A5100708012- Photonic and Optical Devices
- Optical Coherence Tomography Applications
- Advanced Fiber Optic Sensors
- Mechanical and Optical Resonators
- Quantum Information and Cryptography
- Photoacoustic and Ultrasonic Imaging
- Advanced Fluorescence Microscopy Techniques
- Semiconductor Lasers and Optical Devices
- Advanced Fiber Laser Technologies
- Glaucoma and retinal disorders
- Mycotoxins in Agriculture and Food
- Plant Pathogens and Fungal Diseases
- Molecular Junctions and Nanostructures
- Biosensors and Analytical Detection
- Neural Networks and Reservoir Computing
- Pharmacological Effects and Assays
- Thermoelastic and Magnetoelastic Phenomena
- Advanced Sensor and Energy Harvesting Materials
- Photonic Crystal and Fiber Optics
- Quantum optics and atomic interactions
- ZnO doping and properties
- Advanced MEMS and NEMS Technologies
- Advanced Photonic Communication Systems
- Elasticity and Wave Propagation
- Quantum Computing Algorithms and Architecture
Songshan Lake Materials Laboratory
2021-2024
Hong Kong Polytechnic University
2024
Northeastern University
2024
Nanyang Technological University
2010-2023
Nanchang University
2011-2023
Huazhong University of Science and Technology
2023
Hunan University
2007-2022
Jilin University
2021
University of Electro-Communications
2018-2019
University of California, Los Angeles
2018
Abstract Quantum key distribution is a matured quantum science and technology. Over the last 20 years, there has been substantial research development in this area. Recently, silicon technology offered tremendous promise field for improved miniaturization of through integrated photonic chips. We expect further progress area both terms protocols, photon sources, detectors. This review captures some recent advances
Contrast agents are utilized in virtually every imaging modality to enhance diagnostic capabilities. We introduce a novel class of optical contrast agent, namely, encapsulating microspheres, that based not on fluorescence but scattering nanoparticles within the shell or core. The suitable for reflection- scattering-based techniques such as coherence tomography, light microscopy, and reflectance confocal microscopy. characterize properties gold-, melanin-, carbon-shelled demonstrate...
Abstract A photodetector (PD) converts optical signals into electrical ones and is widely used in interconnect. High‐speed PDs are high demand as they necessary to meet requirements of large‐capacity Many high‐performance with various absorption materials structures demonstrated on silicon photonics platform, including germanium (Ge) PDs, tin (GeSn) heterogeneous integrated III–V all (Si) 2D material etc. These kinds continue set new records speed open an era ultrahigh‐speed comprehensive...
The emergence of the wide-band-gap semiconductor Ga2O3 has propelled it to forefront solar blind detection activity owing its key features. Although various architectures and designs Ga2O3-based photodetectors have been proposed, their performance still falls short commercial standards. In this study, we demonstrate a method enhance simple metal-semiconductor-metal-structured photodetector by exciting acoustic surface waves. Specifically, that under bias voltage 100 mV radio frequency signal...
We describe the use of optical coherence tomography (OCT) for high-resolution, real-time imaging three-dimensional structure and development a Pseudomonas aeruginosa biofilm in standard capillary flow-cell model. As penetration depth OCT can reach several millimeters scattering samples, we are able to observe complete on all surfaces 1 mm×1 mm flow-cell. find that growing at bottom tube has more structural features including voids, outward projections, microcolonies while top is relatively...
The spectroscopic content within optical coherence tomography (OCT) data can provide a wealth of information. Spectroscopic OCT methods are frequently limited by time-frequency trade-offs that limit high spectral and spatial resolution simultaneously. We present spectral-domain microscopy performed with multimodality microscope. Restricting the extent signal using high-numerical-aperture optics makes high-resolution information accessible, facilitated detection. Simultaneous acquisition...
We experimentally demonstrate a microfiber Bragg grating force sensor with ultra-high sensitivity. The fiber (FBG) is inscribed in tapered from standard non-photosensitive single-mode by focused ion beam machining method, and has compact size (∼112 μm length). Small diameter increases the sensitivity of such when acting as force-sensing element under tensile loads. have demonstrated high ∼3146 nm/N around resonant wavelength 1538 nm, which three orders magnitude larger than FBGs untapered fibers.
Photonic chip integration would greatly benefit quantum key distribution (QKD) systems for secure communication, in terms of compactness, scalability, and well-established fabrication techniques. This study demonstrates proof concept an all-chip measurement-device-independent QKD system using integrated silicon photonic technology. The prototype generates a rate per pulse $2.923\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}6}$ over distance corresponding to 50 km standard fiber with...
Optical diagnostic imaging techniques are increasingly being used in the clinical environment, allowing for improved screening and diagnosis while minimizing number of invasive procedures. Diffuse optical tomography, example, is capable whole-breast developed as an alternative to traditional X-ray mammography. While this may eventually be a very effective method, other better suited on cellular molecular scale. Coherence Tomography (OCT), instance, high-resolution cross-sectional tissue...
Optical coherence tomography (OCT) is an emerging high-resolution real-time biomedical imaging technology that has potential as a novel investigational tool in developmental biology and functional genomics. In this study, murine embryos embryonic hearts are visualized with OCT system capable of 2-microm axial 15-microm lateral resolution acquisition rates. We present, to our knowledge, the first sets 2- 3-D images reveal internal structures mammalian (murine) embryo (E10.5) (E14.5 E17.5)...
An integrated microscope that combines different optical techniques for simultaneous imaging is demonstrated. The enables spectral-domain coherence microscopy based on backscatter, and multi-photon the detection of two-photon fluorescence second harmonic generation signals. unique configuration this allows acquisition both anatomical (structural) functional information with particular emphasis applications in fields tissue engineering cell biology. In addition, contemporary analysis...
Abstract Recently, microfiber-optic sensors with high sensitivity, fast response times, and a compact size have become an area of interest that integrates fiber optics nanotechnology. Distinct advantages optical microfiber, such as large accessible evanescent fields convenient configurability, provide attractive benefits for micro- nano-scale sensing. Here, we review the basic principles based on broad range microstructures, nanostructures, functional materials. We also introduce recent...
Metallic grating (MG) with high accuracy is fabricated on the side surface of a D-shaped fiber by using focused ion beam (FIB) machining. The obtained through polishing cladding single-mode away from one side. Then, thin-film layer gold deposited flat surface. A 38- μm-long pitch 485 nm further milled film. guiding mode and plasmon polariton are thus coupled in MG evanescent field for sensing applications. refractive indexes pure water isopropanol measured. sensitivity 917 nm/RIU obtained.
In recent years increasing demands and the relatively low-care cultivation of crop have resulted in an enormous expansion acreage maize China. However, particularly China, Fusarium ear rot forms important constraint to production. this study, we showed that members both fujikuroi species complex (FFSC) graminearum are causal agents main producing areas Fumonisin verticillioides was most prevalent species, followed by fumonisin proliferatum 15-acetyldeoxynivalenol F. . Both temperatum boothii...
Abstract In this work, based on physical vapor deposition and high-temperature annealing (HTA), the 4-inch crack-free high-quality AlN template is initialized. Benefiting from crystal recrystallization during HTA process, FWHMs of X-ray rocking curves for (002) (102) planes are encouragingly decreased to 62 282 arcsec, respectively. On such an template, ultra-thin with a thickness ~700 nm grown by MOCVD shows good quality, thus avoiding epitaxial lateral overgrowth (ELOG) process in which...
A new method based on introducing a photonic crystal fiber (PCF) in-line interferometer for hydrogen sensing is demonstrated. One end-face of the PCF and part outer-face are plated with thin palladium film by magnetron sputtering, while other end connected to optical path. Therefore, set reflection-type all-fiber sensor system accomplished. Hydrogen concentration from 0% 5% was detected in experiment related interferometric resonant wavelength-shift recorded. The maximum wavelength shift...
Although differences between independent and interdependent self-construals have been extensively investigated, few studies considered intra-cultural variability in self-construal China. In the present research, we aimed at exploring ethnic group self-construal. We first compared self-reported importance of private self, relational collective self Uyghur Han—two groups The results show that Han viewed to be less important than while exhibited a different pattern, rating as more (Study 1)....
Based on the polarization switching mechanism in an optically injected vertical cavity surface emitting laser (VCSEL), and new electro-optic modulation theory, we propose a novel approach to implement optoelectric logic gates. Here, two linearly polarized lights from output of are considered as outputs. Under modulation, one outputs is NOT operation with other one. With same input signal, perform various digital signal processing (AND, OR, XNOR, NAND, NOR XOR) optical domain, controlling...
Integrated photonic chips leverage the recent developments in integrated circuit technology, along with control and manipulation of light signals, to realize integration multiple optical components onto a single chip. By exploiting power light, offer numerous advantages over traditional electronic systems, including miniaturization, high-speed data processing improved energy efficiency. In this review, we survey current status quantum computation, neural networks realization some algorithms on chips.