V. A. Kuz'menko
The physical nature of numerous of the nonlinear phenomena in optics is explained by inequality of forward and reversed optical transitions, that corresponds to a principle of time invariance violation in electromagnetic interactions. The direct and indirect experimental proofs of such inequality and direction of the further researches are discussed.
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Connection between the concept of entanglement and origin of nonlinear phenomena in optics is discussed.
During the last decade, new unusual physical phenomena in studies on the optics of dielectric mesoscale particles of arbitrary three dimensional shape and gratings with Mie size parameter q ~ 10 have been discovered. The report provides a brief overview of these phenomena from optics to terahertz, plasmonic and acoustic . We also discuss different particle configurations (isolated or interacting, Janus) and draw a brief overview of the possible applications of such mesoscale structures, in connection with field enhancement, nanoparticles manipulation and super resolution imaging. The presence …
In this paper, the crossing symmetry of the photons, from spontaneous parametric down conversion (SPDC) phenomena in nonlinear crystals, is used for the development of a new geometric optics based on quantum kinematic correlations. On this basis, a new interpretation of the recent results on the two photon entangled experiment is obtained. A new field of applications is suggested.
Novel nonlinear optical phenomena - photonic flame effect (PFE) and stimulated globular scattering (SGS) are discussed.PFE consisted in the appearance of the few seconds duration emission in blue-green spectral range under 20 ns ruby laser pulse excitation and simultaneous excitation of several spatially separated synthetic opal crystalls situated on the Cu plate. SGS was observed both in forward and backward directions. Spectral and energetical SGS characteristics were measured.
Fundamental principles and applications of nonlinear optical phenomena in classical and quantum electrodynamics
本文针对微纳技术领域中非线性光学现象的应用需求，阐述了非线性光学材料与系统的一般特性，重点研究了参量放大、带泵浦耗尽的倍频、光量子噪声及参量荧光等内容。
Using sum rules and a new dipole-free sum-over-states expression, we calculate the fundamental limits of the dispersion of the real and imaginary parts of all electronic nonlinear-optical susceptibilities. As such, these general results can be used to study any nonlinear optical phenomena at any wavelength, making it possible to push both applications and our understanding of such processes to the limits. These results reveal the ultimate constraints imposed by nature on our ability to control and use light.
Interference effects in quantum transitions, giving rise to amplification without inversion, optical transparency and to enhancements in nonlinear optical frequency conversions are considered. Review of the relevant early theoretical and experimental results is given. The role of relaxation processes, spontaneous cascade of polarizations, local field effects, Doppler-broadening, as well as specific features of the interference in the spectral continuum are discussed.
Illustrating Special-Relativity Phenomena via Gaussian Ray Optics
本文通过高斯光学展示狭义相对论现象，利用发散透镜的光线行为对应洛伦兹变换，提供新颖的光学等价解释。
Recent years have seen increased interest to plasmonic enhancement of nonlinear optical effects, yet there remains an uncertainty of what are the limits of this enhancement. We present a simple and physically transparent theory of plasmonic enhancement of third order nonlinear optical processes achieved in plasmonic structures and show that while huge enhancement of effective nonlinear index can be attained, the most relevant figure of merit, the of phase shift per one absorption length remains very low. This means that while on one hand nonlinear plasmonic materials are not well suitable for …
Optical Feedback Loop in Paraxial Fluids of Light: A Gate to new phenomena in analogue physical simulations
针对近轴光流体因介质长度有限限制可观测类量子现象的问题，提出基于波前整形的光反馈环方法，重建并重注入光学态以拓展动力学研究范围，为观测新现象铺路。
As quantum optical phenomena are based on Maxwell's equations, and it is becoming important to understand quantum optical phenomena at short distances, so it is important to analyze quantum optics using short distance corrected Maxwell's equation. Maxwell's action can be obtained from quantum electrodynamics using the framework of effective field theory, and so the leading order short distance corrections to Maxwell's action can also be obtained from the derivative expansion of the same effective field theory. Such short distance corrections will be universal for all quantum optical systems, a…
Optics of Plasmon-Exciton Nanostructures: Theoretical Models and Physical Phenomena in Metal/J-aggregate Systems
本文综述了金属/J-聚集体混合纳米结构中等离激元-激子耦合的光学现象，涵盖弱、强和超强耦合下的理论模型与光谱行为，并讨论了尺寸、各向异性及多层结构的影响。
Frequency-resolved microscopic current density analysis of linear and nonlinear optical phenomena in solids
本研究提出固体电子动力学的频率分辨微观电流密度分析方法，结合含时密度泛函理论第一性原理模拟，可有效捕捉金属、半导体和绝缘体中不同电子的特性，为线性与非线性光学现象的微观研究提供新手段。
The experimental proofs of strong time invariance violation in optics are discussed. Time noninvariance is the only real physical base for explanation the origin of the most phenomena in nonlinear optics. The experimental study of forward and reversed transitions in oriented in uniform electric field molecules is proposed.
On the origin of the Kerker phenomena
本文通过分析Kerker等人1983年报告的现象，揭示了阻抗匹配与折射率匹配条件与时空对称性的关系，并利用庞加莱群表示理论推导出电磁波在介质中的基本特性。
We consider some nonlinear phenomena in metamaterials with negative refractive index properties. Our consideration includes a survey of previously known results as well as identification of the phenomena that are important for applications of this new field. We focus on optical behavior of thin films as well as multi-wave interactions.
Nonlinear Optics: a look from the interaction time viewpoint and what it portends
本文从相互作用时间视角提出非线性光学现象主要由光子与物质相互作用时长决定，解释了非线性材料进展缓慢的原因，并提出了提升非线性光学效率的初步路线。
Topological defects play a key role in a variety of physical systems, ranging from high-energy to solid state physics. They yield fascinating emergent phenomena and serve as a bridge between the microspic and macroscopic world. A skyrmion is a unique type of topological defect, showing great promise for applications in the fields of magnetic storage and spintronics. Here, we discover and observe optical skyrmion lattices that can be easily created and controlled, while illustrating their robustness to imperfections. Optical skyrmions are experimentally demonstrated by interfering surface plasm…
Non-trivial Bifocal and Optical Vortex Generation of DNG Materials Unveiled by Generalized Transfer Matrix Method and Matrix Fourier Optics
本研究提出结合广义传输矩阵法与矩阵傅里叶光学的新方法，高效追踪光束在双各向异性介质中的传播，并首次揭示双负超材料中的非平凡双焦点效应与光学涡旋产生及聚焦现象。
An introduction to nonlinear fiber optics and optical analogues to gravitational phenomena
本文介绍了非线性光纤光学及引力现象的类比研究，推导了非线性薛定谔方程并讨论了光学霍金效应和黑洞振荡的类比模型。
Dispersive shock waves are fascinating phenomena occurring when nonlinearity overwhelms linear effects, such as dispersion and diffraction. Many features of shock waves are still under investigation, as the interplay with noninstantaneity in temporal pulses transmission and nonlocality in spatial beams propagation. Despite the rich and vast literature on nonlinear waves in optical Kerr media, spatial dispersive shock waves in nonlocal materials deserve further attention for their unconventional properties. Indeed, they have been investigated in colloidal matter, chemical physics and biophotoni…
The interplay of such cornerstones of modern nonlinear fiber optics as a nonlinearity, stochasticity and polarization leads to variety of the noise induced instabilities including polarization attraction and escape phenomena harnessing of which is a key to unlocking the fiber optic systems specifications required in high resolution spectroscopy, metrology, biomedicine and telecommunications. Here, by using direct stochastic modeling, the mapping of interplay of the Raman scattering-based nonlinearity, the random birefringence of a fiber, and the pump-to-signal intensity noise transfer has been…
This is a part of an overview of my early studies on nonlinear spin-phonon dynamics in solid state optical-wavelength phonon lasers (phasers) started in 1984. The main goal of this work is a short description and a qualitative analysis of experimental data on low-frequency nonlinear resonances revealed in a nonautonomous ruby phaser. Under phaser pumping modulation near these resonances, an unusual kind of self-organized motions in the ruby spin-phonon system was observed by me in 1984 for the first time. The original technique of optical-wavelength microwave-frequency acoustic stimulated emis…
Harnessing Complexity: Nonlinear Optical Phenomena in L-Shapes, Nanocrescents, and Split-Ring Resonators
本文系统研究了C2v对称等离激元纳米粒子（L形、新月形、开口环）的线性和非线性光学响应，通过FDTD和流体动力学模型揭示SHG与THz产生特性，并提出解析理论验证。
The damped driven nonlinear Schrödinger equation (NLSE) has been used to understand a range of physical phenomena in diverse systems. Studying this equation in the context of optical hyper-parametric oscillators in anomalous-dispersion dissipative cavities, where NLSE is usually referred to as the Lugiato-Lefever equation (LLE), we are led to a new, reduced nonlinear oscillator model which uncovers the essence of the spontaneous creation of sharply peaked pulses in optical resonators. We identify attracting solutions for this model which correspond to stable cavity solitons and Turing patterns…
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