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Reversible optical data storage below the diffraction limit
Colour centres in wide-bandgap semiconductors feature metastable charge states that can be interconverted with the help of optical excitation at...
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Dichroic Optical Diode Transmission in Two Dislocated Parallel Metallic Gratings
An optical diode structure with two dislocated parallel metallic gratings is proposed and investigated numerically. Dichroic optical diode...
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Optical and electrical anisotropy regulation engineering of low-dimensional materials toward polarized detection and imaging applications
Polarized-sensitive image sensors are a kind of photodetector with great development potential due to their enhanced ability to detect and identify...
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Understanding the impact of heavy ions and tailoring the optical properties of large-area monolayer WS2 using focused ion beam
Focused ion beam (FIB) is an effective tool for precise nanoscale fabrication. It has recently been employed to tailor defect engineering in...
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Migrating photon avalanche in different emitters at the nanoscale enables 46th-order optical nonlinearity
A photon avalanche (PA) effect that occurs in lanthanide-doped solids gives rise to a giant nonlinear response in the luminescence intensity to the...
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Transparent vertical nanotube electrode arrays on graphene for cellular recording and optical imaging
Here, we report the fabrication of transparent multichannel vertical nanotube electrode arrays for detecting cellular activity and optically imaging...
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Emerging Applications of Optical Fiber-Based Devices for Brain Research
Research in neuroscience and neuroengineering has attracted tremendous interest in the past decades. However, the complexity of the brain tissue, in...
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Polymer Dispersed Liquid Crystals
A polymer dispersed liquid crystal (PDLC) is a two-phase system containing liquid crystal (LC) domains, usually in the form of droplets, which are...
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Alloying-engineered high-performance broadband polarized Bi1.3In0.7Se3 photodetector with ultrafast response
Topological insulators have important potential for applications in the field of nano/micro-optoelectronic devices. However, the large dark current...
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Fabrication, microstructures, and optical properties of Yb:Lu2O3 laser ceramics from co-precipitated nano-powders
The Yb:Lu 2 O 3 precursor made up of spherical particles was synthesized through the co-precipitation method in the water/ethanol solvent. The 5 at%...
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Micro-photoluminescence (µ-PL)
Photoluminescence is a form of light emission from a material which is initiated by the excitation of the electronic system of the material by...
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Highly aligned organic microwire crystal arrays for high-performance polarization-sensitive photodetectors and image sensors
Organic semiconductors with excellent optoelectronic properties are important building blocks for high-performance organic devices. Patterning...
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Scanning Probe Microscopies (SPMs)
Part I: Atom Force Microscope (AFM) belongs to the family of scanning probe microscopes (SPMs) where a very sharp probe scans the surface in a full-...
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Fluorescence-amplified nanocrystals in the second near-infrared window for in vivo real-time dynamic multiplexed imaging
Optical imaging in the second near-infrared window (NIR-II, 1,000–1,700 nm) holds great promise for non-invasive in vivo detection. However,...
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Ultrafast, broadband and polarization-sensitive photodetector enabled by MoTe2/Ta2NiSe5/MoTe2 van der Waals dual heterojunction
The emergence of cutting-edge technology has spurred an urgent demand for highly efficient photodetectors, due to their crucial applications in...
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Single quantum dot spectroscopy for exciton dynamics
Colloidal semiconductor quantum dots (QDs) exhibit broadband light absorption, continuously tunable narrowband emission, and high photoluminescence...
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A universal strategy for narrowband organic photodetectors enabling arbitrary narrow spectrum detection
Narrowband photodetectors (PDs) with remarkable comprehensive performance are extensively in demand in critical applications such as spectrometers,...
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Light trap** enhanced broadband photodetection and imaging based on MoSe2/pyramid Si vdW heterojunction
Two-dimensional (2D) layered materials have been considered promising candidates for next-generation optoelectronics. However, the performance of 2D...
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Optics
Discussions in this chapter are not about LED devices, yet knowledge of optics is indispensable when discussing light. The first section reviews...
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Flexible micro-LED display and its application in Gbps multi-channel visible light communication
A flexible full-color micro-LED display with high mechanical robustness was fabricated by printing quantum dots (QDs) on a blue micro-LED array using...
