Giant two-photon upconversion from 2D exciton in doubly-resonant plasmonic nanocavity [PDF]
Light: Science & ApplicationsPhoton upconversion through high harmonic generation, multiphoton absorption, Auger recombination and phonon scattering performs a vital role in energy conversion and renormalization.
Fangxun Liu +13 more
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Photon Upconversion in Small Molecules [PDF]
Molecules, 2022 Upconversion (UC) is a process that describes the emission of shorter-wavelength light compared to that of the excitation source. Thus, UC is also referred to as anti-Stokes emission because the excitation wavelength is longer than the emission ...
Dorota Bartusik-Aebisher +5 more
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Four- and five-photon upconversion lasing from rare earth elements under continuous-wave pump and room temperature [PDF]
Nanophotonics, 2022 Benefited from abundant long-lived intermediate energy levels of rear earth elements, large anti-Stokes lasing can be realized by multi-photon upconversion processes, which does not demand rigorous phase match and ultrahigh pump power.
Jiang Bo +5 more
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Chiral dual-annihilator model for controllable photon upconversion and multi-dimensional optical modulation [PDF]
Nature CommunicationsTriplet-triplet annihilation photon upconversion seeks efficient conversion of low-energy photons to high-energy emission. However, the triplet-triplet annihilation photon upconversion system faces limitations in emission gamut because efficient triplet ...
Honghan Ji +5 more
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Photon upconversion through triplet exciton-mediated energy relay [PDF]
Nature Communications, 2021 Photon upconversion in lanthanide-doped nanoparticles enables important technological developments. Here the authors demonstrate a mechanism leading to enhanced upconversion emission in core-shell nanoparticles, and long-distance energy transfer between ...
Sanyang Han +10 more
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Photon upconversion crystals doped bacterial cellulose composite films as recyclable photonic bioplastics [PDF]
Communications MaterialsBiopolymers currently utilized as substitutes for synthetic polymers in photonics applications are predominantly confined to linear optical color responses.
Pankaj Bharmoria +11 more
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Wide-field mid-infrared single-photon upconversion imaging [PDF]
Nature Communications, 2022 The authors present a simple yet effective solution to dramatically boost the performances of an upconversion imaging system, which leads to unprecedented mid-infrared imaging features with large field of view, single-photon sensitivity and a MHz-level ...
Kun Huang +4 more
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Efficient low-power photon upconversion in core/shell heterostructured semiconductor nanowires [PDF]
EPJ Web of Conferences, 2023 Photon energy upconversion, i.e. the conversion of several low-energy photons to a photon of higher energy, offers significant potential for nano-optoelectronics and nanophotonics applications.
Jansson Mattias +3 more
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Ultra-stable near-infrared Tm3+-doped upconversion nanoparticles for in vivo wide-field two-photon angiography with a low excitation intensity [PDF]
Journal of Innovative Optical Health Sciences, 2019 Two-photon luminescence with near-infrared (NIR) excitation of upconversion nanoparticles (NPs) is of great importance in biological imaging due to deep penetration in high-scattering tissues, low auto-luminescence and good sectioning ability ...
Wen Liu, Runze Chen, Sailing He
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Higher-Order Multiphoton Absorption Upconversion Lasing Based on ZnO/ZnMgO Multiple Quantum Wells
Nanomaterials, 2022 In the progress of nonlinear optics, multiphoton absorption (MPA) upconversion lasing enables many vital applications in bioimaging, three-dimensional optical data storage, and photodynamic therapy.
Shushu Ma +5 more
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