12.3 2D Materials for Space Use 309

12.4 Perspectives 321

Acknowledgment 322

References 322

Index 333