Academic Background The mid-infrared spectrum range (2.5 to 20 µm) is widely used in gas detection, optical communication, high-quality imaging, bacterial research, and soil composition analysis due to its characteristic absorption peaks of many molecular bonds. Among these applications, waveguide photodetectors have become a key component in photo...
Research Background and Problem Introduction Nonlinear wave systems are core research topics in fields such as physics, optics, and condensed matter physics. However, real-world nonlinear wave systems are often subject to random noise interference, which can significantly alter the behavior of waves, such as soliton propagation, wave turbulence for...
Heat Transfer Capability Analysis of Hybrid Brinkman-Type Fluid on Horizontal Solar Collector Plate Research Background and Problem Statement With the growing global demand for clean energy, solar energy, as a renewable, clean, and low-pollution resource, has gained widespread attention. However, traditional solar collectors (such as flat-plate sol...
Propagation Properties of Partially Coherent Vortex Cosine-Hyperbolic-Gaussian Beams in Uniaxial Crystals Research Background and Problem Statement In the field of optics, the propagation characteristics of laser beams in anisotropic media (such as uniaxial crystals) have been a research hotspot. This research not only helps to understand the funda...
Research on the Design of High Gain Multi-band Circularly Polarized Bi-layered Metasurface Patch Array Antenna Academic Background and Research Motivation Terahertz (THz) band communication has received widespread attention in recent years due to its potential to expand bandwidth in wireless communication systems. However, the application of terahe...
Research Background In recent years, multiferroic nanocomposites have garnered significant attention due to their wide-ranging applications in sensors, energy storage systems, transducers, and actuators. These materials combine the advantages of polymers and ceramic matrices, such as being lightweight, easy to process, corrosion-resistant, having h...
Multi-band Reflective Metasurface for Efficient Linear and Circular Polarization Conversion Research Background and Problem Statement In modern communication, radar systems, and remote sensing technologies, the control of electromagnetic wave polarization is a key technology. By manipulating the polarization state of electromagnetic waves, signal t...
Evaluation of Spiral-Shaped Photonic Crystal Fiber’s Performance in Nonlinear Optical Applications Research Background and Problem Statement Photonic crystal fiber (Photonic Crystal Fiber, PCF) is a new type of optical waveguide with unique microstructures. The periodic arrangement of air holes within it enables it to achieve optical properties tha...
Numerical Simulation and Performance Optimization of Perovskite Solar Cells: A Study Based on Cs₂TiBr₆ Material Academic Background In recent years, perovskite solar cells (Perovskite Solar Cells, PSCs) have garnered significant attention due to their excellent optoelectronic properties. These materials possess advantages such as appropriate bandga...
Asymmetric Optical Cryptosystem Based on Coherent Superposition and Normalized Decomposition Background Introduction With the growing demand for information security, optical image encryption technology has attracted significant attention over the past three decades. This technology leverages various degrees of freedom of light (such as amplitude, ...