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Artigos de revistas sobre o tema "Optical nanocavity"

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Autor: Grafiati
Publicado: 27 de julho de 2024
Última modificação: 28 de julho de 2024

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1

Lu, Tsan-Wen, Zhen-Yu Wang, Kuang-Ming Lin e Po-Tsung Lee. "Lasing Emission from Soft Photonic Crystals for Pressure and Position Sensing". Nanomaterials 13, n.º 22 (15 de novembro de 2023): 2956. http://dx.doi.org/10.3390/nano13222956.

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In this report, we introduce a 1D photonic crystal (PhC) nanocavity with waveguide-like strain amplifiers within a soft polydimethylsiloxane substrate, presenting it as a potential candidate for highly sensitive pressure and position optical sensors. Due to its substantial optical wavelength response to uniform pressure, laser emission from this nanocavity enables the detection of a minimum applied uniform pressure of 1.6‰ in experiments. Based on this feature, we further studied and elucidated the distinct behaviors in wavelength shifts when applying localized pressure at various positions relative to the PhC nanocavity. In experiments, by mapping wavelength shifts of the PhC nanolaser under localized pressure applied using a micro-tip at different positions, we demonstrate the nanocavity’s capability to detect minute position differences, with position-dependent minimum resolutions ranging from tens to hundreds of micrometers. Furthermore, we also propose and validate the feasibility of employing the strain amplifier as an effective waveguide for extracting the sensing signal from the nanocavity. This approach achieves a 64% unidirectional coupling efficiency for leading out the sensing signal to a specific strain amplifier. We believe these findings pave the way for creating a highly sensitive position-sensing module that can accurately identify localized pressure in a planar space.
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2

Goltaev, A. S., A. M. Mozharov, V. V. Yaroshenko, D. A. Zuev e I. S. Mukhin. "Investigation of a single-photon hybrid emitting system based on NV-centers in nanodiamonds integrated with GaP NWs". Journal of Physics: Conference Series 2086, n.º 1 (1 de dezembro de 2021): 012142. http://dx.doi.org/10.1088/1742-6596/2086/1/012142.

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Abstract NV-centers can be used for quantum informatics, quantum communication and quantum sensing. The calculation of optical modes formed in a GaP cylindrical nanocavity covered by nanodiamonds has been performed. GaP nanowires have been synthesized with molecular beam epitaxy and played the role of optical resonators for light-emitting centers on the base of nanodiamonds with NV-centers. The optical characteristics of the GaP-based nanocavity were analyzed. The increase in the rate of spontaneous emission of NV-centers optically coupled to the nanocavity was estimated by the time correlated single photon counting method.
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3

Guo, Haomin, Qi Hu, Chengyun Zhang, Haiwen Liu, Runmin Wu e Shusheng Pan. "Strong Plasmon-Mie Resonance in Si@Pd Core-Ω Shell Nanocavity". Materials 16, n.º 4 (9 de fevereiro de 2023): 1453. http://dx.doi.org/10.3390/ma16041453.

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The surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR) can be used to enhance the generation of the hot electrons in plasmon metal nanocavity. In this paper, Pd nanomembrane (NMB) is sputtered on the surface of Si nanosphere (NS) on glass substrate to form the Si@Pd core-Ω shell nanocavity. A plasmon-Mie resonance is induced in the nanocavity by coupling the plasmon resonance with the Mie resonance to control the optical property of Si NS. When this nanocavity is excited by near-infrared-1 (NIR-1, 650 nm–900 nm) femtosecond (fs) laser, the luminescence intensity of Si NS is dramatically enhanced due to the synergistic interaction of plasmon and Mie resonance. The generation of resonance coupling regulates resonant mode of the nanocavity to realize multi-dimensional nonlinear optical response, which can be utilized in the fields of biological imaging and nanoscale light source.
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4

Xiao, Ting-Hui, Ziqiang Zhao, Wen Zhou, Mitsuru Takenaka, Hon Ki Tsang, Zhenzhou Cheng e Keisuke Goda. "High-Q germanium optical nanocavity". Photonics Research 6, n.º 9 (29 de agosto de 2018): 925. http://dx.doi.org/10.1364/prj.6.000925.

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5

Li, Yang, Xuecai Zhang, Yutao Tang, Wenfeng Cai, Kuan Liu, Ningbin Mao, Kingfai Li et al. "Ge2Sb2Te5-based nanocavity metasurface for enhancement of third harmonic generation". New Journal of Physics 23, n.º 11 (1 de novembro de 2021): 115009. http://dx.doi.org/10.1088/1367-2630/ac3317.

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Abstract The third-order nonlinear processes in nanophotonic devices may have great potentials for developing ultra-compact nonlinear optical sources, ultrafast optical switches and modulators, etc. It is known that the performance of the nonlinear nanophotonic devices strongly relies on the optical resonances and the selection of appropriate nonlinear materials. Here, we demonstrate that the third harmonic generations (THG) can be greatly enhanced at subwavelength scale by incorporating α-Ge2Sb2Te5 (α-GST) into the nanocavity metasurface. Under pumping of a near-infrared femtosecond laser, the THG from the nanocavity metasurface is ∼50 times stronger than that from the bare GST planar film. In addition, the nanocavity metasurface also provides a powerful platform for characterizing the third-order nonlinear susceptibility of the active medium in the cavity. We expect that the GST-based nanocavity metasurface could open new routes for achieving high efficiency nonlinear nanophotonic devices.
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6

Li, Xuwei, Tingting Zhang, Zhengkun Fu, Bowen Kang, Xiaohu Mi, Meijuan Sun, Chengyun Zhang, Zhenglong Zhang e Hairong Zheng. "Plasmonic nanocavity enhanced vibration of graphene by a radially polarized optical field". Nanophotonics 9, n.º 7 (27 de março de 2020): 2017–23. http://dx.doi.org/10.1515/nanoph-2019-0553.

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AbstractThe combination of 2D materials and surface plasmon can produce some novel optical phenomena that have attracted much attention. Illuminated by light with different polarization states, the field distribution around the plasmonic structure can control the light-matter interaction. The interaction between graphene and light can be strongly enhanced by employing radially polarized beams in a nanocavity. Here, we study the selectively enhanced vibration of graphene in a coupled plasmonic gold nanocavity with a radially polarized optical field, and the coupling and enhancing mechanisms are investigated both experimentally and numerically. By focusing a radially polarized beam, a high z component of a localized near field in the nanocavity is provided to strongly enhance the interaction between graphene and light, which can be used to enhance the vibrational signal of the interlayer. For the in-plane vibration of graphene, a similar enhancement is obtained with a linearly and radially polarized optical field. A plasmonic nanocavity is used to enhance the vibration of graphene, which provides potential applications in studying the out-of-plane vibration mode and exploring the mechanism of the interlayer coupling of 2D materials.
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7

Cluzell, Benoit, Loic Lalouat, Philippe Velha, Emmanuel Picard, David Peyrade, Jean-Claude Rodier, Thomas Charvolin, Philippe Lalanne, Frédérique de Fornel e Emmanuel Hadji. "A near-field actuated optical nanocavity". Optics Express 16, n.º 1 (2008): 279. http://dx.doi.org/10.1364/oe.16.000279.

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8

Wang, Zeqiang, Boyuan Cai, Zhengfen Wan, Yunyue Zhang, Xiaoguang Ma, Min Gu e Qiming Zhang. "Low-Threshold Optical Bistability in the Graphene-Oxide Integrated Asymmetric Nanocavity at Visible Light Frequencies". Nanomaterials 12, n.º 7 (28 de março de 2022): 1117. http://dx.doi.org/10.3390/nano12071117.

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Here, we propose an optical bistable device structure with a few layers of graphene oxide integrated in the metal-dielectric-metal based asymmetric nanocavity. Through the light confinement in the nanocavity, the third order nonlinear absorption of graphene oxide can be significantly enhanced, which experimentally delivers low-threshold optical bistability at the visible wavelength of 532 nm with only 267 KW/cm2 intensity. In addition, the switching threshold can be further reduced via increasing the graphene oxide thickness, hence paving a new way for achieving tunable optical bistable devices at visible light frequencies.
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9

Lio, Giuseppe Emanuele, Giovanna Palermo, Roberto Caputo e Antonio De Luca. "A comprehensive optical analysis of nanoscale structures: from thin films to asymmetric nanocavities". RSC Advances 9, n.º 37 (2019): 21429–37. http://dx.doi.org/10.1039/c9ra03684a.

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10

Bidmeshkipour, Samina, Omid Akhavan, Pooria Salami e Leila Yousefi. "Aperiodic perforated graphene in optical nanocavity absorbers". Materials Science and Engineering: B 276 (fevereiro de 2022): 115557. http://dx.doi.org/10.1016/j.mseb.2021.115557.

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11

Liu, Chuan S., e Vipin K. Tripathi. "Optical gain in surface plasmon nanocavity oscillators". Journal of Nanophotonics 10, n.º 1 (14 de março de 2016): 016015. http://dx.doi.org/10.1117/1.jnp.10.016015.

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12

Fujita, Masayuki. "Nanocavity brightens silicon". Nature Photonics 7, n.º 4 (27 de março de 2013): 264–65. http://dx.doi.org/10.1038/nphoton.2013.65.

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13

Zhang, Hongyu, Yanji Zheng, Zhi-Ming Yu, Xiaoyong Hu e Cuicui Lu. "Topological hybrid nanocavity for coupling phase transition". Journal of Optics 23, n.º 12 (12 de novembro de 2021): 124002. http://dx.doi.org/10.1088/2040-8986/ac2fd2.

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Abstract Topological photonic nanocavity provides a robust platform for realizing nano-photonic devices and studying light–matter interaction. Here, a topological photonic-plasmonic hybrid nanocavity, assembling a topological photonic crystal (PhC) nanocavity with a plasmonic nano-antenna, is proposed to have an ultra-high figure of merit Q/V of 1.5 × 10 6 ( λ / n ) − 3 , which is two orders higher than that of the bare topological PhC nanocavity. The single-atom cooperativity parameter is improved by over 60 times due to the large enhancement of Q/V, which makes the coupling between light and a single emitter enter a strong coupling region in topological photonic realm for the first time. Meanwhile, strong coupling and weak coupling can be easily switched in the topological hybrid system by tuning the structure dimension of plasmonic nano-antennas. This work provides a robust platform to control coupling phase transition between light and a single emitter, which has great potential in topological lasers, quantum optics and quantum information.
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14

Li, Zhenyao, Haonan Chang, Jia-Min Lai, Feilong Song, Qifeng Yao, Hanqing Liu, Haiqiao Ni, Zhichuan Niu e Jun Zhang. "Terahertz phononic crystal in plasmonic nanocavity". Journal of Semiconductors 44, n.º 8 (1 de agosto de 2023): 082901. http://dx.doi.org/10.1088/1674-4926/44/8/082901.

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Abstract Interaction between photons and phonons in cavity optomechanical systems provides a new toolbox for quantum information technologies. A GaAs/AlAs pillar multi-optical mode microcavity optomechanical structure can obtain phonons with ultra-high frequency (~THz). However, the optical field cannot be effectively restricted when the diameter of the GaAs/AlAs pillar microcavity decreases below the diffraction limit of light. Here, we design a system that combines Ag nanocavity with GaAs/AlAs phononic superlattices, where phonons with the frequency of 4.2 THz can be confined in a pillar with ~4 nm diameter. The Q c/V reaches 0.22 nm−3, which is ~80 times that of the photonic crystal (PhC) nanobeam and ~100 times that of the hybrid point-defect PhC bowtie plasmonic nanocavity, where Q c is optical quality factor and V is mode volume. The optomechanical single-photon coupling strength can reach 12 MHz, which is an order of magnitude larger than that of the PhC nanobeam. In addition, the mechanical zero-point fluctuation amplitude is 85 fm and the efficient mass is 0.27 zg, which is much smaller than the PhC nanobeam. The phononic superlattice-Ag nanocavity optomechanical devices hold great potential for applications in the field of integrated quantum optomechanics, quantum information, and terahertz-light transducer.
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15

Kongsuwan, Nuttawut, Angela Demetriadou, Rohit Chikkaraddy, Jeremy J. Baumberg e Ortwin Hess. "Fluorescence enhancement and strong-coupling in faceted plasmonic nanocavities". EPJ Applied Metamaterials 5 (2018): 6. http://dx.doi.org/10.1051/epjam/2018004.

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Emission properties of a quantum emitter can be significantly modified inside nanometre-sized gaps between two plasmonic nanostructures. This forms a nanoscopic optical cavity which allows single-molecule detection and single-molecule strong-coupling at room temperature. However, plasmonic resonances of a plasmonic nanocavity are highly sensitive to the exact gap morphology. In this article, we shed light on the effect of gap morphology on the plasmonic resonances of a faceted nanoparticle-on-mirror (NPoM) nanocavity and their interaction with quantum emitters. We find that with increasing facet width the NPoM nanocavity provides weaker field enhancement and thus less coupling strength to a single quantum emitter since the effective mode volume increases with the facet width. However, if multiple emitters are present, a faceted NPoM nanocavity is capable of accommodating a larger number of emitters, and hence the overall coupling strength is larger due to the collective and coherent energy exchange from all the emitters. Our findings pave the way to more efficient designs of nanocavities for room-temperature light-matter strong-coupling, thus providing a big step forward to a non-cryogenic platform for quantum technologies.
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16

Guo, Ling, e Zhijun Sun. "Cooperative optical trapping in asymmetric plasmon nanocavity arrays". Optics Express 23, n.º 24 (23 de novembro de 2015): 31324. http://dx.doi.org/10.1364/oe.23.031324.

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17

Song, Haomin, Luqing Guo, Zhejun Liu, Kai Liu, Xie Zeng, Dengxin Ji, Nan Zhang, Haifeng Hu, Suhua Jiang e Qiaoqiang Gan. "Nanocavity Enhancement for Ultra-Thin Film Optical Absorber". Advanced Materials 26, n.º 17 (24 de fevereiro de 2014): 2737–43. http://dx.doi.org/10.1002/adma.201305793.

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18

Xie, Ying, Gui-Ming Pan, Ying-Ying Li, Kai Chen, Yong-Jie Lin, Li Zhou e Qu-Quan Wang. "Controlled growth and optical response of a semi-hollow plasmonic nanocavity and ultrathin sulfide nanosheets on Au/Ag platelets". Nanoscale 10, n.º 3 (2018): 1279–85. http://dx.doi.org/10.1039/c7nr07362c.

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19

Marcucci, Niccolò, Giorgio Zambito, Maria Caterina Giordano, Francesco Buatier de Mongeot e Emiliano Descrovi. "Controlling resonant surface modes by arbitrary light induced optical anisotropies". EPJ Web of Conferences 266 (2022): 05008. http://dx.doi.org/10.1051/epjconf/202226605008.

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In this work the sensitivity of Bloch Surface Waves to laser-induced anisotropy of azo-polymeric thin layers is expe rimentally shown . The nanoscale reshaping of the films via thermal-Scanning Probe Lithography allows to couple light to circular photonic nanocavities, tailoring on-demand resonant BSW confined within the nanocavity.
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20

Ichiji, Naoki, Yuka Otake e Atsushi Kubo. "Femtosecond imaging of spatial deformation of surface plasmon polariton wave packet during resonant interaction with nanocavity". Nanophotonics 11, n.º 7 (25 de fevereiro de 2022): 1321–33. http://dx.doi.org/10.1515/nanoph-2021-0740.

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Abstract The spatiotemporal dynamics of a surface plasmon polariton (SPP) wave packet (WP) that interacts with a plasmonic nanocavity on a metal surface are investigated via femtosecond time-resolved two-photon fluorescence microscopy and numerical calculations. The nanocavity, which consists of a metal–insulator–metal (MIM) laminar structure (longitudinal length: ∼100 nm), behaves as a subwavelength meta-atom possessing discretized eigenenergies. When a chirp-induced femto-second SPP WP is incident on the nanocavity, only the spectral component matching a particular eigenenergy is transmitted to continue propagation on the metal surface. This spectral clipping induces a spatial peak shift in the WP. The shift can be controlled by tuning the eigenenergy or chirp.
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21

Notomi, Masaya, Takasumi Tanabe, Akihiko Shinya, Eiichi Kuramochi e Hideaki Taniyama. "On-Chip All-Optical Switching and Memory by Silicon Photonic Crystal Nanocavities". Advances in Optical Technologies 2008 (22 de junho de 2008): 1–10. http://dx.doi.org/10.1155/2008/568936.

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We review our recent studies on all-optical switching and memory operations based on thermo-optic and carrier-plasma nonlinearities both induced by two-photon absorption in silicon photonic crystal nanocavities. Owing to high-Q and small volume of these photonic crystal cavities, we have demonstrated that the switching power can be largely reduced. In addition, we demonstrate that the switching time is also reduced in nanocavity devices because of their short diffusion time. These features are important for all-optical nonlinear processing in silicon photonics technologies, since silicon is not an efficient optical nonlinear material. We discuss the effect of the carrier diffusion process in our devices, and demonstrate improvement in terms of the response speed by employing ion-implantation process. Finally, we show that coupled bistable devices lead to all-optical logic, such as flip-flop operation. These results indicate that a nanocavity-based photonic crystal platform on a silicon chip may be a promising candidate for future on-chip all-optical information processing in a largely integrated fashion.
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22

Wang, Qifa, Chenyang Li, Liping Hou, Hanmou Zhang, Xuetao Gan, Kaihui Liu, Malin Premaratne, Fajun Xiao e Jianlin Zhao. "Unveiling radial breathing mode in a particle-on-mirror plasmonic nanocavity". Nanophotonics 11, n.º 3 (3 de janeiro de 2022): 487–94. http://dx.doi.org/10.1515/nanoph-2021-0506.

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Abstract Plasmonic radial breathing mode (RBM), featured with radially oscillating charge density, arises from the surface plasmon waves confined in the flat nanoparticles. The zero net dipole moment endows the RBM with an extremely low radiation yet a remarkable intense local field. On the other hand, owing to the dark mode nature, the RBMs routinely escape from the optical measurements, severely preventing their applications in optoelectronics and nanophotonics. Here, we experimentally demonstrate the existence of RBM in a hexagonal Au nanoplate-on-mirror nanocavity using a far-field linear-polarized light source. The polarization-resolved scattering measurements cooperated with the full-wave simulations elucidate that the RBM originates from the standing plasmon waves residing in the Au nanoplate. Further numerical analysis shows the RBM possesses the remarkable capability of local field enhancement over the other dark modes in the same nanocavity. Moreover, the RBM is sensitive to the gap and nanoplate size of the nanocavity, providing a straightforward way to tailor the wavelength of RBM from the visible to near-infrared region. Our approach provides a facile optical path to access to the plasmonic RBMs and may open up a new route to explore the intriguing applications of RBM, including surface-enhanced Raman scattering, enhanced nonlinear effects, nanolasers, biological and chemical sensing.
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23

El-Derhalli, Hassnaa, Léa Constans, Sébastien Le Beux, Alfredo De Rossi, Fabrice Raineri e Sofiène Tahar. "Towards All-optical Stochastic Computing Using Photonic Crystal Nanocavities". ACM Journal on Emerging Technologies in Computing Systems 18, n.º 1 (31 de janeiro de 2022): 1–25. http://dx.doi.org/10.1145/3484871.

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Stochastic computing allows a drastic reduction in hardware complexity using serial processing of bit streams. While the induced high computing latency can be overcome using integrated optics technology, the design of realistic optical stochastic computing architectures calls for energy efficient switching devices. Photonics Crystal (PhC) nanocavities are μm 2 scale devices offering 100fJ switching operation under picoseconds-scale switching speed. Fabrication process allows controlling the Quality factor of each nanocavity resonance, leading to opportunities to implement architectures involving cascaded gates and multi-wavelength signaling. In this paper, we investigate the design of cascaded gates architecture using nanocavities in the context of stochastic computing. We propose a transmission model considering key nanocavity device parameters, such as Quality factors, resonance wavelength, and switching efficiency. The model is calibrated with experimental measurements. We propose the design of XOR gate and multiplexer. We illustrate the use of the gates to design an edge detection filter. System-level exploration of laser power, bit-stream length and bit-error rate is carried out for the processing of gray-scale images. The results show that the proposed architecture leads to 8.5nJ/pixel energy consumption and 512ns/pixel processing time.
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24

Han, Xiaobo, Fang Li, Zhicong He, Yahui Liu, Huatian Hu, Kai Wang e Peixiang Lu. "Double Rabi splitting in methylene blue dye-Ag nanocavity". Nanophotonics 11, n.º 3 (3 de janeiro de 2022): 603–11. http://dx.doi.org/10.1515/nanoph-2021-0697.

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Abstract We demonstrate a double Rabi splitting totaling 348 meV in an Ag nanocavity embedding of methylene blue (MB) dye layer, which is ascribed to the equilibrium state of monomer and dimer coexistence in MB dye. At low dye concentration, the single-mode strong coupling between the monomer exciton in MB dye and the Ag nanocavity is observed. As the dye concentration is increased, three hybridized plexciton states are observed, indicating a double Rabi splitting (178 and 170 meV). Furthermore, the double anti-crossing behavior of the three hybrid states is observed by tuning the Ag nanocube size, which validates the multi-mode strong coupling regime. It shows clear evidence on the diverse exciton forms of dye molecules, both of which can interact with plasmonic nanocavity, effectively. Therefore, it provides a good candidate for realizing the multi-mode strong coupling.
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25

Husko, Chad, Joohoon Kang, Gregory Moille, Joshua D. Wood, Zheng Han, David Gosztola, Xuedan Ma et al. "Silicon-Phosphorene Nanocavity-Enhanced Optical Emission at Telecommunications Wavelengths". Nano Letters 18, n.º 10 (25 de setembro de 2018): 6515–20. http://dx.doi.org/10.1021/acs.nanolett.8b03037.

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Hill, Martin T., e Milan J. H. Marell. "Surface-Emitting Metal Nanocavity Lasers". Advances in Optical Technologies 2011 (16 de outubro de 2011): 1–8. http://dx.doi.org/10.1155/2011/314952.

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There has been considerable interest in metallic nanolasers recently and some forms of these devices constructed from semiconductor pillars can be considered as surface-emitting lasers. We compare two different realized versions of these nanopillar devices, one with a trapped cutoff mode in the pillar, another with a mode that propagates along the pillar. For the cutoff mode devices we introduce a method to improve the output beam characteristics and look at some of the challenges in improving such devices.
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Scherer, A., O. Painter, A. Husain, J. Vuckovic e J. O'Brien. "Photonic Crystal Nanocavity Lasers". Optics and Photonics News 10, n.º 12 (1 de dezembro de 1999): 21. http://dx.doi.org/10.1364/opn.10.12.000021.

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SCHERER, A., O. PAINTER, A. HUSAIN, J. VUCKOVIC, D. DAPKUS e J. O'BRIEN. "PHOTONIC CRYSTAL NANOCAVITY LASERS". International Journal of High Speed Electronics and Systems 10, n.º 01 (março de 2000): 387–91. http://dx.doi.org/10.1142/s0129156400000398.

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When combined with high index constrast slabs in which light can be efficiently guided, microfabricated two-dimensional photonic bandgap mirrors provide us with the geometries needed to confine light into extremely small volumes. We show that these high Q cavities now make it possible to define microcavity lasers which function at room temperature and have mode volumes as small as 2.5 (λ/2nslab)3 or 0.03 μm3 in InGaAsP emitting at 1.55μm.
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Yamashita, Daiki, Takashi Asano, Susumu noda e Yasushi Takahashi. "Strongly asymmetric wavelength dependence of optical gain in nanocavity-based Raman silicon lasers". Optica 5, n.º 10 (9 de outubro de 2018): 1256. http://dx.doi.org/10.1364/optica.5.001256.

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Tajiri, T., S. Takahashi, Y. Ota, K. Watanabe, S. Iwamoto e Y. Arakawa. "Three-dimensional photonic crystal simultaneously integrating a nanocavity laser and waveguides". Optica 6, n.º 3 (5 de março de 2019): 296. http://dx.doi.org/10.1364/optica.6.000296.

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Kotal, Saptarshi, Alberto Artioli, Yujing Wang, Andreas Dyhl Osterkryger, Matteo Finazzer, Romain Fons, Yann Genuist et al. "A nanowire optical nanocavity for broadband enhancement of spontaneous emission". Applied Physics Letters 118, n.º 19 (10 de maio de 2021): 194002. http://dx.doi.org/10.1063/5.0045834.

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McCutcheon, Murray W., Georg W. Rieger, Jeff F. Young, Dan Dalacu, Philip J. Poole e Robin L. Williams. "All-optical conditional logic with a nonlinear photonic crystal nanocavity". Applied Physics Letters 95, n.º 22 (30 de novembro de 2009): 221102. http://dx.doi.org/10.1063/1.3265736.

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Liu, Ke, Ning Li, Devendra K. Sadana e Volker J. Sorger. "Integrated Nanocavity Plasmon Light Sources for On-Chip Optical Interconnects". ACS Photonics 3, n.º 2 (2 de fevereiro de 2016): 233–42. http://dx.doi.org/10.1021/acsphotonics.5b00476.

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Tanabe, Takasumi, Hideaki Taniyama e Masaya Notomi. "Carrier Diffusion and Recombination in Photonic Crystal Nanocavity Optical Switches". Journal of Lightwave Technology 26, n.º 11 (junho de 2008): 1396–403. http://dx.doi.org/10.1109/jlt.2008.923638.

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Hou, Y. "Enhanced optical properties in a polarization-matched semiconductor plasmonic nanocavity". Materials Letters 236 (fevereiro de 2019): 574–78. http://dx.doi.org/10.1016/j.matlet.2018.11.002.

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Wu, Shu-Ya, Zhe-Ming Xu, Shi-Lei Shen, Jun-Fang Wu e Chao Li. "All-optical diode based on a specially designed nonlinear nanocavity". Optics Communications 444 (agosto de 2019): 127–30. http://dx.doi.org/10.1016/j.optcom.2019.04.002.

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37

Nozaki, Kengo, Takasumi Tanabe, Akihiko Shinya, Shinji Matsuo, Tomonari Sato, Hideaki Taniyama e Masaya Notomi. "Sub-femtojoule all-optical switching using a photonic-crystal nanocavity". Nature Photonics 4, n.º 7 (2 de maio de 2010): 477–83. http://dx.doi.org/10.1038/nphoton.2010.89.

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38

Genevet, Patrice, Jean-Philippe Tetienne, Evangelos Gatzogiannis, Romain Blanchard, Mikhail A. Kats, Marlan O. Scully e Federico Capasso. "Large Enhancement of Nonlinear Optical Phenomena by Plasmonic Nanocavity Gratings". Nano Letters 10, n.º 12 (8 de dezembro de 2010): 4880–83. http://dx.doi.org/10.1021/nl102747v.

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39

Li, Guang-Can, Qiang Zhang, Stefan A. Maier e Dangyuan Lei. "Plasmonic particle-on-film nanocavities: a versatile platform for plasmon-enhanced spectroscopy and photochemistry". Nanophotonics 7, n.º 12 (26 de novembro de 2018): 1865–89. http://dx.doi.org/10.1515/nanoph-2018-0162.

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AbstractMetallic nanostructures with nanometer gaps support hybrid plasmonic modes with an extremely small mode volume and strong local field intensity, which constitutes an attractive plasmonic platform for exploring novel light-matter interaction phenomena at the nanoscale. Particularly, the plasmonic nanocavity formed by a metal nanoparticle closely separated from a thin metal film has received intensive attention in the nanophotonics community, largely attributed to its ease of fabrication, tunable optical properties over a wide spectral range, and the ultrastrong confinement of light at the small gap region scaled down to sub-nanometer. In this article, we review the recent exciting progress in exploring the plasmonic properties of such metal particle-on-film nanocavities (MPoFNs), as well as their fascinating applications in the area of plasmon-enhanced imaging and spectroscopies. We focus our discussion on the experimental fabrication and optical characterization of MPoFNs and the theoretical interpretation of their hybridized plasmon modes, with particular interest on the nanocavity-enhanced photoluminescence and Raman spectroscopies, as well as photocatalysis and molecular nanochemistry.
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40

Xie, Jingya, Xinxiang Niu, Xiaoyong Hu, Feifan Wang, Zhen Chai, Hong Yang e Qihuang Gong. "Ultracompact all-optical full-adder and half-adder based on nonlinear plasmonic nanocavities". Nanophotonics 6, n.º 5 (9 de junho de 2017): 1161–73. http://dx.doi.org/10.1515/nanoph-2017-0035.

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AbstractUltracompact chip-integrated all-optical half- and full-adders are realized based on signal-light induced plasmonic-nanocavity-modes shift in a planar plasmonic microstructure covered with a nonlinear nanocomposite layer, which can be directly integrated into plasmonic circuits. Tremendous nonlinear enhancement is obtained for the nanocomposite cover layer, attributed to resonant excitation, slow light effect, as well as field enhancement effect provided by the plasmonic nanocavity. The feature size of the device is <15 μm, which is reduced by three orders of magnitude compared with previous reports. The operating threshold power is determined to be 300 μW (corresponding to a threshold intensity of 7.8 MW/cm2), which is reduced by two orders of magnitude compared with previous reports. The intensity contrast ratio between two output logic states, “1” and “0,” is larger than 27 dB, which is among the highest values reported to date. Our work is the first to experimentally realize on-chip half- and full-adders based on nonlinear plasmonic nanocavities having an ultrasmall feature size, ultralow threshold power, and high intensity contrast ratio simultaneously. This work not only provides a platform for the study of nonlinear optics, but also paves a way to realize ultrahigh-speed signal computing chips.
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41

Pan, Chengda, Yajie Bian, Yuchan Zhang, Shiyu Zhang, Xiaolei Zhang, Botao Wu, Qingyuan Jin e E. Wu. "Flexible Silicon Dimer Nanocavity with Electric and Magnetic Enhancement". Photonics 9, n.º 4 (18 de abril de 2022): 267. http://dx.doi.org/10.3390/photonics9040267.

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High-index dielectrics have recently been regarded as promising building blocks in nanophotonics owing to optical electric and magnetic Mie resonances. In particular, silicon is gaining great interest as the backbone of modern technology. Here, silicon dimer nanocavities with different sizes of silicon nanospheres were constructed using a probe nanomanipulation method and interacted with a few-layered R6G membrane to investigate the enhancement of electric and magnetic mode coupling. The evidence of the enhancement of fluorescence and slightly prolonged lifetime of R6G indicated the existence of nanocavities. In addition, the simulated electric and magnetic field distributions and decomposed mode of nanocavity were used to analyze the contribution of electric and magnetic modes to the R6G enhanced fluorescence. Such silicon dimer is a flexible nanocavity with electric and magnetic mode enhancement and has promising applications in sensing and all-dielectric metamaterials or nanophotonic devices.
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42

Zhai, Xiang, Yuanyuan Liu, Hongju Li, Rexidaiguli Wujiaihemaiti, Yanhua Zhu e Lingling Wang. "Analysis of Filter and Waveguide Effect Based on the MIM Nanodisk with a Metallic Block". Journal of Nanomaterials 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/541409.

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A novel and meaningful plasmonic filter based on the metal-insulator-metal (MIM) waveguides directly connected to a nanocavity with a metallic block is proposed and demonstrated numerically. By the effective index method and the resonant theory of disk-shaped nanocavity, we reveal that the resonant wavelengths can be simply tuned by adjusting the height of the block, which is in accordance with the results calculated by finite-difference time-domain (FDTD) simulations. We also rotate the metallic block to achieve two resonant modes. One mode shows a blue shift, and the other mode shows a red shift. It is shown that the proposed structure performs as a bend waveguide not a filter when the width of the block increases to hundreds of nanometers. The proposed structure will have significant potential applications in nanointegrated circuits for optical filtering and processing.
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43

Evans, R. E., M. K. Bhaskar, D. D. Sukachev, C. T. Nguyen, A. Sipahigil, M. J. Burek, B. Machielse et al. "Photon-mediated interactions between quantum emitters in a diamond nanocavity". Science 362, n.º 6415 (20 de setembro de 2018): 662–65. http://dx.doi.org/10.1126/science.aau4691.

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Photon-mediated interactions between quantum systems are essential for realizing quantum networks and scalable quantum information processing. We demonstrate such interactions between pairs of silicon-vacancy (SiV) color centers coupled to a diamond nanophotonic cavity. When the optical transitions of the two color centers are tuned into resonance, the coupling to the common cavity mode results in a coherent interaction between them, leading to spectrally resolved superradiant and subradiant states. We use the electronic spin degrees of freedom of the SiV centers to control these optically mediated interactions. Such controlled interactions will be crucial in developing cavity-mediated quantum gates between spin qubits and for realizing scalable quantum network nodes.
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44

Mohebbi, M. "Refractive index sensing of gases based on a one-dimensional photonic crystal nanocavity". Journal of Sensors and Sensor Systems 4, n.º 1 (4 de junho de 2015): 209–15. http://dx.doi.org/10.5194/jsss-4-209-2015.

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Abstract. Silicon photonic crystal sensors have become very attractive for various optical sensing applications. Using silicon as a material platform provides the ability to fabricate sensors with other photonic devices on a single chip. In this paper, a new optical sensor based on optical resonance in a one-dimensional silicon photonic crystal with an air defect is theoretically studied for refractive index sensing in the infrared wavelength region. The air defect introduces a cavity into the photonic crystal, making it suitable for probing the properties of a gas found within the cavity. This photonic crystal nanocavity is designed to oscillate at a single mode with a high quality factor, allowing for refractive index sensing of gases with a high sensitivity. A method is presented to maximize the sensitivity of the sensor and to obtain a very narrow bandwidth cavity mode for good sensor resolution. We change the thickness of the air layers linearly in the photonic crystals on both sides of the nanocavity and show that a sensitivity of 1200 nm RIU−1 can be achieved. We present a detailed analysis of the sensor and variations of the layer thicknesses, the cavity length, and the number of periodic layers in the photonic crystal are investigated. This optical sensor has a much simpler design and higher sensitivity compared to other photonic crystal sensors reported previously.
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45

Liu, Zheng-Qi, Gui-Qiang Liu, Xiao-Shan Liu, Jin Chen, Ying Hu, Xiang-Nan Zhang e Zheng-Jie Cai. "Optical properties of silicon nanocavity-coupled hybrid plasmonic–photonic crystals in the optical region". Materials Letters 118 (março de 2014): 134–36. http://dx.doi.org/10.1016/j.matlet.2013.12.078.

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46

Song, Haomin, Luqing Guo, Zhejun Liu, Kai Liu, Xie Zeng, Dengxin Ji, Nan Zhang, Haifeng Hu, Suhua Jiang e Qiaoqiang Gan. "Optical Absorbers: Nanocavity Enhancement for Ultra-Thin Film Optical Absorber (Adv. Mater. 17/2014)". Advanced Materials 26, n.º 17 (maio de 2014): 2736. http://dx.doi.org/10.1002/adma.201470113.

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47

Wang, Chao Guang, Hong Juan Cui, Pei Tao Dong, Di Di, Jian Chen, Hao Xu Wang, Zhi Hua Chen e Xue Zhong Wu. "A Novel Fabrication Process of Large Area Triangular Nanocavity Arrays by Bilayer Nanosphere Lithography". Key Engineering Materials 516 (junho de 2012): 447–51. http://dx.doi.org/10.4028/www.scientific.net/kem.516.447.

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A simple and novel self-assembly based process is presented in this paper for the fabrication of gold triangular nanocavity arrays. This process combines nanosphere lithography (NSL) with some standard MEMS technologies. A carboxylated polystyrene (PS) nanosphere bilayer with a relatively large area is fabricated on silicon wafer as the starting template by spin-coating. Oxygen plasma etching, metal deposition and lifting-off of the PS upper layer are then orderly carried out for the formation of triangular space, which is made up of Cr film and the remaining PS nanoparticles. Then silicon etching is used to transfer the triangle pattern onto the silicon wafer. Finally, a 50 nm thick gold layer is deposited on the pattern to fabricate gold triangular nanocavity arrays. With this strategy, both the period and the cavity size can be adjusted independently. This will allow the tuning of the optical properties for desired application.
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48

Kuz'michev, Alexey, Lars Kreilkamp, Mohammad Nur-E-Alam, Evgeni Bezus, Mikhail Vasiliev, Iliya Akimov, Kamal Alameh, Manfred Bayer e Vladimir Belotelov. "Tunable Optical Nanocavity of Iron-garnet with a Buried Metal Layer". Materials 8, n.º 6 (28 de maio de 2015): 3012–23. http://dx.doi.org/10.3390/ma8063012.

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49

Zhang, Jiachen, Fanfan Lu, Wending Zhang, Weixing Yu, Weiren Zhu, Malin Premaratne, Ting Mei, Fajun Xiao e Jianlin Zhao. "Optical trapping of single nano-size particles using a plasmonic nanocavity". Journal of Physics: Condensed Matter 32, n.º 47 (1 de setembro de 2020): 475301. http://dx.doi.org/10.1088/1361-648x/abaead.

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50

Akselrod, Gleb M., Tian Ming, Christos Argyropoulos, Thang B. Hoang, Yuxuan Lin, Xi Ling, David R. Smith, Jing Kong e Maiken H. Mikkelsen. "Leveraging Nanocavity Harmonics for Control of Optical Processes in 2D Semiconductors". Nano Letters 15, n.º 5 (4 de maio de 2015): 3578–84. http://dx.doi.org/10.1021/acs.nanolett.5b01062.

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