Search Results - "Anttu, Nicklas"

Absorption of Light in Vertical III-V Semiconductor Nanowires for Solar Cell and Photodetector Applications by Anttu, Nicklas

“…Vertical III-V semiconductor nanowires have shown promising absorption of light for solar cell and photodetector applications. The absorption properties can be…”
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Absorption of Light in Finite Semiconductor Nanowire Arrays and the Effect of Missing Nanowires by Anttu, Nicklas

“…When modelling the absorption in semiconductor nanowire (NW) arrays for solar cell and photodetector applications, the array is typically assumed to be…”
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Falling Beads on a Falling Rod by Lindén, Johan, Anttu, Nicklas

“…The falling rod paradox, i.e. the fact that the tip of an almost horizontal rod falls with an acceleration 'higher than g', when the other end is hinged or…”
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Single-photon sources with quantum dots in III–V nanowires by Mäntynen, Henrik, Anttu, Nicklas, Sun, Zhipei, Lipsanen, Harri

“…Single-photon sources are one of the key components in quantum photonics applications. These sources ideally emit a single photon at a time, are highly…”
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InP Nanowire Array Solar Cells Achieving 13.8% Efficiency by Exceeding the Ray Optics Limit by Wallentin, Jesper, Anttu, Nicklas, Asoli, Damir, Huffman, Maria, Åberg, Ingvar, Magnusson, Martin H., Siefer, Gerald, Fuss-Kailuweit, Peter, Dimroth, Frank, Witzigmann, Bernd, Xu, H. Q., Samuelson, Lars, Deppert, Knut, Borgström, Magnus T.

“…Photovoltaics based on nanowire arrays could reduce cost and materials consumption compared with planar devices but have exhibited low efficiency of light…”
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Efficient light management in vertical nanowire arrays for photovoltaics by Anttu, Nicklas, Xu, H. Q.

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Nanowire Oligomer Waveguide Modes towards Reduced Lasing Threshold by Mäntynen, Henrik, Anttu, Nicklas, Lipsanen, Harri

“…Semiconductor nanowires offer a promising route of realizing nanolasers for the next generation of chip-scale optoelectronics and photonics applications…”
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Design for strong absorption in a nanowire array tandem solar cell by Chen, Yang, Pistol, Mats-Erik, Anttu, Nicklas

“…Semiconductor nanowires are a promising candidate for next-generation solar cells. However, the optical response of nanowires is, due to diffraction effects,…”
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Absorption of light in InP nanowire arrays by Anttu, Nicklas, Abrand, Alireza, Asoli, Damir, Heurlin, Magnus, Åberg, Ingvar, Samuelson, Lars, Borgström, Magnus

“…An understanding of the absorption of light is essential for efficient photovoltaic and photodetection applications with III-V nanowire arrays. Here, we…”
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Comparison of absorption simulation in semiconductor nanowire and nanocone arrays with the Fourier modal method, the finite element method, and the finite-difference time-domain method by Anttu, Nicklas, Mäntynen, Henrik, Sadi, Toufik, Matikainen, Antti, Turunen, Jari, Lipsanen, Harri

“…For the design of nanostructured semiconductor solar cells and photodetectors, optics modelling can be a useful tool that reduces the need of time-consuming…”
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Symmetry Reduction in FEM Optics Modeling of Single and Periodic Nanostructures by Mäntynen, Henrik, Lipsanen, Harri, Anttu, Nicklas

“…Numerical optics modeling is an invaluable tool in the design of nanostructures for nanophotonics applications where diffraction effects often lead to complex…”
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Analysis of Nanowire pn-Junction with Combined Current-Voltage, Electron-Beam-Induced Current, Cathodoluminescence, and Electron Holography Characterization by Anttu, Nicklas, Fiordaliso, Elisabetta Maria, Garcia, José Cano, Vescovi, Giuliano, Lindgren, David

“…We present the characterization of a pn-junction GaAs nanowire. For the characterization, current-voltage, electron-beam-induced current, cathodoluminescence,…”
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Increased absorption in InAsSb nanowire clusters through coupled optical modes by Svensson, Johannes, Chen, Yang, Anttu, Nicklas, Pistol, Mats-Erik, Wernersson, Lars-Erik

“…Nanowires can act as efficient light absorbers where waveguide modes are resonant to specific wavelengths. This resonant wavelength can easily be tuned by the…”
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Performance of GaAs Nanowire Array Solar Cells for Varying Incidence Angles by Ghahfarokhi, Omid Madani, Anttu, Nicklas, Samuelson, Lars, Aberg, Ingvar

“…Nanowire array solar cells show intrinsic light trapping and absorption enhancement properties due to the diffraction and optical resonances. Here, we report…”
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Modeling selective narrowband light absorption in coaxial InAs-GaAs0.1Sb0.9 nanowires with partial shell segment coverage by Abrand, Alireza, Anttu, Nicklas, Mohseni, Parsian K

“…Vertical III-V nanowire (NW) arrays are promising candidates for infrared (IR) photodetection applications. Generally, NWs with large diameters are required…”
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Tailored emission to boost open-circuit voltage in solar cells by Anttu, Nicklas, Kivisaari, Pyry, Chen, Yang

“…Recently, a lot of research focus has been on how to make solar cells more efficient. One direction is to enhance the open-circuit voltage Voc by optimizing…”
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Measurement of Nanowire Optical Modes Using Cross-Polarization Microscopy by Kakko, Joona-Pekko, Matikainen, Antti, Anttu, Nicklas, Kujala, Sami, Mäntynen, Henrik, Khayrudinov, Vladislav, Autere, Anton, Sun, Zhipei, Lipsanen, Harri

“…A method to detect optical modes from vertical InGaAs nanowires (NWs) using cross-polarization microscopy is presented. Light scattered from the optical modes…”
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Geometry Tailoring of Emission from Semiconductor Nanowires and Nanocones by Anttu, Nicklas, Mäntynen, Henrik, Sorokina, Anastasiia, Kivisaari, Pyry, Sadi, Toufik, Lipsanen, Harri

“…Semiconductor nanowires are of interest as light emitters in applications such as light-emitting diodes and single-photon sources. Due to the three-dimensional…”
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Confinement effects on Brillouin scattering in semiconductor nanowire photonic crystal by Mante, Pierre Adrien, Anttu, Nicklas, Zhang, Wei, Wallentin, Jesper, Chen, I. Ju, Lehmann, Sebastian, Heurlin, Magnus, Borgström, Magnus T., Pistol, Mats Erik, Yartsev, Arkady

“…Scattering of photons by phonons, or Brillouin scattering, enables manipulation and control of light and has led to revolutionary applications, from slow light…”
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Optimized Absorption of Light in Perovskite Nanowire Solar Cells by Salimian, Sina, Anttu, Nicklas

“…Nanotechnology 35, 175206 (2024) Metal halide perovskite nanowires (PrvNWs) have recently emerged as an interesting path for nanostructured solar cells. Here,…”
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