Applications
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Universal design method for bright quantum light sources based on circular Bragg grating cavities
An efficient design scheme of quantum light sources based on hybrid circular Bragg grating with and without contact bridges is developed. Within the publication, JCMsuite is used to evaluate the optimized structures and to compute for example the extraction efficiency.
H.-W. Shih, et al., Universal design method for bright quantum light sources based on circular Bragg grating cavities. Opt. Express, 31, 35552-35564, 2023.
2023 DOI Publication link
Light Sources, optical resonators and antennas, quantum optics, Resonance Mode Computation
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Inverse Design of a Hybrid Mie-Tamm Photonic Structure as a Highly Directional Gigahertz Single-Photon Source
A highly directional Gigahertz single-photon source, based on the concept of a hybrid Mie-Tamm resonance is presented. JCMsuit is applied for the parameter optimization, herein geometric properties and the dipole position are studied.
J.M. Llorens, et al., Inverse Design of a Hybrid Mie-Tamm Photonic Structure as a Highly Directional Gigahertz Single-Photon Source. Phys. Rev. Applied, 19, 034054 (2023).
2023 DOI Publication link
Light Sources, Light Scattering Computation
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Scalable deterministic integration of two quantum dots into an on-chip quantum circuit
An integrated quantum photonic circuit with two deterministically integrated quantum emitters is presented. Full 3D simulations with JCMsuite are performed to optimize the nanobeam cavity concerning the Purcell factor and the coupling efficiency into the waveguide.
S. Li, et al. Scalable deterministic integration of two quantum dots into an on-chip quantum circuit. ACS Photonics, 10. Jg., Nr. 8, S. 2846-2853, (2023).
2023 DOI Publication link
Light Sources, integrated optics, optical resonators and antennas, quantum optics, Light Scattering Computation
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High-performance designs for fiber-pigtailed quantum-light sources based on quantum dots in electrically-controlled circular Bragg gratings
A surrogate model combined with a Bayesian optimization approach to perform numerical optimization of the coupling from a hybrid circular Bragg grating to a fiber is presented. Resonance mode and scattering simulations are performed within JCMsuite where parameters such as the Purcell factor, the fiber coupling efficiency, and the collection efficiency are determined.
L. Rickert, et al., High-performance designs for fiber-pigtailed quantum-light sources based on quantum dots in electrically-controlled circular Bragg gratings. Opt. Express 31, 14750-14770 (2023).
2023 DOI Publication link
Light Sources, integrated optics, optical resonators and antennas, Resonance Mode Computation
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Near-unity Efficiency in Ridge Waveguide-based, On-chip Single-photon Sources
In this paper, a design for pursuing a near-unity coupling efficiency in quantum dot cavity ridge waveguide single-photon sources is presented. Simulations are performed to achieve constructive interference and low scattering losses within the cavity and to overcome the issue of the mode mismatch of the cavity and the Bloch mode in the nanobeam.
Y. J. Wang et al. Near-unity efficiency in ridge waveguide-based, on-chip single-photon sources. Mater. Quantum. Technol. 2.4 (2022).
2022 DOI Publication link
Light Sources, optical resonators and antennas, quantum optics, Resonance Mode Computation
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Machine learning enhanced in situ electron beam lithography of photonic nanostructures
Pattern recognition based on specifically trained machine learning algorithms is applied to strongly enhance the capabilities of in-situ electron beam lithography. This is applied to integrate single InGaAs quantum dots into circular Bragg grating resonators, with an optimized device design derived using JCMsuite.
J. Donges et al. Machine learning enhanced in situ electron beam lithography of photonic nanostructures. Nanoscale 14, 14529 (2022).
2022 DOI Publication link
Light Sources, integrated optics, optical resonators and antennas, quantum optics, Optimization and Parameter Retrieval Methods
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Numerical optimization of single-mode fiber-coupled single-photon sources based on semiconductor quantum dots
Fiber-coupled single-photon sources emitting in the near-infrared, O- and C-band are designed for high photon coupling efficiencies. Extensive numerical simulations and optimizations with JCMsuite are performed to maximize the photon extraction and fiber-coupling efficiency of quantum dot single-photon sources based on micro mesas, microlenses, circular Bragg grating cavities, and micropillars.
L. Bremer, et al. Numerical optimization of single-mode fiber-coupled single-photon sources based on semiconductor quantum dots. Opt. Express 30, 15913-15928 (2022)
2022 DOI Publication link
Light Sources, quantum optics, Light Scattering Computation, Optimization and Parameter Retrieval Methods
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Tripling the Light Extraction Efficiency of a Deep Ultraviolet LED Using a Nanostructured p-Contact
An ultraviolet LED with a new structure, that overcomes the low light extrection efficiency due to highliy absorbing p-contacts is presented. The structure is analysed via numerical simulations of the LEE and the normalized emitted power into the substrate.
E. Lopez-Fraguas, et al. Tripling the light extraction efficiency of a deep ultraviolet LED using a nanostructured p-contact. Sci Rep 12, 11480 (2022).
2022 DOI Publication link
Light Sources, 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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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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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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Micropillar lasers
JCMsuite is used to compute modes of micropillar lasers
A. Kaganskiy, et al. Micropillar lasers with site-controlled Optica 6, 404 (2019).
2019 DOI
Light Sources, integrated optics, optical resonators and antennas, quantum optics, Resonance Mode Computation
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Enhanced magnetic dipole emission with Mie-resonant dielectric metasurfaces
Mie-resonant high-index dielectric nanoparticles and metasurfaces can enhance fluorescence from emitters in the near field. This opens opportunities for new, bright nanoscale light sources. JCMsuite has been used in this study to simulating magnetic dipole emission.
A. Vaskin, et al. Manipulation of Magnetic Dipole Emission from Eu3+ with Mie-Resonant Dielectric Metasurfaces. Nano Lett. 19, 1015 (2019).
2019 DOI
Light Sources, Metamaterials, optical resonators and antennas, Light Scattering Computation
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Numerical design for micropillar quantum light sources
JCMsuite has been used for design and investigation of micropillars with site-controlled quantum dots.
A. Kaganskiy, et al. Micropillars with a controlled number of site-controlled quantum dots. Appl. Phys. Lett. 112, 071101 (2018).
2018 DOI Publication link
Light Sources, optical resonators and antennas, quantum optics, Resonance Mode Computation
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Enhanced the photon-extraction efficiency of quantum dots by using microlenses
Deterministically fabricated microlenses are used to realized high extraction efficiency from single quantum dots. FEM simulations allow for device design.
A. Kaganskiy, et al. Enhancing the photon-extraction efficiency of site-controlled quantum dots by deterministically fabricated microlenses, Opt. Commun. 413, 162 (2018).
2018 DOI
Light Sources, other fields, quantum optics, Advanced Finite Element Methods, Light Scattering Computation
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Computation of Dielectric, Plasmonic, and Hybrid Modes in Whispering-Gallery-Mode Resonators
Metal coated whispering-gallery-mode resonators support a variety of electromagnetic modes. JCMsuite is used for mode computation and classification.
C. Klusmann, et al. Identification of Dielectric, Plasmonic, and Hybrid Modes in Metal-Coated Whispering-Gallery-Mode Resonators. ACS Photonics 5, 2365 (2018).
2018 DOI
Light Sources, integrated optics, optical resonators and antennas, quantum optics, Resonance Mode Computation
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Dye-doped polymeric whispering gallery mode micro-lasers
FEM simulations are used in the analysis of experimentally realized dye-doped polymeric whispering gallery mode micro-lasers.
T. Siegle, et al. Comparison of various excitation and detection schemes for dye-doped polymeric whispering gallery mode micro-lasers. Opt. Express 26, 3579 (2018).
2018 DOI Publication link
Light Sources, integrated optics, optical resonators and antennas, Resonance Mode Computation
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Numerical optimization of the extraction efficiency of a quantum-dot based single-photon emitter into a single-mode fiber
The publication introduces a finite-element method for the accurate and efficient simulation of strongly localized light sources, such as quantum dots, embedded in dielectric micro-optical structures. The method is applied in order to optimize the photon extraction efficiency of a single-photon emitter and to study the robustness of the extraction efficiency with respect to fabrication errors and defects.
P.-I. Schneider, et al. Numerical optimization of the extraction efficiency of a quantum-dot based single-photon emitter into a single-mode fiber. Opt. Express 26, 8479 (2018).
2018 DOI Publication link
Light Sources, quantum optics, Advanced Finite Element Methods
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Quantum dot micropillar arrays for applications in photonic information processing
Dense quantum dot micropillar arrays have been fabricated and investigated experimentally. The impact of design parameters like the diameter of the micropillars on Q-factors is investigated numerically using JCMsuite.
T. Heuser, et al. Fabrication of dense diameter-tuned quantum dot micropillar arrays for applications in photonic information processing. APL Photonics 3, 116103 (2018).
2018 DOI Publication link
Light Sources, optical resonators and antennas, quantum optics, Resonance Mode Computation