《四波混频相干控制（英文版）》讨论原子相干诱导的多能级原子系统中四波混频过程频率、时间与空间领域的相互作用。《四波混频相干控制（英文版）》涉及五个方面的内容：多能级多色激光相干产生的四波混频超快极化拍；色锁噪声场关联的拉曼－瑞利－布里渊增强极化拍；超薄、微米量级及长样品池中的不同类型双缀饰四波混频过程：多能级电磁感应透明介质中四波混频与六波混频时间空间干涉：探测场与四波混频场的空间移动与分裂以及四波混频信号中的带隙孤子串、旋转孤子以及多分量矢量孤子。《四波混频相干控制（英文版）》适合非线性光学领域的专家学者以及在校研究生和本科生学习参考。

1 Introduction
1.1 Nonlinear Susceptibility
1.2 Coherence Functions
1.3 Suppression and Enhancement of FWM Processes
1.4 Double Dressing Schemes of Probe and Four-Wave Mixing Fields
1.5 Spatial Optical Modulation via Kerr Nonlinearities
1.6 Formations and Dynamics of Novel Spatial Solitons
References
2 Ultrafast Polarization Beats of Four-Wave Mixing Processes
2.1 Four-level Polarization Beats with Broadband Noisy Light
2.1.1 Basic Theory
2.1.2 FLPB in a Doppler-broadened System
2.1.3 Photon-echo
2.1.4 Experiment and Result
2.2 Ultrafast Sum-frequency Polarization Beats in Twin Markovian Stochastic Correlation
2.2.1 Basic Theory
2.2.2 Second-order Stochastic Correlation of ASPB
2.2.3 Fourth-order Stochastic Correlation of ASPB
References
3 Raman, Rayleigh and Brillouin-enhanced FWM Polarization Beats
3.1 Attosecond Sum-frequency Raman-enhanced Polarization Beats Using Twin Phase-sensitive Color Locking Noisy Lights
3.1.1 Basic Theory of Attosecond Sum-frequency REPB
3.1.2 Homodyne Detection of Sum-frequency REPB
3.1.3 Heterodyne Detection of Difference-frequency REPB
3.2 Competition Between Raman and Rayleigh-enhanced Four-Wave Mixings in Attosecond Polarization Beats
3.2.1 Basic Theory
3.2.2 Stochastic Correlation Effects of Rayleigh and Raman-enhanced FWM
3.2.3 The Raman and Rayleigh-enhanced Nonlinear Susceptibility in cw Limit
3.2.4 Homodyne Detection of ASPB
3.2.5 Heterodyne Detection of ASPB
3.2.6 Discussion and Conclusion
3.3 Coexisting Brillouin, Rayleigh and Raman-enhanced Four-Wave Mixings
3.3.1 Basic Theory
3.3.2 Homodyne Detection of ASPB
3.3.3 Heterodyne Detection of ASPB
3.3.4 Phase Angle
3.3.5 Discussion and Conclusion
References
4 Multi-Dressing Four-Wave Mixing Processes in Confined and Non-confined Atomic System
4.1 Temporal and Spatial Interference Between Four-Wave Mixing and Six-Wave Mixing Channels
4.2 Intermixing Between Four-Wave Mixing and Six-Wave Mixing in a Four-level Atomic System
4.2.1 Interplay Between FWM and SWM
4.2.2 Discussion
4.3 Coexistence of Four-Wave, Six-Wave and Eight-Wave Mixing Processes in Multi-dressed Atomic Systems
4.3.1 Parallel and Nested Dressing Schemes
4.3.2 Interplay Among Coexisting FWM, SWM and EWM Processes
4.4 Controlled Multi-Wave Mixing via Interacting Dark States in a Five-level System
4.4.1 Basic Theory
4.4.2 Numerical Results
4.4.3 Discussion
4.5 Polarization Interference of Multi-Wave Mixing in a Confined Five-level System
4.5.1 Basic Theory
4.5.2 MWM in Long Cells
4.5.3 MWM in Ultra-thin and Micrometer Cells
4.5.4 Discussion
References
5 Enhancement and Suppression in Four-Wave Mixing Processes
5.1 Interplay among Multi-dressed Four-Wave Mixing Processes
5.2 Observation of Enhancement and Suppression of Four-Wave Mixing Processes
5.3 Controlling Enhancement and Suppression of Four-Wave Mixing via Polarized Light
5.3.1 Theoretical Model and Analysis
5.3.2 Experimental Results
5.4 Enhancing and Suppressing Four-Wave Mixing in Electronm-genetically Induce Transparency Window References
6 Multi-Wave Mixing Processes in Multi-level Atomic System
6.1 Modulating Multi-Wave Mixing Processes via Polarizable Dark States
6.2 Polarization Spectroscopy of Dressed Four-Wave Mixing in a Three-level Atomic System
6.2.1 Various Nonlinear Susceptibilities for Different Polarization Schemes
6.2.2 Nonlinear Susceptibilities for Zeeman-degenerate System Interacting with Polarized Fields
6.2.3 Third-order Density-matrix Elements in Presence of Dressing Fields
6.3 Controlling FWM and SWM in Multi-Zeeman Atomic System with Electromagnetically Induced Transparency
6.3.1 Basic Theory
6.3.2 Dual-dressed EIT
6.3.3 Four-Wave Mixing
6.3.4 Six-Wave Mixing
References
7 Controlling Spatial Shift and Spltting of Four-Wave Mixing
7.1 Basic Theory
7.2 Electromagnetically-induced Spatial Nonlinear Dispersion of Four-Wave Mixing Beams
7.3 Spatial Dispersion Induced by Cross-phase Modulation
7.4 Experimental Demonstration of Optical Switching and Routing via Four-Wave Mixing Spatial Shift
7.4.1 Theoretical Model and Experimental Scheme
7.4.2 Optical Switching and Routing via Spatial Shift
7.5 Controlled Spatial Beamsplitter Using Four-Wave Mixing Images
7.6 Spatial Splitting and Intensity Suppression of Four-Wave Mixing in V-type Three-level Atomic System
References
8 Spatial Modulation of Four-Wave Mixing Solitons
8.1 Basic Theory
8.1.1 Calculation of Double Dressed Cross-Kerr Nonlinear Index of Refraction
8.1.2 Calculation of Analytical Solution of One-dimensional Bright and Dark Spatial Solitons
8.2 Novel Spatial Gap Solitons of Four-Wave Mixing
8.3 Dipole-mode Spatial Solitons of Four-Wave Mixing
8.4 Modulated Vortex Solitons of Four-Wave Mixing
References
Index