Parity-time (PT)-symmetric Closed-form quadrimer waveguides with focusing and defocusing nonlinearity

机译：奇偶时间（PT）对称的具有聚焦和散焦非线性的封闭形式四边形波导

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In the present work, a PT-symmetric closed-form quadrimer waveguides system has been considered. We observe the saturation of the optical powers in the gain-guides in nonlinear regime under the coupling scheme considered. Moreover, we also find that accumulation of optical powers in the g-r parametric space ('g' is the gain/loss parameter, 'r nonlinearity co-efficient) in the different waveguides significantly depends on the nature (i.e. focusing or defocusing) and the strength of nonlinearity and gain/loss profile. The potential applications of this quadrimer system might be in generating high constant-power optical sources.

机译：在当前的工作中，已经考虑了PT对称的封闭形式的四边形波导系统。在所考虑的耦合方案下，我们观察了非线性状态下增益导轨中光功率的饱和。此外，我们还发现，不同波导中gr参数空间中光功率的累积（“ g”是增益/损耗参数，“ r非线性系数”）在很大程度上取决于性质（即聚焦或散焦），并且非线性强度和增益/损耗曲线。这种四边形系统的潜在应用可能是产生高恒定功率的光源。

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《International Conference on Optics and Photonics 2015》|2015年|96541Y.1-96541Y.6|共6页
会议地点 Kolkata(IN)
作者
Samit Kumar Gupta; Amarendra K. Sarma;
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作者单位

Dept. of Physics, Indian Institute of Technology Guwahati, Guwahati-781 039, Assam, India;

Dept. of Physics, Indian Institute of Technology Guwahati, Guwahati-781 039, Assam, India;

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Parity-time symmetry; quadrimer waveguides; focusing and defocusing nonlinearity;

机译：奇偶时间对称；方形波导；聚焦和散焦非线性;

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专利

1. Nonlinear parity-time symmetric closed-form optical quadrimer waveguides: attractor perspective [J] . Gupta Samit Kumar, Deka Jyoti P., Sarma Amarendra K. The European physical journal, D. Atomic, molecular, and optical physics . 2015,第8期

机译：非线性奇偶时间对称闭合形式的四边形光波导：吸引子的角度
2. Defect solitons in parity-time symmetric optical lattices with self-defocusing nonlinearity [J] . Sumei Hu, Wei Hu Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter . 2013,第Null期

机译：具有自散焦非线性的奇偶时间对称光学晶格中的缺陷孤子
3. Optical solitons in media with focusing and defocusing saturable nonlinearity and a parity-time-symmetric external potential [J] . Li Pengfei, Mihalache Dumitru, Malomed Boris A. Philosophical transactions of the Royal Society. Mathematical, physical, and engineering sciences . 2018,第2124期

机译：具有聚焦和散焦可饱和非线性的介质中的光学孤子和奇偶校正时对称的外部电位
4. Parity-time (PT)-symmetric Closed-form quadrimer waveguides with focusing and defocusing nonlinearity [C] . Samit Kumar Gupta, Amarendra K. Sarma Modeling Aspects in Optical Metrology . 2015

机译：具有聚焦和散焦非线性的奇偶校验时间（PT） - 对称闭合型四边形波导
5. Discrete parity-time symmetric nonlinear Schrodinger lattices. [D] . Li, Kai. 2014

机译：离散奇偶时间对称非线性Schrodinger晶格。
6. Optical solitons in media with focusing and defocusing saturable nonlinearity and a parity-time-symmetric external potential [O] . Pengfei Li, Dumitru Mihalache, Boris A. Malomed -1

机译：具有聚焦和散焦饱和非线性和奇偶时间对称外部电势的介质中的光孤子
7. Spatial solitons and stability in self-focusing and defocusing Kerr nonlinear media with generalized PT-symmetric Scarff-II potentials [O] . Yan, Zhenya, Wen, Zichao, Hang, Chao 2015

机译：空间孤子和自聚焦和散焦的稳定性Kerr 具有广义pT对称scarff-II势的非线性介质
8. Induced Focusing of Optical Beams in Self-Defocusing Nonlinear Media [R] . Agrawal, G. P. 1990

机译：自聚焦非线性介质中光束的诱导聚焦

Parity-time (PT)-symmetric Closed-form quadrimer waveguides with focusing and defocusing nonlinearity

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