Robust Geometrical Dimensions in Uniform Directional Couplers

In this work, we identify and analyze stationary geometrical dimensions of directional couplers that enhance tolerance to such variations. Through theoretical predictions and experimental

Introduction to the Directional Coupler for RF Applications

Introduction to the Directional Coupler for RF Applications As part of a vector network analyzer (VNA), a directional coupler enables us to characterize

Directional Coupler Design and Performance Evaluation for Wireless

Recent advancements have led to the development of various directional coupler architectures, including branch-line, Lange, and coupled-line couplers. However, each structure comes with its own

Design of All-Optical Directional Coupler Using Plasmonic MIM

The proposed 10-dB directional coupler and 3-dB directional coupler features good energy confinement, ultra-compact and low propagation loss, which has potential applications in photonic integrated

Optical Directional Couplers and their Applications

Optical directional couplers (ODCs) consist of two or more closely-located optical waveguides, whose modes can couple evanescently and thereby exchange their powers, realizing,

Optical Couplers | Springer Nature Link

Optical couplers are one of the most important classes of integrated optical components. These devices are used in directional routing of a light signal from one waveguide to another or in

Directional Couplers | Springer Nature Link

Directional couplers consist of closely neighboring waveguides, between which energy exchange can take place. Directional couplers can be applied to power splitting, to modulation or to the switching of

The Optical Directional Coupler | Springer Nature Link

This chapter presents a detailed discussion of optical directional couplers, which is one of the important components of integrated quantum photonic circuits. Coupled mode theory is used to analyze two

Implementation of all‐optical 3‐dB and 10‐dB directional coupler for

Abstract The design of an all-optical 3-dB and 10-dB directional coupler that functions as an optical switch if applied a control signal by fusing two photonic crystal waveguides with a coupling

A Review of Optical Coupler Theory, Techniques, and Applications

The objective of this paper is to provide a review of the theory, techniques, and applications of optical couplers.

Nanoscale Optical Directional Coupler

Abstract Ultracompact optical directional coupler is one of the key elements for nanoscale optical networks and highly integrated optical circuits. Although the transverse size has been reduced down

Compact Integrated Optical Directional Coupler with

Compact integrated optical directional couplers with symmetrically- and asymmetrically etched S-bend waveguides on SOI platform have been designed,

Methodology for Fabrication-Tolerant Planar Directional Couplers

A new methodology for realizing fabrication-tolerant planar directional couplers is proposed and experimentally demonstrated. Performance of power splitting and WDM couplers can

Directional Coupler

A directional coupler is defined as a device that couples only to waves traveling in a specific direction, allowing for the measurement of forward and reverse power levels in transmission

Low-Loss Silicon Directional Coupler with Arbitrary Coupling Ratios for

2 × 2 splitter meeting the essential requirements of broadband coupling, support for arbitrary coupling ratio, ultra low-loss, high fabrication tolerance, and a compact footprint. This is achieved based on a

Novel optical directional coupler based on surface plasmon polaritons

In this paper, a novel optical directional coupler based on SPPs is proposed, and the finite difference time domain (FDTD) method is used to simulate and analyze its new optical properties.

A fixed phase tunable directional coupler based on coupling tuning

In this study, we introduce a design of a TDC based on coupling constant tuning in the thin film Lithium Niobate platform and present an optimized design. Our optimized TDC design

Directional Couplers: Their Operation and Application

Ever get confused about the differences between directional, bi-directional and dual-directional couplers? Here''s everything you need to know

Optical Fiber Directional Coupler Insights

The document discusses optical directional couplers, which are fiber optic devices that combine or split an optical signal between two fiber ports. It describes how

Robust Characterization of Integrated Photonics Directional Couplers

To address these challenges, we propose a novel direct measurement technique that offers greater robustness to variations in optical interfaces, while bypassing extinction ratio

Design of All-Optical Directional Coupler Using

Request PDF | Design of All-Optical Directional Coupler Using Plasmonic MIM Waveguide for Switching Applications | In this paper, we have

Highly efficient and selective integrated directional couplers for

A compact directional coupler structure-based duplexer has been investigated, provided with the higher output power coupling ratio for combining wavelengths equal to 1530 nm and 1653.7 nm.

Fiber Directional Coupler

A fiber directional coupler is defined as an optical component that splits and combines optical signals by utilizing the interference of evanescent waves from two closely positioned fibers, enabling power

Chapter 5 The Optical Directional Coupler

Abstract This chapter presents a detailed discussion of optical directional couplers, which is one of the important components of integrated quantum photonic circuits. Coupled mode theory is used to

Design and fabrication of a photonic crystal directional coupler for

We have designed and fabricated a photonic crystal directional coupler for use as an optical switch. The design is for the SOI material system, and includes a silica overlayer and infilling of the etched

Designing Smarter Directional Couplers with Parametric

Learn how to leverage IPKISS to optimize the design of directional couplers and implement advanced parametric modeling. Introduction A directional coupler

Methodology for Fabrication-Tolerant Planar Directional Couplers

Using this approach, 2–3% index contrast waveguide couplers were fabricated and tested, demonstrating the predicted improved fabrication tolerances.

Design and modeling of a fabrication tolerant and broadband directional

We present a design for a fabrication tolerant and broadband directional coupler in photonic integrated circuits based on IMEC''s iSiPP50G silicon photonics platform. We demonstrate that such a design