Search Results - "Nielsen, Michael P"

Enhanced Third Harmonic Generation in Single Germanium Nanodisks Excited at the Anapole Mode by Grinblat, Gustavo, Li, Yi, Nielsen, Michael P, Oulton, Rupert F, Maier, Stefan A

“…We present an all-dielectric germanium nanosystem exhibiting a strong third order nonlinear response and efficient third harmonic generation in the optical…”
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Efficient Third Harmonic Generation and Nonlinear Subwavelength Imaging at a Higher-Order Anapole Mode in a Single Germanium Nanodisk by Grinblat, Gustavo, Li, Yi, Nielsen, Michael P, Oulton, Rupert F, Maier, Stefan A

“…Benefiting from large intrinsic nonlinearities, low absorption, and high field enhancement abilities, all-dielectric nanoantennas are considered essential for…”
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Giant nonlinear response at a plasmonic nanofocus drives efficient four-wave mixing by Nielsen, Michael P., Shi, Xingyuan, Dichtl, Paul, Maier, Stefan A., Oulton, Rupert F.

“…Efficient optical frequency mixing typically must accumulate over large interaction lengths because nonlinear responses in natural materials are inherently…”
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Giant and Tunable Optical Nonlinearity in Single‐Crystalline 2D Perovskites due to Excitonic and Plasma Effects by Abdelwahab, Ibrahim, Dichtl, Paul, Grinblat, Gustavo, Leng, Kai, Chi, Xiao, Park, In‐Hyeok, Nielsen, Michael P., Oulton, Rupert F., Loh, Kian Ping, Maier, Stefan A.

“…Materials with large optical nonlinearity, especially in the visible spectral region, are in great demand for applications in all‐optical information…”
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Quasi-Vertically-Orientated Antimony Sulfide Inorganic Thin-Film Solar Cells Achieved by Vapor Transport Deposition by Zeng, Yiyu, Sun, Kaiwen, Huang, Jialiang, Nielsen, Michael P, Ji, Fan, Sha, Chuhan, Yuan, Shengjie, Zhang, Xueyun, Yan, Chang, Liu, Xu, Deng, Hui, Lai, Yanqing, Seidel, Jan, Ekins-Daukes, Ned, Liu, Fangyang, Song, Haisheng, Green, Martin, Hao, Xiaojing

“…The one-dimensional photovoltaic absorber material Sb2S3 requires crystal orientation engineering to enable efficient carrier transport. In this work, we…”
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Emission enhancement of erbium in a reverse nanofocusing waveguide by Güsken, Nicholas A., Fu, Ming, Zapf, Maximilian, Nielsen, Michael P., Dichtl, Paul, Röder, Robert, Clark, Alex S., Maier, Stefan A., Ronning, Carsten, Oulton, Rupert F.

“…Since Purcell’s seminal report 75 years ago, electromagnetic resonators have been used to control light-matter interactions to make brighter radiation sources…”
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Adiabatic Nanofocusing in Hybrid Gap Plasmon Waveguides on the Silicon-on-Insulator Platform by Nielsen, Michael P, Lafone, Lucas, Rakovich, Aliaksandra, Sidiropoulos, Themistoklis P. H, Rahmani, Mohsen, Maier, Stefan A, Oulton, Rupert F

“…We present an experimental demonstration of a new class of hybrid gap plasmon waveguides on the silicon-on-insulator (SOI) platform. Created by the…”
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Anomalous Structural Evolution and Glassy Lattice in Mixed‐Halide Hybrid Perovskites by Shahrokhi, Shamim, Dubajic, Milos, Dai, Zhi‐Zhan, Bhattacharyya, Saroj, Mole, Richard A., Rule, Kirrily C., Bhadbhade, Mohan, Tian, Ruoming, Mussakhanuly, Nursultan, Guan, Xinwei, Yin, Yuewei, Nielsen, Michael P., Hu, Long, Lin, Chun‐Ho, Chang, Shery L. Y., Wang, Danyang, Kabakova, Irina V., Conibeer, Gavin, Bremner, Stephen, Li, Xiao‐Guang, Cazorla, Claudio, Wu, Tom

“…Hybrid halide perovskites have emerged as highly promising photovoltaic materials because of their exceptional optoelectronic properties, which are often…”
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Efficient ultrafast all-optical modulation in a nonlinear crystalline gallium phosphide nanodisk at the anapole excitation by Grinblat, Gustavo, Zhang, Haizhong, Nielsen, Michael P., Krivitsky, Leonid, Berté, Rodrigo, Li, Yi, Tilmann, Benjamin, Cortés, Emiliano, Oulton, Rupert F., Kuznetsov, Arseniy I., Maier, Stefan A.

“…A crystalline gallium phosphide nanodisk is shown to be the most efficient sub–100-fs nanoscale all-optical switch. High–refractive index nanostructured…”
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Hybrid gap plasmon GaAs nanolasers by Nguyen, Ngoc B., Nielsen, Michael P., Lafone, Lucas, Clarke, Edmund, Fry, Paul, Oulton, Rupert F.

“…Compact semiconductor lasers with sub-wavelength-scale dimensions rely heavily on materials with low surface recombination due to the large surface area to…”
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Identifying optimal photovoltaic technologies for underwater applications by Röhr, Jason A., Sartor, B. Edward, Duenow, Joel N., Qin, Zilun, Meng, Juan, Lipton, Jason, Maclean, Stephen A., Römer, Udo, Nielsen, Michael P., Zhao, Suling, Kong, Jaemin, Reese, Matthew O., Steiner, Myles A., Ekins-Daukes, N.J., Taylor, André D.

“…Improving solar energy collection in aquatic environments would allow for superior environmental monitoring and remote sensing, but the identification of…”
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Sub-20 fs All-Optical Switching in a Single Au-Clad Si Nanodisk by Grinblat, Gustavo, Berté, Rodrigo, Nielsen, Michael P, Li, Yi, Oulton, Rupert F, Maier, Stefan A

“…Dielectric nanoantennas have recently emerged as promising elements for nonlinear and ultrafast nanophotonics due to their ability to concentrate light on the…”
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Ultrafast All-Optical Modulation in 2D Hybrid Perovskites by Grinblat, Gustavo, Abdelwahab, Ibrahim, Nielsen, Michael P, Dichtl, Paul, Leng, Kai, Oulton, Rupert F, Loh, Kian Ping, Maier, Stefan A

“…Two-dimensional (2D) hybrid organic–inorganic Ruddlesden–Popper perovskites (RPPs) have been recently shown to exhibit large nonlinear optical properties due…”
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Compact Optical Antenna Coupler for Silicon Photonics Characterized by Third-Harmonic Generation by Sidiropoulos, Themistoklis P. H, Nielsen, Michael P, Roschuk, Tyler R, Zayats, Anatoly V, Maier, Stefan A, Oulton, Rupert F

“…We exploit the strong interaction between a focused free-space beam and an optical antenna to construct a compact and efficient silicon waveguide coupler…”
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High Efficiency Inverted GaAs and GaInP/GaAs Solar Cells With Strain‐Balanced GaInAs/GaAsP Quantum Wells by Steiner, Myles A., France, Ryan M., Buencuerpo, Jeronimo, Geisz, John F., Nielsen, Michael P., Pusch, Andreas, Olavarria, Waldo J., Young, Michelle, Ekins‐Daukes, Nicholas J.

“…High‐efficiency solar cells are essential for high‐density terrestrial applications, as well as space and potentially vehicle applications. The optimum bandgap…”
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Semiconductor thermoradiative power conversion by Nielsen, Michael P., Pusch, Andreas, Pearce, Phoebe M., Sazzad, Muhammad H., Reece, Peter J., Green, Martin A., Ekins-Daukes, Nicholas J.

“…Power can be generated from radiative exchange between two bodies with different temperatures—from the radiative cooling of the Earth’s surface into space, for…”
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Degenerate Four-Wave Mixing in a Multiresonant Germanium Nanodisk by Grinblat, Gustavo, Li, Yi, Nielsen, Michael P, Oulton, Rupert F, Maier, Stefan A

“…Dielectric nanoantennas excited at Mie resonances are becoming suitable candidates for nonlinear optical effects due to their large intrinsic nonlinearity and…”
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Long‐Lived Acoustic Phonon and Carrier Dynamics in III–V Adiabatic Cavities by Hanif, Muhammad, Dubajic, Milos, Sreerag, Sujakala J., Kini, Rajeev N., Conibeer, Gavin J., Nielsen, Michael P., Bremner, Stephen P.

“…Evidence of strongly confined coherent acoustic phonons inside high quality factor phononic cavities that exhibit tailored phonon potentials is provided. Using…”
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Ultrafast sub-30-fs all-optical switching based on gallium phosphide by Grinblat, Gustavo, Nielsen, Michael P, Dichtl, Paul, Li, Yi, Oulton, Rupert F, Maier, Stefan A

“…Gallium phosphide (GaP) is one of the few available materials with strong optical nonlinearity and negligible losses in the visible (λ > 450 nm) and…”
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Probing Nanoscale Charge Transport Mechanisms in Quasi-2D Halide Perovskites for Photovoltaic Applications by Shim, Hongjae, Sharma, Abhinav S., Mishra, Rishabh, Han, Jonghoon, Lim, Jihoo, Zhang, Dawei, Teh, Zhi Li, Park, Jongsung, Seidel, Jan, Nielsen, Michael P., Green, Martin A., Huang, Shujuan, Yun, Jae Sung, Kim, Jincheol

“…Quasi-2D layered halide perovskites (quasi-2DLPs) have emerged as promising materials for photovoltaic (PV) applications owing to their advantageous bandgap…”
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