Applications
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Double-layer metasurface for enhanced photon up-conversion
A quantum dot molecule (QDM) device with excellent optical properties is demonstrated. The QDMs are deterministically integrated into a photonic structure with a circular Bragg grating (CBG). Using JCMsuite, the layer design and the geometry of the CBG is numerically optimized. The measured photon extraction efficiency of up to (24 ± 4)% is in good agreement with numerical simulations.
J. Schall, et al. Bright Electrically Controllable Quantum-Dot-Molecule Devices Fabricated by In Situ Electron-Beam Lithography. Adv. Quantum Technol., 4, 2100002 (2021).
2021 DOI Publication link
optical resonators and antennas, quantum optics, Light Scattering Computation
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Long- and short-ranged chiral interactions in DNA-assembled plasmonic chains
Using DNA origami, plasmonic nano spheres and nanorods are aligned into a chiral structure whose CD signal was measured. The measurements are in good agreement with numerical simulations of JCMsuite using curvilinear higher order finite elements to resolve the complex plasmonic behavior.
K. Martens, et al. Long- and short-ranged chiral interactions in DNA-assembled plasmonic chains. Nat. Commun., 12, 2025 (2021).
2021 DOI Publication link
Optical Metrology and Sensing, optical chirality, optical resonators and antennas, plasmonics, Advanced Finite Element Methods, Light Scattering Computation
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Sub-diffraction limited localization of self-interacting nanoparticles above a mirror
By placing fluorescent nanoparticles above a mirror, the microscopy image depends sensitively on the axial position of the nanoparticle, which can be used for a sub-diffraction limited localization. A numerical simulation with JCMsuite shows that the localization sensitivity is an effect of the single emitter's interference with its own mirror image.
Y. Liu, et al. Axial localization and tracking of self-interference nanoparticles by lateral point spread functions. Nat. Commun., 12, 2019 (2021).
2021 DOI Publication link
Optical Metrology and Sensing, Light Scattering Computation
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Double-layer metasurface for enhanced photon up-conversion
Multi-layer metasurfaces are considered for enhancing photon-upconversion through the excitation of resonances of the metasurface. A simulation with JCMuite shows that the measured transmission resonances are accompanied with strongly enhanced near fields close to the metasurface which enhance the upconversion.
P. Manley, et al. Double-layer metasurface for enhanced photon up-conversion. APL Photonics, 6(3), 036103 (2021).
2021 DOI Publication link
Metamaterials, Photovoltaics, photonic crystals, Light Scattering Computation
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Fiber-pigtailing quantum-dot cavity-enhanced light emitting diodes
A process for the coupling of an electrically driven cavity-enhanced quantum dot light source to a single-mode fiber is presented. Due to interference effects, the coupling efficiency depends sensitively on the distance between the light source and the fiber tip. The measured coupling efficiency is in excellent agreement with numerical simulations using JCMsuite.
L. Rickert, et al. Fiber-pigtailing quantum-dot cavity-enhanced light emitting diodes. Appl. Phys. Lett. 119, 131104 (2021).
2021 DOI Publication link
Light Sources, optical resonators and antennas, quantum optics, Light Scattering Computation
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Hot electron generation through near-field excitation of plasmonic nanoresonators
In this numerical study the hot-electron generation through the emission of a dipole source coupled to a plasmonic nanoresonator is numerically investigated by combining the solution of the time-harmonic Maxwell’s equations with a quantum model for hot electron generation. The results are interpreted with a quasinormal mode expansion of the nanoresonator.
F. Binkowski, et al. Hot Electron Generation through Near-Field Excitation of Plasmonic Nanoresonators. ACS Photonics, 8, 1243 (2021).
2021 DOI Publication link
plasmonics, Light Scattering Computation, Resonance Mode Computation
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Optimized diamond inverted nanocones for enhanced color center to fiber coupling
The emission from color centers in inverted nanocones is numerically investigated using JCMsuite's finite-element solver and Bayesian optimizer. The study considers, e.g., optimizations of the nano cone geometry and the parameters of the collecting optics to maximize the fiber coupling efficiency.
C. G. Torun, et al. Optimized diamond inverted nanocones for enhanced color center to fiber coupling. Appl. Phys. Lett, 118, 234002 (2021).
2021 DOI Publication link
Light Sources, quantum optics, Light Scattering Computation, Optimization and Parameter Retrieval Methods, Propagation Mode Computation
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Realization of optical diffusers with disordered dielectric Huygens’ metasurfaces
Since conventional diffusors lack the potential for on-chip integration, a random arrangement of carefully designed nanoparticles on a surface is considered to realize an optical diffusor. The response of the random surface is computed with the a T-matrix method. The T-matrix of the individual scatterers up to octupolar order is computed with JCMsuite.
D. Arslan, A. Rahimzadegan, et al. Towards perfect optical diffusers: Dielectric Huygens’ metasurfaces with critical positional disorder. Adv. Mat., 2105868 (2021).
2021 DOI Publication link
Metamaterials, diffractive optics, Light Scattering Computation
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Bayesian optimization of metal grating back reflectors for multijunction solar cells
A triple-junction solar cell with a metal grating back reflector is accurately simulated using JCMsuite's finite-element solver. Based on the simulations the parameters of the metal grating are optimized with JCMsuite's Analysis and Optimization Toolkit to maximize the efficiency of the solar cell.
P. Tillmann, et al. Optimizing metal grating back reflectors for III-V-on-silicon multijunction solar cells. Opt. Express 29, 22517 (2021).
2021 DOI Publication link
Photovoltaics, diffractive optics, plasmonics, Light Scattering Computation, Optimization and Parameter Retrieval Methods, Uncertainty Quantification Methods
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High-index dielectric nanodisk arrays as anti-reflective and light trapping structures for mono- and bifacial silicon heterojunction solar modules
The study analyzes the annual energy yield of thin heterojunction solar modules that are equipped with optimized anti-reflective and light trapping titanium dioxide nanodisk square arrays. Compared with flat optimized anti-reflective coatings the yield can go up to 23.3 %rel and 43.0 %rel for mono- and bifacial solar modules.
E. Slivina, et al. Annual energy yield of mono- and bifacial silicon heterojunction solar modules with high-index dielectric nanodisk arrays as anti-reflective and light trapping structures. Opt. Express, 29, 34494 (2021).
2021 DOI Publication link
Photovoltaics, Light Scattering Computation
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Metasurface-enhanced photon upconversion upon 1550 nm excitation
Erbium ions (Er3+) used for photon upconversion suffer from a low absorption cross-section and a low brightness. The ability of silicon metasurfaces to provide greatly enhanced electrical near-fields is employed to gain a more than 2400-fold enhanced photon upconversion. With the aid of optical simulations using JCMsuite, the enhancement is attributed to the excitation of metasurface resonances from specific incident angles.
D. Ahiboz, et al. Metasurface-Enhanced Photon Upconversion upon 1550 nm Excitation. Adv. Opt. Mater. 2101285 (2021).
2021 DOI Publication link
Metamaterials, nonlinear optics, Light Scattering Computation
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Shape- and element-sensitive reconstruction of periodic nanostructures with grazing incidence X-ray fluorescence analysis and machine learning
The angular resolved fluorescence signal from a grazing incidence X-ray illumination of periodic nanostructures is used to reconstruct its geometry parameters. The parameter reconstruction using JCMsuite is based on a finite-element model of the scattering and fluorescence process as well as an efficient Bayesian minimization of the disagreement between the simulated and the measured fluorescence signal.
A. Andrle, et al. Shape- and element-sensitive reconstruction of periodic nanostructures with grazing incidence X-ray fluorescence analysis and machine learning. Nanomaterials, 11, 7 (2021).
2021 DOI Publication link
Optical Metrology and Sensing, Light Scattering Computation, Optimization and Parameter Retrieval Methods, Uncertainty Quantification Methods
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Effects of symmetry-breaking on electromagnetic backscattering
The Kerker effect, i.e. the total suppression of back scattering, is a consequence of the rotational and duality symmetry of the system. The effect of the breaking of each of the symmetries on the backscattering on the system is numerically investigated.
M. I. Abdelrahman, et al. Effects of symmetry-breaking on electromagnetic backscattering. Sci. Rep., 11, 1721 (2021).
2021 DOI Publication link
Metamaterials, nonlinear optics, Light Scattering Computation
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Recent advances in Bayesian optimization with applications to parameter reconstruction in optical nano-metrology
A Bayesian target vector optimization method is presented that enables the fast reconstruction of model parameters from measurements. It combines the advantages of conventional Bayesian optimization with specialized curve fitting algorithms such as the Levenberg-Marquardt method. The method is implemented in JCMsuite's Analysis and Optimization Toolkit.
M. Plock, et al. Recent advances in Bayesian optimization with applications to parameter reconstruction in optical nano-metrology. Proc. SPIE 11783,117830J (2021).
2021 DOI Publication link
Optical Metrology and Sensing, Optimization and Parameter Retrieval Methods
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Uncertainties in the reconstruction of nanostructures in EUV scatterometry and grazing incidence small-angle X-ray scattering
EUV scatterometry and grazing-incidence small-angle X-ray scattering (GISAXS) are compared for the parameter reconstruction of nanostructured surfaces. The reconstruction is based on a rigorous simulation with JCMsuite.
A. F. Herrero, et al. Uncertainties in the reconstruction of nanostructures in EUV scatterometry and grazing incidence small-angle X-ray scattering. Opt. Express, 29, 35580 (2021).
2021 DOI Publication link
Optical Metrology and Sensing, Light Scattering Computation
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Emission properties of quantum dashes on a DBR as single-photon emitters
The efficiency of quantum dash single-photon emitters can be increased if the quantum dashes are embedded in cylindrical mesas. This is demonstrated by photoluminescence spectra and numerical simulations using JCMsuite.
P. Wyborski, et al. InP-Substrate-Based Quantum Dashes on a DBR as Single-Photon Emitters at the Third Telecommunication Window. Materials, 14, 4 (2021).
2021 DOI Publication link
Light Sources, quantum optics, Light Scattering Computation
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Deterministically fabricated spectrally-tunable quantum dot based single-photon source
A spectrally-tunable quantum light sources is presented, which consitst of a quantum-dot integrated into a microlens that is bonded onto a piezoelectric actuator. The device and lens geometry were optimized using JCMsuite.
M. Schmidt, et al. Deterministically fabricated spectrally-tunable quantum dot based single-photon source. Optical Materials Express, 10.1, 76 (2020).
2020 DOI Publication link
Light Sources, integrated optics, quantum optics, Light Scattering Computation, Optimization and Parameter Retrieval Methods
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Efficient plansmonic hot-electron generation for H2O2 Synthesis
Plasmonic metal nanostructures can absorb visible light and generate hot electrons that facilitating further electrochemical reactions such as H2O2 synthesis. A metal–insulator–metal structure of Au nanoparticles on a ZnO/TiO2/Al film is designed and studied. JCMsuite was used to determine the best dielectric spacer thickness to maximize the Au absorption.
D. E. Willis, et al. Critical Coupling of Visible Light Extends Hot-Electron Lifetimes for H2O2 Synthesis. ACS Applied Materials & Interfaces, 12(20), 22778 (2020).
2020 DOI Publication link
photocatalysis, plasmonics, Light Scattering Computation
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Flat optics in high numerical aperture broadband imaging systems
Integrating diffractive lenses (DLs) into optical imaging systems often significantly decrease their size or increase their performance. Despite only efficient for small diffraction angles, it is quantitavily shown that DLs are suitable for high-numerical-aperture systems. JCMsuite is used to simulate the diffraction properties in the limit of infinitely periodic structures.
D. Werdehausen, et al. Flat optics in high numerical aperture broadband imaging systems. Journal of Optics, 22(6), 065607 (2020).
2020 DOI Publication link
Metamaterials, diffractive optics, Light Scattering Computation
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Helicity-Preserving Optical Cavity Modes for Enhanced Sensing of Chiral Molecules
The handedness of chiral molecules can be detected by circular dichroism (CD). The work introduces a cavity composed of two parallel arrays of helicity-preserving silicon disks that allows one to enhance the CD signal by more than 2 orders of magnitude. In order to study the system numerically, JCMsuite is used to determine the T-matrix of the silicon cylinders.
J. Feis, et al. Helicity-Preserving Optical Cavity Modes for Enhanced Sensing of Chiral Molecules. Phys. Rev. Lett. 124, 033201 (2020).
2020 DOI
Optical Metrology and Sensing, optical chirality, Light Scattering Computation