Photophysical and Nonlinear Optical Properties of Carmine Encapsulation Compared with Ionic Solutions and Environmental Polarity

Study on the Photophysical and Nonlinear Optical Properties of Carmine Encapsulation Background Introduction Nonlinear optical (NLO) materials have received widespread attention in recent years in fields such as laser technology, medicine, and biomedical imaging. Due to their unique optical properties, such as optical switching, optical limiting, a...

Wide-Band High-Performance Optical Modulator Based on a Stack of Graphene and h-BN Layers

Research on High-Performance Wideband Optical Modulators: Innovative Design Based on Stacked Graphene and Hexagonal Boron Nitride Structures Research Background and Problem Statement With the rapid development of optical communication technology, electro-optic modulators play a crucial role in modern telecommunication systems. However, achieving hi...

Conceptual Design of Multimode Interference-Based Photonic Crystal Mach-Zehnder Interferometer (De)Interleavers

Research Background and Problem Statement With the rapid development of modern optical communication technology, wavelength division multiplexing (WDM) systems play a core role in achieving high-capacity, multifunctional optical networks. Among these, (de)interleavers, as key components of wavelength demultiplexing structures, can efficiently separ...

UVC LED System for Prolonging the Postharvest Shelf Life of Murcotts

Academic Background Citrus fruits have long been favored by consumers for their rich nutritional value and unique flavor. However, citrus fruits are highly susceptible to diseases during postharvest storage, particularly green mold caused by Penicillium digitatum. This disease leads to fruit decay and significantly shortens storage life. Traditiona...

Structural Design of a Mid-Infrared Low-Noise Waveguide Photodetector Integrated with an Ultra-Short Waveguide Taper

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...

Analyzing Multiplicative Noise Effects on Stochastic Resonant Nonlinear Schrödinger Equation via Two Integration Algorithms

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...

Propagation Properties of Partially Coherent Vortex Cosine-Hyperbolic-Gaussian Beams in Uniaxial Crystals

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...

Comparative Analysis of Dielectric and Optoelectronic Properties in Multifunctional Nanocomposites

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

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

Evaluation of Spiral-Shaped Photonic Crystal Fiber's Performance in Nonlinear Optical Applications

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...