Investigations on the optical forces from three mainstream optical resonances in all-dielectric nanostructure arrays

• Guangdong Wang and
• Zhanghua Han

Beilstein J. Nanotechnol. 2023, 14, 674–682, doi:10.3762/bjnano.14.53

• the structure is symmetric along the x-direction is associated with the slightly asymmetric field distributions at the peak of a Fano resonance [21], which can be seen in Figure 1b. This indicates that the PS sphere does not get stably trapped at a fixed position above the disk surface, but is pulled

Tunable high-quality-factor absorption in a graphene monolayer based on quasi-bound states in the continuum

• Jun Wu,
• Yasong Sun,
• Feng Wu,
• Biyuan Wu and
• Xiaohu Wu

Beilstein J. Nanotechnol. 2022, 13, 675–681, doi:10.3762/bjnano.13.59

• structures without graphene monolayer for angles of 0°, 0.1°, 0.5°, 1.0°, 1.5°, and 2.0° in Figure 4a. Clearly, with the successively reduction of the incident angle from 2.0° to 0°, the bandwidth of the Fano resonance peak decreases rapidly. At θ = 0°, the bandwidth has completely vanished, indicating an

Nonequilibrium Kondo effect in a graphene-coupled quantum dot in the presence of a magnetic field

• Levente Máthé and
• Ioan Grosu

Beilstein J. Nanotechnol. 2020, 11, 225–239, doi:10.3762/bjnano.11.17

• regimes, the shape of the Kondo resonance is influenced by the Fano resonance. However, the tunneling between the STM tip and graphene does not obviously affect the shape of the Kondo resonance in the vicinity of zero bias. Yanagisawa investigated the Kondo effect induced by the s–d interaction with Dirac

Plasmonic nanosensor based on multiple independently tunable Fano resonances

• Lin Cheng,
• Zelong Wang,
• Xiaodong He and
• Pengfei Cao

Beilstein J. Nanotechnol. 2019, 10, 2527–2537, doi:10.3762/bjnano.10.243

• kinds of resonators and two stubs which are side-coupled to a metal–dielectric–metal (MDM) waveguide. By utilizing numerical investigation with the finite element method (FEM), the simulation results show that the transmission spectrum of the nanosensor has as many as five sharp Fano resonance peaks

• nanosensors, optical splitters, filters, optical switches, nonlinear photonic and slow-light devices. Keywords: Fano resonance; metal–dielectric–metal (MDM) waveguide; nanosensor; on-chip plasmonic structures; surface plasmon polaritons (SPPs); Introduction Surface plasmon polariton (SPP) is a unique

• light within sub-wavelength dimensions. Many plasmonic structures, such as high-sensitivity refractive index sensors [2], enhanced biochemical sensors [3], switches and filters [4], have been designed based on the concept of Fano resonance by utilizing a MDM waveguide [3][5][6]. Due to the interference

Multiple Fano resonances with flexible tunablity based on symmetry-breaking resonators

• Xiao bin Ren,
• Kun Ren,
• Ying Zhang,
• Cheng guo Ming and
• Qun Han

Beilstein J. Nanotechnol. 2019, 10, 2459–2467, doi:10.3762/bjnano.10.236

• new opportunities to design on-chip optical devices with great tuning performance. Keywords: multiple Fano resonance; off-centered ring resonators; plasmonic waveguide; surface plasmon polaritons; symmetry-breaking; tunable resonance; Introduction Fano resonances originate from the interference of a

• stuctures are investigated at different platforms aiming for Fano resonance. Fano-type transmission phenomenona were observed in photonic crystal (PhC) waveguide–cavity systems [17][18]. The PhC waveguide is a line defect formed by removing a row of rods or air holes. The cavity is a point defect formed by

• components [19][20][21][22]. Fano resonances have been obtained in MDM-based waveguide–cavity coupled systems [23][24]. In recent years, multiple Fano resonances have aroused interest [25][26][27]. Compared with a single Fano resonance, multiple Fano resonances have more versatile and flexible applications

Molecular attachment to a microscope tip: inelastic tunneling, Kondo screening, and thermopower

• Rouzhaji Tuerhong,
• Mauro Boero and
• Jean-Pierre Bucher

Beilstein J. Nanotechnol. 2019, 10, 1243–1250, doi:10.3762/bjnano.10.124

• surface are chemically identical (see Experimental section), the MnPc molecule attached to the tip is subjected to a different electronic-state hybridization than an on-surface molecule, and hence a different Kondo behavior is expected. In this respect, the analysis of the fitting parameters of the Fano

• resonance provides additional clues. The increase in the Fano factor, q, from −1.2 for the on-surface molecule to 22.8 for the suspended molecule clearly indicates different electron-tunneling conditions. Since the suspended molecule is attached to the tip, the probability of electron tunneling from the STM

Large-scale fabrication of achiral plasmonic metamaterials with giant chiroptical response

• Morten Slyngborg,
• Yao-Chung Tsao and
• Peter Fojan

Beilstein J. Nanotechnol. 2016, 7, 914–925, doi:10.3762/bjnano.7.83

• is the angle where the ECMs exhibit mirror symmetry and hence do not yield a CD response. Though some PCMs show promise as they also yield huge CD responses through FANO resonance [14], the greatest advantage of ECMs is that sensing of biomolecules can be performed with only one sample in one

Electron and heat transport in porphyrin-based single-molecule transistors with electro-burnt graphene electrodes

• Hatef Sadeghi,
• Sara Sangtarash and
• Colin J. Lambert

Beilstein J. Nanotechnol. 2015, 6, 1413–1420, doi:10.3762/bjnano.6.146

• modified Hückel parameters (see Computational Methods). The model is in good agreement with the T(E) calculated from the DFT mean-field Hamiltonian as shown in Figure 6b. A Fano resonance appearing close to E = −0.2 eV is associated with the nitrogen atoms. By changing the coupling of the N–C, their

Patterning technique for gold nanoparticles on substrates using a focused electron beam

• Takahiro Noriki,
• Shogo Abe,
• Kotaro Kajikawa and
• Masayuki Shimojo

Beilstein J. Nanotechnol. 2015, 6, 1010–1015, doi:10.3762/bjnano.6.104

• , while most particles were washed away outside of the irradiated area. This patterning process for nanoparticles, which combines both chemical and electron beam techniques, could contribute to the fabrication of single electron transistors [14], Fano resonance devices [15] and plasmonic waveguides, as

Localized surface plasmon resonances in nanostructures to enhance nonlinear vibrational spectroscopies: towards an astonishing molecular sensitivity

• Dan Lis and
• Francesca Cecchet

Beilstein J. Nanotechnol. 2014, 5, 2275–2292, doi:10.3762/bjnano.5.237

Hole-mask colloidal nanolithography combined with tilted-angle-rotation evaporation: A versatile method for fabrication of low-cost and large-area complex plasmonic nanostructures and metamaterials

• Jun Zhao,
• Bettina Frank,
• Frank Neubrech,
• Chunjie Zhang,
• Paul V. Braun and
• Harald Giessen

Beilstein J. Nanotechnol. 2014, 5, 577–586, doi:10.3762/bjnano.5.68

• double SRRs have been demonstrated to be suitable for supporting Fano resonances [4]. A plasmonic Fano resonance is defined as the coupling of a broad bright mode with a narrow dark mode, which cannot be exited directly with the incident light. It shows an asymmetric shape in the spectrum and has an

• ). The refractive indices are taken at about 1500 nm. We observe a well-modulated Fano resonance at about 1300 nm for n = 1.0 (black curve) due to the coupling of the bright superradiant and dark subradiant hybridized modes and the expected red-shift of all spectral features upon exposure to the liquids

• with higher refraction indeces. Additionally, we use the figure of merit (FOM) [27] to study the sensitivity of the Fano resonance quantitatively: Here FWHM is the full width at half maximum of the Fano resonance and defined for the Fano resonance as the distance between the antipeak on the short

Plasmonic oligomers in cylindrical vector light beams

• Mario Hentschel,
• Jens Dorfmüller,
• Harald Giessen,
• Sebastian Jäger,
• Andreas M. Kern,
• Kai Braun,
• Dai Zhang and
• Alfred J. Meixner

Beilstein J. Nanotechnol. 2013, 4, 57–65, doi:10.3762/bjnano.4.6

• narrow subradiant mode and the broad super-radiant mode, which is called a Fano resonance [18][19][20]. The oligomeric design strategy is highly tunable and allows us to nearly arbitrarily manipulate the optical spectra. Figure 5a depicts SEM micrographs and spectra of exemplary oligomers. Changing the

• number, size, and spatial arrangement of the individual particles, allows for the tuning of the strength and spectral position of the transparency window. Under certain conditions, the Fano resonance even vanishes completely [21]. Electron-beam lithography is a highly controllable top-down technique that

• mode and the broad super-radiant mode results in the Fano resonance. In the absence of the central nanoparticle, the nanoparticles in the hexamer always oscillate in phase, leading to a collective dipolar mode. Adapted with permission from [13]. Copyright (2010) American Chemical Society. (a) Examples