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Journal articles on the topic 'Harmonic generations'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Zhong, Qing, Junjie Feng, Gang Wang, and Haifeng Li. "Feedforward Harmonic Mitigation Strategy for Single-Phase Voltage Source Converter." Journal of Electrical and Computer Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/5909346.

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With the development of distributed generations (DGs), single-phase voltage source converter (SPVSC) has been widely used, but it brings about the problem of harmonic pollution to power grid. Hence, it is significant to explore the mechanism of harmonic injection from SPVSC and propose effective control strategies to mitigate the harmonic pollution. In this paper, a harmonic analysis model of SPVSC based on dynamic phasor (DP) has been established. With the model, the harmonics interaction between the ac side and the dc side can be analyzed with the consideration of the control strategies, whi

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2

Zulkifpeli, M. Z. K., R. Julius, and A.-B. M. A. Ibrahim. "Squeezing across two harmonic generations utilizing coupled nonlinear waveguide systems." Laser Physics 35, no. 3 (2025): 035203. https://doi.org/10.1088/1555-6611/adb4c9.

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Abstract This study investigates the squeezing properties of light across a two-octave system consisting of multichannel single-mode nonlinear waveguides with evanescent coupling. The focus is on the first, second, and fourth harmonics generation. We analyze different input combinations and coupling setups to gain insight into how they impact the level of squeezing. The results show that multiple initial inputs amplify the squeezing effect, while certain initialization setups help maintain squeezing at higher harmonic levels. When the waveguides are fully coupled in the first octave, there is

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3

ZHANG, F. S., F. WANG, and Y. ABE. "HARMONIC GENERATIONS OF CLUSTER Na2 IN ULTRASHORT INTENSE LASER PULSES." International Journal of Modern Physics B 19, no. 15n17 (2005): 2687–92. http://dx.doi.org/10.1142/s0217979205031535.

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In the framework of the time dependent local density approximation the harmonic generation of Na2 in ultrashort intense pulses is investigated. The coupling between harmonics and plasmons of Na 2 is discussed in detail with two laser frequencies 5.266 eV, which is double the resonance of the plasmon, and 1.124 eV, which is half the frequency of plasmons, and with two different peak intensities. One finds appearance of the third and the fifth harmonic generation at high ponderomotive potential.

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Manvelyan, M. K., M. A. Mkrtchyan, and H. A. Sarkisyan. "Second and Third Harmonic Generations in CdSe Nanoplatelets." Journal of Physics: Conference Series 2924, no. 1 (2024): 012017. https://doi.org/10.1088/1742-6596/2924/1/012017.

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Abstract The nonlinear optical properties (second and third harmonic generations) in CdSe nanoplatelets were theoretically studied. The energy spectra and wave functions of the hole in the considered system were calculated with the finite element numerical method. Quantum transitions are considered in the hole subband. The second and third harmonic generation coefficients were determined. The influence of the number of nanoplatelet monolayers on the character of the second and third harmonic generation coefficients has been studied.

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5

QIAO, H. X., Y. C. ZOU, and Z. J. ZHANG. "HIGH-ORDER HARMONIC GENERATION OF HYDROGEN IN INTENSE LASER FIELD AND STRONG MAGNETIC FIELD." International Journal of Modern Physics C 15, no. 04 (2004): 493–506. http://dx.doi.org/10.1142/s0129183104005899.

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An effective one-dimensional model approach combining time-dependent pseudospectral method and Taylor expansion [Haoxue Qiao et al., Phys. Rev. A65, 063403 (2002)] is generalized to study a real hydrogen atom in an intense laser field. High-order harmonic generations are calculated in several cases of different laser field parameters. The ionization probability is also calculated. The influence of the strong magnetic field on harmonic generations is investigated. It is found that the plateau of high harmonics can be extended by the magnetic field and the cutoff order increases with the increas

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6

Ontoseno, Penangsang, Daffa Cahyonoputra Muhammad, Fajar Uman Putra Dimas, Dzar Faraby Muhira, Sofyan Sofyan, and Muchtar Akhyar. "Determination of location and capacity of distributed generations with reconfiguration in distribution systems for power quality improvement." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 1 (2023): 28–38. https://doi.org/10.11591/ijece.v13i1.pp28-38.

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The use of non-linear loads and the integration of renewable energy in electricity network can cause power quality problems, especially harmonic distortion. It is a challenge in the operation and design of the radial distribution system. This can happen because harmonics that exceed the limit can cause interference to equipment and systems. This study will discuss the determination of the optimal location and capacity of distributed generation (DG) and network reconfiguration in the radial distribution system to improve the quality of electric power, especially the suppression of harmonic dist

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7

Penangsang, Ontoseno, Muhammad Daffa Cahyonoputra, Dimas Fajar Uman Putra, Muhira Dzar Faraby, Sofyan Sofyan, and Akhyar Muchtar. "Determination of location and capacity of distributed generations with reconfiguration in distribution systems for power quality improvement." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 1 (2023): 28. http://dx.doi.org/10.11591/ijece.v13i1.pp28-38.

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The use of non-linear loads and the integration of renewable energy in electricity network can cause power quality problems, especially harmonic distortion. It is a challenge in the operation and design of the radial distribution system. This can happen because harmonics that exceed the limit can cause interference to equipment and systems. This study will discuss the determination of the optimal location and capacity of distributed generation (DG) and network reconfiguration in the radial distribution system to improve the quality of electric power, especially the suppression of harmonic dist

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8

Zhan, You-bang. "Amplitude-cubed squeezing in harmonic generations." Physics Letters A 160, no. 6 (1991): 498–502. http://dx.doi.org/10.1016/0375-9601(91)91055-i.

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9

Feng, Liqiang, Yi Li, Fanshun Meng, Hang Liu, and R. S. Castle. "High-order harmonic and attosecond pulse generations from Rydberg state driven by the spatially inhomogeneous field." Modern Physics Letters B 31, no. 04 (2017): 1750029. http://dx.doi.org/10.1142/s0217984917500294.

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High-order harmonic spectra and attosecond pulse generation from Rydberg atom (He[Formula: see text]) driven by the spatially inhomogeneous field have been theoretically investigated. (i) Firstly, with an electron initially in a single excited Rydberg state (nth), the harmonic yield can be enhanced due to the decreased ionization potential, and a maximum enhancement can be obtained when the initial state is prepared as the third excited state (n = 3). However, the low cutoff energy from the excited state is unbeneficial to the generation of the higher photon pulse. Thus, with the further intro

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10

Chang, Gary W., Yu-Luh Lin, Yu-Jen Liu, Gary H. Sun, and Johnson T. Yu. "A Hybrid Approach for Time-Varying Harmonic and Interharmonic Detection Using Synchrosqueezing Wavelet Transform." Applied Sciences 11, no. 2 (2021): 752. http://dx.doi.org/10.3390/app11020752.

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With widespread non-linear loads and the increasing penetration of distributed generations in the power system, harmonic pollution has become a great concern. The causes of harmonic pollution not only include the integer harmonics, but also interharmonics, which exacerbate the complexity of harmonic analysis. In addition, the output variability of highly non-linear loads and renewables such as electric arc furnaces and photovoltaic solar or wind generation may lead to weakly time-varying harmonics and interharmonics in both frequency and magnitude. These features present challenges for accurat

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11

Fang, Xiaoling, Jinchen Lan, Yan Lin, et al. "Interval Harmonic Power Flow Algorithm Based on Relative Distance Measure." Journal of Physics: Conference Series 2450, no. 1 (2023): 012077. http://dx.doi.org/10.1088/1742-6596/2450/1/012077.

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Abstract In the harmonic power flow calculation of the power grid, the indeterminacy of new energy generation, the volatility and intermittency of nonlinear load will lead to the uncertainty of the injected harmonic current. In order to deal with the uncertainty information in the power grid, relative distance measurement (RDM) is used instead of point values to describe the uncertainty of distributed generations(DGs) output and state variables. In this paper, the RDM harmonic source model is built to solve the interval harmonic power flow. Through a typical 33-node distribution network calcul

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12

Feng, Jing, Yong-yuan Zhu, and Nai-ben Ming. "Harmonic generations in an optical Fibonacci superlattice." Physical Review B 41, no. 9 (1990): 5578–82. http://dx.doi.org/10.1103/physrevb.41.5578.

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13

Xiang-Bao, Cai. "Second-Harmonic and Third-Harmonic Generations in the Thue-Morse Dielectric Superlattice." Chinese Physics Letters 19, no. 5 (2002): 682–84. http://dx.doi.org/10.1088/0256-307x/19/5/323.

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14

Liu, H., L. Q. Feng, and R. M. Sani. "Effects of inhomogeneous laser field in time and space on the generation of broad spectral continuum and ultrashort attosecond pulse." Modern Physics Letters B 34, no. 13 (2020): 2050131. http://dx.doi.org/10.1142/s0217984920501316.

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The inhomogeneous effects of laser field in time and space on the generations of high-order harmonic spectra and attosecond pulses from He atom have been investigated with the assistance of the frequency-chirping technique and the metallic nanostructure. We find that in different combinations of chirps and spatial inhomogeneous effects, not only can the harmonic cutoff be extended, but the single harmonic emission peak (HEP) can also be selected to contribute to the spectral continuum. In detail, with the combinations of (i) symmetric chirp in frequency and positive inhomogeneous effect in spa

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15

ABE, H., M. RIKUKAWA, and N. OGATA. "NEW NLO POLYMERS FOR SECOND AND THIRD HARMONIC GENERATIONS." Journal of Nonlinear Optical Physics & Materials 05, no. 01 (1996): 99–107. http://dx.doi.org/10.1142/s0218863596000106.

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Poly(L-glutamate)s (PLG) having NLO active chromophore in side chains were synthesized by an ester exchange reaction of methyl ester of PLG with 4-(3-hydroxypropoxy)-4’-nitrostilbene or other alcohols containing the nitrostilbene moiety, and the NLO properties of these polymers were investigated in terms of second harmonic generation (SHG). These polymers exhibited rather stable poled structures after electric poling, possibly owing to the helical structures of PLG. Aromatic polymers such as poly(p-phenylene) are thermally stable with high glass transition temperatures. Poly(p-phenylene) deriv

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16

SASAKI, TAKATOMO, YUSUKE MORI, and MASASHI YOSHIMURA. "DEVELOPMENT OF NEW NLO BORATE CRYSTALS." Journal of Nonlinear Optical Physics & Materials 10, no. 02 (2001): 249–63. http://dx.doi.org/10.1142/s0218863501000589.

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Interests in the use of borate crystals in ultraviolet nonlinear optics have increased because all-solid-state UV lasers obtained with NLO crystals are in highly demand for scientific and industrial applications. Recently, new borate crystals, CsLiB 6 O 10 and Gd x Y 1-x Ca 4 O ( BO 3)3 have been developed by the present authors. CsLiB 6 O 10 is for fourth- and fifth-harmonic generations of Nd:YAG laser, Gd x Y 1-x Ca 4 O ( BO 3)3 for third-harmonic generation. This paper reviews the growth and nonlinear optical properties of these new borate crystals and the progress in UV light generation.

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17

TANG, Zhilie. "Imaging theory of nonlinear second harmonic and third harmonic generations in confocal microscopy." Science in China Series G 47, no. 1 (2004): 8. http://dx.doi.org/10.1360/03yw0023.

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18

Ahmad, Nafis, A. M. Alshehri, and A. Ibrahim. "High harmonic generations by laser in xenon clusters." AIP Advances 10, no. 1 (2020): 015312. http://dx.doi.org/10.1063/1.5118758.

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19

Gu, Ben-Yuan, Yan Zhang, and Bi-Zhen Dong. "Investigations of harmonic generations in aperiodic optical superlattices." Journal of Applied Physics 87, no. 11 (2000): 7629–37. http://dx.doi.org/10.1063/1.373433.

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20

Hoshi, Hajime, Naoki Nakamura, Yusei Maruyama, et al. "Optical Second- and Third-Harmonic Generations in C60Film." Japanese Journal of Applied Physics 30, Part 2, No. 8A (1991): L1397—L1398. http://dx.doi.org/10.1143/jjap.30.l1397.

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21

Li, Liang, Mian Zheng, R. Liqiang Feng, and Yan Qiao. "Waveform control in generations of intense water window attosecond pulses via multi-color combined field." International Journal of Modern Physics B 33, no. 13 (2019): 1950130. http://dx.doi.org/10.1142/s0217979219501303.

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The waveform control in the improvements of high-order harmonic generation (HHG) spectra and attosecond pulse signals driven by the two-color and three-color combined fields has been theoretically investigated. (a) The results show that by properly controlling the [Formula: see text]–2[Formula: see text] two-color laser beam (including the modulations of chirps, carrier envelope phases and delay time), either the harmonic cutoff can be extended, showing a water window spectral continuum, or the selective enhancement of the single-order and two-order harmonics can be found. Further, with the in

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22

Lu, Yanzhao, Xinbing Wang, Liang Miao, Duluo Zuo, and Zuhai Cheng. "Third-harmonic and fourth-harmonic generations of CO2 laser radiation in a GaSe crystal." Optics Communications 284, no. 14 (2011): 3622–25. http://dx.doi.org/10.1016/j.optcom.2011.03.086.

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23

Chen, S. C., and I. C. Khoo. "Phase matching of second harmonic generations in rotational crystals." Applied Optics 26, no. 2 (1987): 186. http://dx.doi.org/10.1364/ao.26.000186.

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24

Li, Guixin, Shumei Chen, Nitipat Pholchai, et al. "Continuous control of the nonlinearity phase for harmonic generations." Nature Materials 14, no. 6 (2015): 607–12. http://dx.doi.org/10.1038/nmat4267.

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25

Sheng, Yan, Kaloian Koynov, Junhong Dou, Boqin Ma, Jingjuan Li, and Daozhong Zhang. "Collinear second harmonic generations in a nonlinear photonic quasicrystal." Applied Physics Letters 92, no. 20 (2008): 201113. http://dx.doi.org/10.1063/1.2937210.

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26

West, B. J., V. Bhargava, and A. L. Goldberger. "Beyond the principle of similitude: renormalization in the bronchial tree." Journal of Applied Physiology 60, no. 3 (1986): 1089–97. http://dx.doi.org/10.1152/jappl.1986.60.3.1089.

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The average dimensions (diameter, length, and volume) of the airways in the mammalian bronchial tree, long thought to be exponential functions of the generation number, are shown to be power laws in generation number modulated by a harmonic variation. These data are satisfactorily described by means of a functional scaling relation--renormalization group property--between successive generations for the average variable of interest. This type of scaling may provide a mechanism for the morphogenesis of complex but highly stable structures.

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27

Zhang, Le Peng, Hao Chi Zhang, Jingjing Zhang, et al. "Reprogrammable control of electromagnetic spectra based on time-coding plasmonic metamaterials." Applied Physics Letters 121, no. 16 (2022): 161702. http://dx.doi.org/10.1063/5.0104506.

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Programming electromagnetic spectra have become key technology affecting the development of the information industry, arousing widespread interest of researchers. Here, we propose a route to realize a programmable spectrum based on time-coding spoof surface plasmon polaritons (SSPPs) to implement the customized harmonic generations and amplitude manipulations. The proposed time-coding SSPPs are experimentally demonstrated to flexibly control both frequencies and amplitudes of the harmonics, providing the possibility of reprogrammable outputs of different spectra. In addition, two kinds of impr

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28

Liu, Hang, and Rick Feng. "Laser control on molecular harmonic emission and isolated attosecond pulse generation." Canadian Journal of Physics 95, no. 3 (2017): 310–16. http://dx.doi.org/10.1139/cjp-2016-0774.

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Laser control on the generations of the molecular high-order harmonic generation (MHHG) and the isolated attosecond pulse (IAP) from H2+ have been theoretically investigated through solving the non-Bohn–Oppenheimer time-dependent Schrödinger equation. It is found that (i) in the middle laser intensity (i.e., I = 4.0 × 1014 W/cm2), the contribution from negative-H to the MHHG is higher than that from the positive-H. With the decrease (i.e., I = 2.0 × 1014 W/cm2) or the increase (i.e., I = 7.0 × 1014 W/cm2) in laser intensity, the asymmetric contributions from the two H nuclei to the MHHG are de

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29

Tian, Yang, Ru Cheng Han, and Chen Li. "An Inverter can be Used in Hybrid Wind-Solar Grid-Connected Power System." Advanced Materials Research 512-515 (May 2012): 70–73. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.70.

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With increasing concern of global warming, many are looking at sustainable energy solutions to protect the earth for the future generations.. This paper presents a new inverter which can be used in hybrid wind/photovoltaic grid-connected power system. This inverter allows the two sources to work separately or simultaneously depending on the availability of the energy sources. Harmonic content is detrimental for the Grid security. The introduction of the inverter can effectively reduce the harmonics generated by the system. Operational analysis of the proposed system will be discussed in this p

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Chen, Jing, Fang-Fang Ren, Rui Li, et al. "Dual localizations for second-harmonic generations using left-handed materials." Applied Physics Letters 87, no. 25 (2005): 251104. http://dx.doi.org/10.1063/1.2149967.

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31

Zhang, Chaojin, Zhanxin Wang, and Bo Zhao. "Harmonic generations in coupled quantum wells with few-cycle pulses." Physics Letters A 376, no. 4 (2012): 418–20. http://dx.doi.org/10.1016/j.physleta.2011.10.068.

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32

Asada, Tadahiro. "Optical Second-Harmonic Generations of Liquid Crystalline Main-Chain Polymers." Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 254, no. 1 (1994): 125–35. http://dx.doi.org/10.1080/10587259408036074.

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33

Куликов, И. К. "Johannes Lippius’ Harmonic Theory." Научный вестник Московской консерватории, no. 2(29) (June 26, 2017): 56–67. http://dx.doi.org/10.26176/mosconsv.2017.29.2.02.

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В статье дает ся очерк основных теоретических идей Иоганна Липпия, видного не мецкого ученого XVII века. За свою короткую жизнь Липпий создал ряд трактатов, оказавших влияние на теоретиков последующих поколений. В трудах Липпия рассматривают ся разнообразные вопросы: от эстетики и теологии музыки до специальных вопросов композиции. К наиболее интересным и важным идеям Липпия относит ся концепция «гармонической триады», которая обсуждает ся в данной статье c привлечением исторического контекста. This article outlines the main theoretical ideas of Johannes Lippius, the prominent German musical s

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34

DiDomenico, Angelo S., and Randy J. Tanner. "Pythagorean Triples from Harmonic Sequences." Mathematics Teacher 94, no. 3 (2001): 218–22. http://dx.doi.org/10.5951/mt.94.3.0218.

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Pythagorean triples have intrigued generations of mathematics explorers, including students, since ancient times. One of their most charming features is their connection with various other areas of mathematics. In the Mathematics Teacher, for example, authors have shown that Pythagorean triples can be generated from the Fibonacci numbers (Bertucci 1991), from geometric sequences (Carbeau 1993), and from both the addition and multiplication tables of whole numbers (DiDomenico 1993, 1995). These findings are indeed fascinating; when shared with students, they spark interest and curiosity and lea

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35

Xu, Caixia, Hongli Wu, Yanwei He, and Long Xu. "Efficient Second- and Third-Harmonic Generations in Er3+/Fe2+-Doped Lithium Niobate Single Crystal with Engineered Surficial Cylindrical Hole Arrays." Nanomaterials 13, no. 10 (2023): 1639. http://dx.doi.org/10.3390/nano13101639.

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Herein, significant enhancement of second- and third-harmonic generation efficiencies in a 1 mol% Er3+ and 0.07 mol% Fe2+-doped lithium niobate single-crystal plate were achieved after ablating periodic cylindrical pit arrays on the surface. Enhanced absorption and reduced transmittance of light were measured when the incident light signal passed through the patterned sample. Enhanced photoluminescence and two-photon-pumped upconversion emission spectra were also explored to obtain more details on the efficiency gains. The excitation-energy-dependent second-harmonic generation efficiency was m

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36

Ishikawa, Masashi, and Masanobu Iwanaga. "In-Plane Second Harmonic Generations in Photonic Crystal Slabs of LiNbO3." Applied Physics Express 1 (August 8, 2008): 082101. http://dx.doi.org/10.1143/apex.1.082101.

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Li, Ning, Kang-Xian Guo, and Shuai Shao. "Polaron effects on the third-harmonic generations in cylindrical quantum dots." Superlattices and Microstructures 49, no. 4 (2011): 468–76. http://dx.doi.org/10.1016/j.spmi.2011.01.004.

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Hui, P. M., and P. Cheung. "Second and third harmonic generations in random composites of nonlinear dielectrics." Physica B: Condensed Matter 279, no. 1-3 (2000): 45–47. http://dx.doi.org/10.1016/s0921-4526(99)00663-8.

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Yuan, Lijun, and Ya Yan Lu. "Excitation of Bound States in the Continuum via Second Harmonic Generations." SIAM Journal on Applied Mathematics 80, no. 2 (2020): 864–80. http://dx.doi.org/10.1137/19m1277539.

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Liu, Bo, and Lei Gao. "Second and third harmonic generations in random composites of spheroidal particles." physica status solidi (b) 242, no. 6 (2005): 1307–14. http://dx.doi.org/10.1002/pssb.200440003.

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Zhou, Hongping, Jun Ma, Kai Guo, et al. "Controllable second harmonic generation based on topological spin-dependent edge states." Journal of Applied Physics 131, no. 11 (2022): 113101. http://dx.doi.org/10.1063/5.0083773.

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Spin-dependent nonlinear harmonic generations from nanostructures may provide a new class of design for future applications such as nonlinear optical switching and modulation and nonlinear information processing. Most reported works are based on the utilization of metasurfaces with specific symmetry (such as C3 and C4) and the application of the Pancharatnam–Berry phase approach, making them sensitive to local defects. In this work, we investigated a controllable second harmonic generation (SHG) based on the topological spin-dependent edge state, which is robust to a broad class of perturbatio

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42

Wang, Peng, Zhi Yong Ren, Dong Mei Zhao, Wan Xing Sheng, Hui Yu, and Hai Tao Liu. "Analysis on the Impacts of Different Distributed Generation Grid-Connected Modes on Power Quality." Applied Mechanics and Materials 716-717 (December 2014): 1180–84. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1180.

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This paper propose the power quality evaluation index used to evaluate the impacts of the different distributed generation grid-connected modes made on power quality in the distribution network. Simulation example is built on the basis of a real distribution network as prototype using DigSilent software. Then Comparative analysis of the impacts on voltage deviation, harmonic and short duration voltage fluctuations of decentralized integration mode and centralized integration mode are made. The simulation results show that the centralized mode has more influences on the distribution network pow

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43

Li, Jing Juan, and Li Wang. "Research on Second Harmonic Generation in Two-Dimensional Periodical Nonlinear Photonic Crystals Based on Intelligent Materials." Advanced Materials Research 282-283 (July 2011): 716–20. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.716.

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The works are focused on finding out proper shape of reversed domains to obtain effective harmonic generations with high conversion efficiency. The conversion efficiency of second harmonic wave in two-dimensional nonlinear photonic crystals consisting of square lattice and reversed domains of various shapes are studied numerically. The shapes of reversed domains are extended from circle, square to ellipse and rectangle. The conversion efficiency of different order quasi-phase matched process can be maximized by adjusting the orientation of noncircular reversed domains. Moreover, a cross-shaped

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Feng, Liqiang, and Yi Li. "Generation of intense spectral continuum and isolated attosecond pulse by selecting single harmonic emission peak." Modern Physics Letters B 33, no. 35 (2019): 1950444. http://dx.doi.org/10.1142/s021798491950444x.

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Generally, due to the interference of different harmonic emission peaks (HEPs), the intensity of high-order harmonic spectrum cannot keep enhancing as the pulse intensity increases. Thus, in this paper, a potential method to obtain an intense spectral continuum and isolated attosecond pulse (IAP) by selecting single HEP has been theoretically investigated. First, we choose the harmonic cutoff and the harmonic intensity from the optimal single-color laser intensity as the referenced values. Next, by properly choosing a lower-intensity negative chirped pulse, we see that the harmonic cutoff from

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Chen, Shumei, Guixin Li, Kok Wai Cheah, Thomas Zentgraf, and Shuang Zhang. "Controlling the phase of optical nonlinearity with plasmonic metasurfaces." Nanophotonics 7, no. 6 (2018): 1013–24. http://dx.doi.org/10.1515/nanoph-2018-0011.

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AbstractMetasurfaces are ultrathin structured surfaces that are capable of manipulating the propagation of light in an arbitrary manner. It has been endowed with various functionalities ranging from imaging to holography. In contrast to linear optical processes, the control of wave propagation and diffraction over nonlinear optical processes such as harmonic generations had been much more limited until recently, when the concept of metasurfaces was extended from linear optics to the nonlinear optical regime for manipulating the generation of harmonic signals in an unprecedented level. The key

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Li, Keyin, Kangxian Guo, and Litao Liang. "Effect of the shape of quantum dots on the third-harmonic generations." Superlattices and Microstructures 102 (February 2017): 300–306. http://dx.doi.org/10.1016/j.spmi.2016.12.052.

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Xie, Wenfang. "The second and third harmonic generations of a trion in quantum dots." Journal of Luminescence 145 (January 2014): 283–87. http://dx.doi.org/10.1016/j.jlumin.2013.08.015.

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Wang, Shouxiang, Xiang Liu, Kai Wang, Lei Wu, and Ying Zhang. "Tracing harmonic contributions of multiple distributed generations in distribution systems with uncertainty." International Journal of Electrical Power & Energy Systems 95 (February 2018): 585–91. http://dx.doi.org/10.1016/j.ijepes.2017.09.014.

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Kim, Daeik, Hyeongju Chung, Jaeyeon Yu, et al. "Spin‐Controlled Nonlinear Harmonic Generations from Plasmonic Metasurfaces Coupled to Intersubband Transitions." Advanced Optical Materials 8, no. 8 (2020): 2000004. http://dx.doi.org/10.1002/adom.202000004.

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Alhamrouni, Ibrahim, Wira Wahab, M. Salem, Nadia H. A. Rahman, and Lili Awalin. "Modeling of micro-grid with the consideration of total harmonic distortion analysis." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 2 (2019): 581. http://dx.doi.org/10.11591/ijeecs.v15.i2.pp581-592.

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Abstract:

<p>With the rapid expansion of electricity grid, there yet still places to be covered considering their remote location. Micro-grid (MG) is a solution in this scenario, in fact, there is actually many cases where MG is used in case of emergency and act as a backup to the main electrical grid. By disconnecting itself from the larger grid, a grid that can have many problems, the micro-grid becomes much more flexible in its operations and by continuing to power households and communities alike. Besides grid-connected mode, it is necessary for the MG to operate in autonomous mode. By operati

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