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With the development of optical technology, LCs with intelligent light protection function become more and more important. This paper discusses the research progress and challenges of LCs for light protection.
Rotation-angle-dependent phonon-assisted photon upconversion in twisted two-dimensional semiconductor is investigated. Lattice relaxation along with enhanced pump efficiency, lead to an inverted contrast between upconversion and conventional photoluminescence.
Wafer-scale phase-controlled 2D MoTe2 layers was synthesized for in-situ fabrication of room-temperature high-performance broadband infrared photodetector and device array.
Prof. Guangcan Guo took it upon himself to delve into quantum optics and quantum informatics, which helped to accelerate the development of quantum science in China.
We demonstrate that voids in high-index dielectrics support localized resonant modes which are confined in air and thus do not suffer from the loss and dispersion of the host medium
Colloidal quantum dot gradient homojunction would effectively improve the detectivity of mid-infrared photodetector at high-operating temperatures, motivating interest in low-cost, solution-processed and high-performance mid-infrared photodetection.
We present a high-performance integrated platform for broadband active and passive coherent photonics based on planarized THz quantum cascade lasers, featuring low losses and improved dispersion, RF and thermal properties.
To gain an insight into the lattice and band structure of blue perovskite NC emitters, doping organic cations (FA+) reduces nonradiative recombination at room temperature. The FA+ significantly decreases exciton quenching and phonon energy scattering via manipulating hot carriers and electron filling in band structure.
The proposed adaptive-learning framework empowers automatic design of quantum receivers capable of combating noise in distinguishing large-alphabet nonorthogonal quantum states. Experiments show up to 40% improvement over standard approaches.
Boltzmann thermometers rely on the luminescence from energy levels in thermal equilibrium. Understanding of factors that enhance equilibration allows the design of lanthanide-based thermometers with extended operating range.
Highly efficient and stable white LEDs were fabricated based on Eu3+ doped CsxK1-xPbCl3 PeNCs, in which the PeNC film experienced the band engineering and defect passivation treatment.
Holes of 10–30 nm in diameter are produced on sapphire with a depth to width aspect ratio of over 16 and a zero taper with a single pulse longitudinal field.