(PDF) Comparative study of asymmetric versus

We study the power confinement properties for symmetric as well as asymmetric waveguide structure. We conclude that higher order modes show the nonlinear

Optical waveguides based on one-dimensional organic crystals

Up to date, micro/nanoscale optical waveguide based on various solid-state materials is one of the essential components to guide light. Remarkably, organic semiconductor materials with the excellent

The influence of PT-symmetric degree on extraordinary optical

Existing studies indicated that: for the vacuum optical waveguide network, the triangular structure can produce larger PBG than other structures, which is a highly efficient optical

Optical waveguides

Planar-dielectric waveguide Compare with planar-mirror case: “Internal” solution: “External” solution, match at boundaries (homework):

Singular transmission properties of electromagnetic waves in one

In this paper, the singular transmission properties of electromagnetic waves in one-dimensional PT -symmetric triangular finite periodic optical waveguide networks are investigated.

A Two-Step Optimization Algorithm for Enhanced Sidelobe

A challenge in optical phased arrays (OPAs) is to achieve single-lobe emission using densely spaced emitters without incurring inter-waveguide optical crosstalk.

Waveguide (optics)

An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum. Common types of optical waveguides include optical fiber

Planar Waveguides – slab waveguides

A planar waveguide, also known as a slab waveguide, is a structure with a planar geometry that guides light in only one dimension. It is typically a thin, transparent

Reflectionless phenomenon in -symmetric periodic structures of one

In this paper, we construct a 𝒫 𝒯 -symmetric periodic structure with one-dimensional two-material waveguide networks and primarily investigate reflectionlessness.

Singular transmission properties of electromagnetic waves in one

We study a photonic band gap (PBG) material consisting of multiple waveguides. The multiconnected waveguides provide different paths for direct wave interference within the material.

Introduction to Optical Waveguides | Springer Nature Link

This chapter presents an introduction to the optical waveguides including planar and nonplanar structures. Additionally, an analysis of planner waveguides based on ray-optical approach

Asymmetric optical waveguide in one‐dimensional

Abstract Chiral organic materials have garnered significant interest in nanophononics due to their ability to manipulate polarized light and encode

Symmetrical Corner-Pumped Planar Waveguide Laser Amplifier

We present a novel structure of planar waveguide for Yb:YAG laser amplifiers as symmetrical corner-pumped planar waveguide, allowing large absorption length. We optimize the

Optical Waveguides: Structures, Modes, and Equations

Lecture 4: Optical waveguides Waveguide structures Waveguide modes Field equations Wave equations Guided modes in symmetric slab waveguides

Fundamentals and Design Guides for Optical Waveguides

This chapter will review fundamentals and design guides of optical waveguides, including state-of-the-art and challenges, fundamental theory and design methodology, fabrication techniques,

Lecture 4: Optical waveguides Waveguide structures

Lecture 4: Optical waveguides Waveguide structures Waveguide modes Field equations Wave equations Guided modes in symmetric slab waveguides

Extraordinary Characteristics of One-Dimensional PT-Symmetric Ring

A novel one-dimensional parity-time-symmetric periodic ring optical waveguide network (1D PTSPROWN) is constructed using magnesium fluoride (MgF2), by adjusting the length ratio of gain

Nonlinear planar asymmetrical optical waveguides for sensing

The reverse symmetry waveguide has been tested for bacterial and cell detection and it showed a considerably high sensitivity compared with the conventional waveguide sensor. We have

Extraordinary Characteristics of One-Dimensional PT

A novel one-dimensional parity-time-symmetric periodic ring optical waveguide network (1D PTSPROWN) is constructed using magnesium fluoride

Singular characteristics of one-dimensional Fibonacci optical waveguide

In this paper, the singular optical properties of the interesting one-dimensional (1D) Fibonacci optical waveguide networks composed of parity-time-symmetric (PT -symmetric) elements

Optical Waveguides: Structures, Modes, and Equations

Explore optical waveguides: structures, modes, field equations, and guided modes in symmetric slab waveguides. Ideal for photonics studies.

Design and analysis of 2D one-way splitter waveguide based on

This waveguide is constructed by removing a line of rods and repeating the defect region periodically along the planar axes of the PC.

BIC slow light waveguides based on interband coupling

Harnessing bound states in the continuum (BICs) for guiding light in leaky environments has unlocked new possibilities in photonic integrated circuits. BIC confinement enables low-loss waveguiding of

A symmetrical surface plasmon resonance sensing structure excited

A coupling testing system for the optical fiber, with the symmetrical structure excited by the stripe waveguide, was fabricated to facilitate the excitation of surface plasmon waves (SPW).

PLANAR OPTICAL WAVEGUIDES

Recent advances in opto-electronics and electro-optics have opened the infrared and visible part of the electromagnetic spectrum for communications and general data processing applications. Planar

Theoretical Modeling, Design, and Development of Integrated Planar

Planar waveguide optical sensor development has principally been driven by the need for rapid, automated devices for application in the fields of clinical diagnostics and biological detection.

PLANAR OPTICAL WAVEGUIDES

Symmetrical films constitute the special case in which the regions on both sides of the film have the same refractive index n2<n1'' which, in case of a film suspended in free space or air, reduces to n2 =1.

2.7 Waveguides and Integrated Optics

2.7 Waveguides and Integrated Optics As with electronics, miniaturization and integration of optics is desired to reduce cost while increasing functionality and reliability. One essential el-ement is the