Highly efficient and selective integrated directional couplers for

Its compact size and low-loss characteristics make it highly portable and well-suited for drone-based multi-gas

Fabrication tolerant planar directional couplers

A methodology for significantly improving the fabrication tolerance of planar directional couplers is therefore presented. A parametric

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

The design of an all-optical 3-dB and 10-dB directional coupler that functions as an optical switch if applied a control

Robust Characterization of Integrated Photonics Directional Couplers

Abstract Directional couplers are essential components in integrated photonics. Given their widespread use, accurate

Improving the Characteristics of Directional Microstrip Couplers Using

Comparative characteristics of calculated and fabricated C-band microstrip directional couplers on a Rogers 4003C

Low-Loss and Broadband Nonvolatile Phase-Change Directional Coupler

An optical equivalent of the field-programmable gate array (FPGA) is of great interest to large-scale photonic integrated

Optical Directional Couplers and their Applications

Optical directional couplers (ODCs) consist of two or more closely-located optical waveguides, whose modes can

Rational design of an integrated directional coupler for wideband

We show analytically that two coupled planar waveguides exhibit a maximum in the coupling strength, which ensures both wideband

Efficient design of a Thermally Tunable Directional

As seen in the previous chapter, a tunable directional coupler driven by a Transverse temperature gradient was proposed which had

Chapter 11

The optical directional coupler, analogous to the microwave elementl of the same name, consists of paral lel channel optical

Broadband and compact arbitrary ratio curved directional coupler

In order to achieve a significant optical response, we need to implement a beam splitter with large operating

Ultralow Loss Coupling Tuning of Photonic Accelerators

By leveraging the high propagation speed and inherent parallelism of light, hardware accelerators based on photonic

Fabrication Tolerant Directional Coupler

We present the design of a fabrication-tolerant directional coupler in a passive photonic integrated chip fabricated on Imec''s

Methodology for Fabrication-Tolerant Planar Directional Couplers

By putting the theory into test, we demonstrated such optimized directional couplers could be fabricated using the

Designing Smarter Directional Couplers with Parametric Models

In this tutorial, we''ll uncover the benefits of creating a parametric model for directional couplers, leveraging the advanced layout and

Optical Directional Couplers and their Applications

Qualitative Description of the Operation of Directional Couplers Marcatili''s Improved Coupled-Mode Equations

Photonic Integrated Circuits: Research Advances and Challenges in

Silicon photonics, serving as a cornerstone technology in modern information technology, demonstrates significant

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

Highly eficient and selective integrated directional couplers for

The design and fabrication of a compact, low-loss, broadband directional coupler (DC) based duplexer operating in the near-infrared

[2405.13660] A fixed phase tunable directional coupler based on

The field of photonic integrated circuits has witnessed significant progress in recent years, with a growing demand for

Methodology for Fabrication-Tolerant Planar Directional Couplers

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

Tunable Directional Couplers for High Contrast Optical Meshes

We describe the operation, design, and fabrication of MEMS-tunable silicon-photonics directional couplers, with

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

Robust Characterization of Integrated Photonics Directional Couplers

To address these challenges, we propose a novel direct measurement technique that offers greater robustness to

Ultra-broadband low-loss 2×2 MZI (Mach-Zehnder

A low-loss and broadband silicon-based thermo-optic Mach-Zehnder switch (MZS) is proposed and demonstrated with

Fabrication-tolerant directional couplers on thin-film lithium niobate

Directional couplers (DCs) are essential components in integrated photonics. A symmetric DC with a large fabrication

Design and simulation of ultra-low loss triple tapered asymmetric

Optical coherence tomography (OCT) is a promising imaging modality for clinical. Its certain limitations such as size

High-Performance 2 × 2 Bent Directional Couplers Designed With an

Directional couplers (DCs) are the basic elements for constructing various silicon photonic devices, including

Tunable silicon photonics directional coupler driven

A compact directional coupler fabricated on a silicon photonic platform is presented, with a power-splitting ratio that can be tuned

High-Power Microstrip Directional Couplers: Design and Challenges

Directional couplers are important and useful passive components in telecommunications- and other high frequency systems. This is

Robust Directional Couplers for State Manipulation in

In this work, we demonstrate high-fidelity directional couplers for single-qubit gates in photonic integrated waveguides, utilizing a

Advances in waveguide to waveguide couplers for 3D integrated

In this paper, we provide an overview and comparison of devices used for optical waveguide-to-waveguide coupling

Methodology for Fabrication-Tolerant Planar Directional Couplers

A new methodology for realizing fabrication-tolerant planar directional couplers is proposed and experimentally

Robust Geometrical Dimensions in Uniform Directional Couplers

However, fabrication tolerances, such as waveguide width, wafer height variations, and sensitivity to temperature

A fixed phase tunable directional coupler based on coupling tuning

Due to the inability of conventional tunable directional couplers (TDCs) to maintain a fixed phase while tuning the

Ultra-Broadband, Fabrication Tolerant Optical Coupler for Arbitrary

This work presents a design approach of multi-segment directional couplers with ultra-broadband flat spectra and benign fabrication

The Ultimate Guide to Directional Coupler Design

Design Considerations for Directional Couplers Before diving into the design process, it''s essential to understand the

Optical Directional Couplers | Springer Nature Link

The optical directional coupler, analogous to the microwave element1 of the same name, consists of parallel channel optical

Non-volatile programmable directional couplers for high-integration

The rapid growth of artificial intelligence creates a pressing need for high-speed, low-cost photonic computing technologies, which